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Fisher FERITSCOPE FMP30, Operator'S Manual

The Fisher FERITSCOPE FMP30 is a high-quality device widely used in non-destructive testing applications. To ensure optimal performance, it's crucial to have an Operator's Manual at your disposal. You can easily download this comprehensive manual for free from our website, empowering you to effectively utilize the FMP30's capabilities.

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Operator‘s Manual FERITSCOPE

®

 FMP30

Page 211

Glossary

ment. The measurement can be obtained as the result of a single mea-
surement or as arithmetic mean of several single measurements (e.g., 
when auto averaging mode is enabled).

Measurement accuracy  

Tolerance limits (Specification limits) Specification 

limits (LSL and USL)

Measurement block  

Block

Measurement errors

The difference between the actual and the measured value of a mea-
sured variable. For measuring instruments, there is a distinction between 
random (unpredictable) and systematic (correctable) measurement er-
rors. Random errors determine the repeatability precision. Systematic er-
rors affect the trueness and the reproducibility. Systematic errors are far 
more prevalent in practical 

-ferrite content measurement applications 

(see / 12 / for further details). Systematic errors can be traced to

1. faulty calibration, 

2. operation-related or operator-related errors, or 

3. changes in test conditions (inhomogeneities of the substrate, aging, 

etc.). Systematic errors tend to lean in one direction. With appropri-
ate care, causes 1 and 2 can usually be avoided or corrected. 
Causes of the third kind can be corrected by system checks or can 
be taken into account in the result.

Measurement Location

A limited and clearly defined point within the reference area of the spec-
imen where the 

-ferrite content is to be determined. (For detailed infor-

mation, see / 13 /.)

Measurement method

Procedures and process to obtain information about the properties of a 
measuring object. The test method is based on scientific findings and de-
pends on the application. (For further details, see / 16 /.)

Measurement probe  

Probe

Measurement Range

The range between the two limits within which a measurement is possi-
ble at a specified trueness and precision. In a narrower sense, it refers 
to the range of the scale of an analog instrument. The measurement 
range depends on the test method, the design of the probe, and the 

Summary of Contents for FERITSCOPE FMP30

Page 1: ...FERITSCOPE FMP30 Operator s Manual Coating Thickness Material Analysis Microhardness Material Testing ...

Page 2: ...y other method in full or in part or processed multi plied or distributed to third parties by electronic means without the written con sent of Helmut Fischer GmbH Subject to correction and technical changes FERITSCOPE is a registered trade mark of the Helmut Fischer GmbH Institut für Elektronik und Messtechnik in Germany and or other countries Bluetooth is a registered trade mark of the Bluetooth ...

Page 3: ... the Base and the Calibration Standards 4 1 8 Instrument Repairs 5 1 9 Warranty 5 1 10 Limitation of liability 6 1 11 CE marking 6 2 Description of the Instrument 7 2 1 Display 8 2 2 Control Panel Key Functions 10 2 3 Accessories 15 2 4 Technical Data 18 2 5 Contents of Shipment and Options 19 3 System Setup Maintenance and Cleaning 21 3 1 Voltage supply 22 3 2 Connecting Probes 25 3 3 Instrument ...

Page 4: ...3 Corrective Calibration 64 6 4 Master Calibration 70 6 5 Determination of the Normalized Countrate Xn of a Calibration Standard During a Master Calibration 79 7 Measuring 80 7 1 Preparing for a Measurement 80 7 2 Parameters That Influence the Ferrite Content Measurement 81 7 3 Making a Measurement 85 7 4 Checking the Current Calibration State 94 7 5 Documenting the Measurement with a Printer 99 7...

Page 5: ...141 10 Instrument Settings Service Function Menu 142 10 1 Service Menu Overview 143 10 2 System 144 10 3 Evaluation 154 10 4 USB 156 10 5 Printing 160 10 6 Device Mode 166 10 7 Measurement 173 10 8 Storage Mode 184 10 9 Performing a Master Calibration 184 10 10 About 185 10 11 Documentation of the Instrument Configuration 185 11 Malfunctions and Messages 187 11 1 Malfunctions 187 11 2 Messages on ...

Page 6: ... instrument Indicates safety information referring to danger for persons and warnings regarding damage to the measuring instrument or to accessories Indicates particularly important information and hints Indicates a reference to a page or chapter in this manual 1 Operation to be carried out by the operator at the instrument Listing ENTER Writing convention for instrument keys and command buttons o...

Page 7: ...magnetic compat ibility of instruments 2014 30 EC The measured values are not influ enced by the highest level of interference mentioned in the EN 61000 6 2 Standard which references the Standards EN 61000 4 2 EN 61000 4 3 and EN 61000 4 4 In particular the instrument is shielded effectively from strong electromag netic fields e g motors power lines radio transmission towers Low Voltage The instru...

Page 8: ...in particular the AC adapter must not come in direct contact with water Risk of electrical shorts Instruments or accessories may be operated kept or stored only in places where the relative humidity is between 30 and 90 non condensing Because the instrument and accessories are not acid resistant avoid direct contact with acid or acidic liquids The instrument and accessories are not suited for oper...

Page 9: ...d calibration standards Proper condition of the calibration standards is an important prerequisite To avoid breakage of the wiring do not bend the probe connector cable The radius of rolled up probe connector cables should always be at least 50 mm Place the probes speedily yet gently on the specimen surface Avoid hard impacts Do not drag the probe across the specimen surface Do not place standard ...

Page 10: ...r handling of instrument or accessories e g use in explosion hazard or very hot environments Disregard of information in this operator s manual To keep wear of the base and the calibration standards during the con tacting measurements to a minimum use them for the calibration only and not for test measurements Do not soil or scratch calibration standards Replace corroded or scratched calibration s...

Page 11: ...oes not accept any loyalty and responsibility for conclusions drawn from measurements of the electrical conductivity in direct measurement and the interpretation of the measurement results Only continuous monitoring of the measurement devices by the user can guarantee the continued correctness of measurement readings The instru ment manufacturer accepts no liability and responsibility for subseque...

Page 12: ...ng functions Page 10 4 USB port for connecting a printer and a PC 5 ON OFF key to turn the instrument on or off Page 28 6 Connector socket for the AC adapter included 7 Cover additional function keys can be found under the cover Page 10 8 Instrument name 9 Non slip rubber supports 10 Foldable instrument stand 11 Battery compartment Page 23 12 Option Bluetooth module or option COM module mounted in...

Page 13: ...nce limits are enabled beginning on Page 91 Padlock Restricted operating mode is enabled i e the keys MENU ZERO and CAL are not active the service func tions cannot be retrieved applications cannot be deleted beginning on Page 166 Arrow circle Free running display is enabled measurements are dis played continuously when the probe is placed on the specimen beginning on Page 105 Alternatively Area m...

Page 14: ...ed below a minimum value beginning on Page 22 Hourglass Measurements are currently not possible because an in strument internal routine is running Chain Applications that have been set up using the same probe are linked to each other i e the same normaliza tion and or corrective calibration is used for determining the measurements for these Applications beginning on Page 56 Sheets Matrix measuring...

Page 15: ...etes the readings of the open block in succession 2 x DEL Deletes all readings during normalization 1x DEL Deletes the last reading 2x DEL Deletes the measurement series of the base material during calibration 1x DEL Deletes the last reading 2x DEL Deletes the measurement series of the current calibra tion standard Repeated pressing of DEL Deletes the measurement series of the previous calibration...

Page 16: ...urement screen without deleting the stored values the current measure ment block will not be closed and then DEL Ends the display of the final result return to the measurement screen and deletes the values stored in the open Application during calibration or normalization Enabling and disabling the free running display mode dis play of the normalized countrates of the readings readings will not be...

Page 17: ... Prints the displayed block result and then MENU Displays the single readings of the evaluated measurement data block then all single readings can be displayed by pressing or Pressing MENU again ends the single reading display and then DEL Deletes the readings of the last measurement data block that has not been concluded and ends the display of the block result re turn to the measurement screen a...

Page 18: ... running display mode on off With Application selection and tolerance limit input Changes the information displayed on the display With the calibration Sets the target value of the used calibration standard that will be displayed after the CAL Target notifica tion With parameter selection Selects the desired parameters The display will change faster if is pressed for longer than 3 seconds APPL No ...

Page 19: ...setting to be edited and then DEL Exits the application specific settings and returns to the measure ment screen PRINT Output of the values stored in the selected application including the block results to a printer or transfer of these values to a con nected computer ENTER Confirms entries 5 x ENTER Calls the service functions The instrument settings in the Service Functions menu are pass word pr...

Page 20: ...ts You can obtain this data sheets from FISCHER or from your authorized supplier All probes that can be connected to the instrument are equipped with a memory chip a so called EEPROM in their connector plug Probe specific information such as probe type production number measurement method or coefficients of the master characteristic for example is stored permanently even without power supply in th...

Page 21: ...ple You can obtain information about available single calibration standards and a calibration standard set from FISCHER or from your authorized sup plier The measurements for the corrective calibration must be performed on the base and on the calibration standard Measurements on the plastic sur rounding the base or calibration standard will lead to erroneous measure ments The measurements for the ...

Page 22: ... with a valid certificate 2 3 3 Printer For an overview of printers suitable to be connected to the instrument see the menu Service Functions PRINT Chapter 10 5 1 Printer Selection beginning on Page 160 The certificate includes information about warranties and monitoring of the test devices For information about operation maintenance and care of the printer con sult the instruction manual of the p...

Page 23: ...to operate Permissible ambient temperature during operation 10 C 40 C Permissible storage temperature 5 C 60 C Permissible relative air humidity 30 90 non condensing Power supply 4 x 1 5 V batteries with about 50 h service life Size AA or Mignon or 4 x 1 5 V NiMH rechargeable batteries with about 45 h service life at 2100 mAh Size AA or Mignon AC adapter 9 V 150 mA 100V 230 V Power consumption 0 3...

Page 24: ... of the standard content of the shipment and all ordered options are present Notify your authorized supplier or FISCHER if this is not the case 2 5 1 Standard Contents of Shipment of the Instrument The standard contents of shipment of the instrument includes Instrument Batteries Interface cable FMP PC Carrying and storage case carrying strap CD ROM with operator s manual and USB drivers Brief guid...

Page 25: ... V NiMh rechargeable battery 4 each unit Charger for NiMh battery Support stand V12 for reproducible positioning of measurement probes on the specimen Jig for angle probes for use in the support stand V12 e g for probe FGABW 1 3 Jig for inside probes for use in the support stand V12 e g for probe FGABI 1 3 150 mm Support stand V12 MOT for motor controlled touch down and lift off of measurement pro...

Page 26: ...sired to the instrument 9 Data Transfer beginning on Page 131 Selecting the language for the instrument if your language has not been set when the instrument was shipped 10 2 1 Language beginning on Page 144 Connect or disconnect plug type connectors only when the instru ment is switched off in order to avoid electrical discharge Connect ing the AC adapter or inserting a battery should be done car...

Page 27: ...n 3 1 1 Power Connection To connect the instrument to the line voltage via the AC adapter the AC adapter must be connected to the instrument and to the line power outlet The instrument must be switched off for this purpose To avoid damage to the instrument or wrong measurement results due to a wrong line voltage the instruments must be connected to a power outlet only via the AC adapter provided b...

Page 28: ...ver 3 If old batteries are in the instrument remove them from the unit Oth erwise install new batteries directly observe the correct polarity of the batteries Indicator for battery replacement Batteries or rechargeable batteries should be replaced If the battery voltage is too low the instrument will turn off automatically Disposal Do not dispose of batteries with regular household waste Place dam...

Page 29: ...closing the battery compartment cover Use only type MIGNON 1 5 V LR6 AA AM3 MN1500 batteries or 4 individual rechargeable batteries NiMH 1 2 V HR6 Type AA Using other batteries may lead to instrument damage Use only non damaged batteries rechargeable batteries LR6 1 5V LR6 1 5V LR6 1 5V LR6 1 5V Observe the correct polarity when in stalling the batter ies ...

Page 30: ...the probe connector socket of the instrument Connect probes only when the instrument is off To turn the instrument off Press the ON OFF key on the right side of the control panel The display is not backlit and no characters are visible Protect the instrument and accessories from electrostatic charges Electrical discharges may damage internal components or delete internal memories Such discharges m...

Page 31: ...turning of the probe plug When inserting the plug ensure that the key of the plug fits into the groove of the socket Otherwise an erroneous connection between the instrument and the plug may occur or the contact pins of the probe plug may be damaged To avoid damage to the contact pins of the probe plug only the knurled nut may be turned The probe plug must not be turned in the connector socket Gro...

Page 32: ...ot recognize the connected probe In such a case A new Application must be set up for the connected probe 5 1 Setting Up an Application beginning on Page 37 and or The probe must be assigned to the instrument or to the respective Appli cation respectively 4 2 Assigning a New Probe beginning on Page 35 or The probe that has been linked to the respective Application thus far must be reconnected A new...

Page 33: ...t beginning on Page 52 To avoid erroneous readings no metallic objects must be in close proximity to the probe tip when powering up the instrument The minimum distance is 25 mm Unit Explanation Fe or M ferrite content in ferrite percent or Martensit content FN ferrite content in ferrite numbers If Ferrite flashes on the display an Application has not yet been set up using the connected probe It is...

Page 34: ...will sound A monitoring routine will run At the end of the monitoring routine the Ap plication that was used the last time to make measurements with the connected probe will open automatically and the instrument is ready to make measurements The last reading of the last not closed block appears M or FN Unit of measurement for the displayed read ing Setting 10 7 5 Unit beginning on Page 179 Appl No...

Page 35: ...n Page 184 A designation in this case sheet has been assigned to the open Application 5 5 Assigning Application Designations beginning on Page 44 Once a designation has been assigned to an Application it appears in the information lines of the display where ap plicable alternating with the Application number The tolerance limits are enabled in the open Applica tion 5 6 1 Tolerance Limits beginning...

Page 36: ... 7 7 Measurements in the Free Running Display Mode beginning on Page 105 and 10 6 2 Analog Dis play beginning on Page 168 10 00 11 00 Limits of the analog display example Matrix measuring mode is enabled 7 8 Measurements in Standard and Matrix Measur ing Mode beginning on Page 110 and 10 6 3 Matrix Mode beginning on Page 169 Matrix measuring mode is enabled 7 8 Measurements in Standard and Matrix ...

Page 37: ...be is connected to the instrument if the probe is not connected properly or if the connected probe is defective It is not possible to make measurements without a connect ed probe 3 2 Connecting Probes beginning on Page 25 This warning appears briefly after power up if a probe oth er than the last one used is connected to the instrument 4 2 Assigning a New Probe beginning on Page 35 The current App...

Page 38: ...ds must not enter the instrument or the accessories Do not immerse or place the instrument or accessories into liquids to loosen dirt through soaking Do not pour liquids of the instrument or accessories Wipe off dirt immediately to avoid it from drying onto the surface Do not use aggressive agents to clean the instrument or the accessories because they could attack the plastic housing To prevent d...

Page 39: ... to the specimen surface such that the sleeve rests on the specimen center and bottom Figure right With the default setting a beep will signal the measurement capture Lift the probe off the specimen before making the next measurement Avoid hard impacts Do not allow the probe to hover directly above the surface Doing so will lead to erroneous readings Do not bend the probe connector cable Doing so ...

Page 40: ...not yet been assigned If a user has more than one probe of the same probe model a problem occurs if a not yet assigned probe is connected to the instrument In such a case it is advisable to identify the probes and or instruments with numbers If the measurements of an opened Application have not been made with the connected probe Ferrite will flash on the display How to assign a probe to an Applica...

Page 41: ...robe will not be assigned mea surement method display flashes 5 DEL DEL Probe will be assigned to all Applica tions ENTER The probe will be assigned only to the current Application 6 DEL DEL All stored readings will be deleted the probe will be assigned to the current Application all Applications ENTER The probe will not be assigned measurement method display continues to flash 7 ZERO appears on t...

Page 42: ...n Application A probe must be connected and an application must be set up before mea surements can be made in an Application Once the linking mode is enabled indicated by on the display an automatic check will be carried out to see whether one or more Appli cations have already been set up with the connected probe If this is the case no normalization is required when setting up the Application In ...

Page 43: ...PPL No to start the selection of the Application Appl Application number sheet Assigned Application designa tion Example appears only if an Applica tion designation has been assigned 5 5 Assigning Application Designa tions beginning on Page 44 If an Appli cation designation has not been assigned the following will appear immediately on the display APPL No Use APPL No to start or continue the selec...

Page 44: ...ys to select the unit Fe The ferrite content will be mea sured in ferrite percent FN The ferrite content will be measured in ferrite numbers OK ENTER Use ENTER to confirm the selection ENTER Use ENTER to start setting up the Applica tion ZERO appears on the display Base material Fe The measurements for the normalization should be made on base ENTER Cancels the normalization Performing the normaliz...

Page 45: ...ation using the connected probe 5 3 Deleting an Application beginning on Page 41 Connecting a probe that has already been used to set up an Applica tion 3 2 Connecting Probes beginning on Page 25 Procedure Selecting an Application If Ferrite flashes on the Display after instrument power up or after selecting an Application an Application has not yet been set up using the connected probe It is not ...

Page 46: ... Applications 10 6 1 Restricted Operating Mode beginning on Page 166 When deleting an Application all readings as well as the normaliza tion and corrective calibration coefficients stored in the Application will be deleted Thus this Application memory is free for a new mea suring application Key sequ Action Detail of the display Explanation APPL No Use APPL No to start the selection of the Applica...

Page 47: ...equ Action Detail of the display Explanation APPL No Use APPL No to start the selection of the Application sheet Assigned Application designation Example appears only if an Application designation has been assigned 5 5 Assigning Application Designa tions beginning on Page 44 If an Appli cation designation has not been assigned the following will appear immediately on the display Appl Application n...

Page 48: ...ge 40 or to set up a new Ap plication Page 37 FISCHER FERIT SCOPE FMP30 Instrument type 2008 07 23 Current date 0 1 2 1st column Number of the Application sheet face Application designation appears only if an Applica tion designation has been assigned Page 44 FGAB1 3Fe Short form designation for the probe that has been used to set up the Application Fe Unit Fe or FN Key sequ Action Detail of the d...

Page 49: ...ly only to the settings of the open Application i e they are Application specific Settings that are entered after pressing the MENU key Measurement variable measurement value in Fe or FN or as count rate Page 53 Unit Page 179 Displaying the Martensit content Page 52 After pressing the MENU key the following application specific settings can be made 2008 07 23 End of block Date of the last block cl...

Page 50: ...ge 49 Outlier rejection Page 50 Unit switching between the unit Fe and M Page 52 Offset entering a correction value Page 52 Pressing ENTER confirms the selection Pressing DEL or performing a measurement exits the MENU As long as the restricted operating mode is enabled indicated by on the display the MENU key will not be enabled i e it is not pos sible to modify these application specific settings...

Page 51: ...ow keys to select limits on or to deactivate the tolerance limits Select lim its off ENTER Use ENTER to confirm the value for the lower specification limit or specify a new lower limit by pressing or ENTER or Use ENTER to confirm the value for the up per specification limit or specify a new upper limit by pressing or It is also possible to set the upper and lower specification limits by making a m...

Page 52: ...r specification limits are mixed up when entering the settings the instrument will automatically select the lower values as the low er specification limit and the higher value as the upper specification limit As long as the tolerance limits are enabled will appear on the display ...

Page 53: ... 0 999 1 0 9 99 10 99 99 100 999 9 1000 9999 low 0 9 9 9 99 999 9999 medium 0 99 9 9 99 9 999 9999 high 999 9 99 99 99 999 9 9999 Key sequ Action Detail of the display Explanation MENU Use MENU to start Settings and select Disp resolution using the arrow key ENTER or Use ENTER to confirm the selection Disp resolution Use the arrow keys or to select the de sired resolution ENTER Press ENTER to conf...

Page 54: ...ail of the display Explanation MENU Use MENU to start Settings Press the arrow key until Block size is highlighted ENTER Use ENTER to confirm the selection Block size or To activate Block size Use the arrow keys to select Automatic block result on or to deactivate block size select Automatic block result off ENTER Press DEL to delete the readings of the open Application If measurements have alread...

Page 55: ...n audible signal 7 3 7 Measurements With Outlier Rejection Enabled beginning on Page 93 The following methods are available for the outlier rejection function Grubbs Test Glossary Specification of a known spread Sigma Glossary or Use the arrow keys to set the desired block size ENTER Press ENTER to confirm the selection and return to the menu to enter additional set tings Press DEL to return to th...

Page 56: ...ion Select Outlier Reject off ENTER Use ENTER to confirm the method Auto matic or Press the arrow key to specify the meth od Sigma Press the arrow keys to set the desired Sig ma value ENTER Press ENTER to confirm the selection entry and return to the menu to enter additional settings Press DEL to return to the measurement screen The instrument is ready to make measure ments Key sequ Action Detail ...

Page 57: ... always subtracted from the measured value A positive Offset value de creases the displayed value a negative Offset value increases the dis played value Key sequ Action Detail of display Explanation MENU Use MENU to start Settings Press the arrow key until Unit is high lighted on the display ENTER Use ENTER to confirm the selection Unit or Use ENTER to confirm the unit Fe or Press the arrow key to...

Page 58: ...errite percent or in ferrite numbers normalized countrate X Countrate X Fe FN and Xs Xn and Xs Key sequ Action Detail of display Explanation MENU Use MENU to start Settings Press the arrow key until Offset is highlighted on the display ENTER Use ENTER to confirm the selection Off set or Press the arrow keys to set the desired Off set value ENTER Press ENTER to confirm the selection entry and retur...

Page 59: ...in the open Application will appear because it is not possible to evaluate different types of measured vari ables statistically This prevents erroneous interpretations of the mea surement results Measurement program Detail of the display Explanation ferrite con tent or FN ferrite content display in Ferrite percent FN Ferrite numbers The ferrite content will be displayed in Fe or FN corresponding t...

Page 60: ...t and saturation countrate Xs countrate for probe in air The ferrite content will be displayed in or FN corresponding to the set unit 10 7 5 Xn and Xs Displays the normalized countrate Xn of the measured value and the saturation coun trate Xs Measurement program Detail of the display Explanation ...

Page 61: ... every time 5 7 1 Application Linking Procedure 1 Enable the instrument function Linking mode 10 6 4 Linking Applications beginning on Page 172 2 Perform a normalization to set up all Applications to be linked The measurement probe is assigned to the Application 5 1 Setting Up an Application beginning on Page 37 3 Perform a careful normalization or calibration on a typical uncoated component 6 2 N...

Page 62: ...led will appear on the display After disabling the linking mode all Applications will again be inde pendent of each other Each Application can again be normalized and or calibrated sepa rately 1 Appl 1 Application number Readings are shown in ferrite percent 3 Serial number of the probe 2 Probe model of the probe that has been used to set up this Application 4 Norm1 Normalization 1 Cal 1 Correctiv...

Page 63: ...Page 58 Operator s Manual FERITSCOPE FMP30 Applications Fig 5 3 Example for linking of applications ...

Page 64: ...use no other Application has been set up with the FGABI1 3_150FE probe serial number 303 After the corrective calibration of Application 6 Because Applications 4 and 6 are linked with each other after the corrective calibration of Application 6 the new corrective calibration Norm 6n Cal 6n grayed out in Fig 5 3 will be stored in Applica tion 4 as well The previous normalization and corrective cali...

Page 65: ...an increased scatter of the readings on a specimen with a homogeneous ferrite content distribu tion e g a calibration standard cannot be corrected In such a case the probe must be sent to your authorized distributor or directly to FISCHER for repair 6 1 Information Regarding Normalization Calibration and Master Calibration The information in Chapter 1 Safety Information beginning on Page 1 should ...

Page 66: ...s are not affected The coefficients of the master characteristic stored in the EEPROM of the probe plug are also not affected However if the linking mode is enabled on the display the normalization and the corrective calibration affect all Applications that are linked with the open Application With external start enabled a measurement acquisition can be trig gered during a normalization or calibra...

Page 67: ...al of the calibration standard set Cancel ENTER Using ENTER cancels the normalization Base Make about 5 measurements at different lo cations of the base The mean value of all readings obtained for the normalization will be displayed Delete DEL Use DEL to delete the last measurement 2x DEL to delete all read ings obtained for the normalization OK ENTER Using ENTER ends the nor malization ENTER A co...

Page 68: ...characteristic will be computed au tomatically and stored The instrument is again ready to make measurements 2 1 Display beginning on Page 8 FISCHER FERIT SCOPE FMP30 Instrument type 2008 07 23 Current date NORMALIZATION Normalization will be documented Date Time Date and time of the normalization Appl No Number of the Application Probe Probe that has been used to perform the normalization Fe Appl...

Page 69: ...rrective calibration in the desired measurement range 6 3 1 Selecting the Calibration Standards for the Corrective Calibration Calibration standards are suitable for corrective calibrations only if their normalized countrates Xn are between the following Xn ranges The normalized countrate Xn of the first calibration standard must be between 0 02 and 0 9 0 02 Xn calibration standard 1 0 9 The norma...

Page 70: ...de on base Delete cal DEL Using DEL deletes the corrective calibration Page 68 Skip ENTER Using ENTER skips the normalization the stored normalization is retained unchanged Cancel CAL Using CAL cancels the cor rective calibration the stored corrective cal ibration is retained unchanged Base Make about 5 measurements at different lo cations of the base Delete DEL Use DEL to delete the last measurem...

Page 71: ...ancels the calibration procedure Calibration standard Make about 5 measurements at different lo cations of the calibration standard Displayed is the mean value of all measure ments performed for this step Delete DEL Use DEL to delete the last measurement 2x DEL to delete all read ings obtained for the calibration OK ENTER Use ENTER to end the cur rent calibration step ENTER If a corrective calibra...

Page 72: ...ation stan dards o if the deviations are unacceptable again a master calibration must be performed ENTER A confirmation indicating that the corrective calibration has been carried out successful ly appears Pressing ENTER confirms the message PRINT A print form of the corrective cali bration will be printed if a printer is con nected and switched on Page 69 ENTER The new characteristic will be comp...

Page 73: ...ve calibrations of all Applications that are linked with the open Application will be deleted Key sequ Action Detail of the display Explanation CAL Use CAL to start the corrective calibration of the open Application Delete cal DEL Using DEL deletes the corrective calibration Cancel CAL Using CAL cancels the cor rective calibration the stored corrective cal ibration is retained unchanged DEL Yes DE...

Page 74: ...has been used to perform the calibration Fe Applied measurement method Fe Confirmed rated value for the ferrite content of the cali bration standards fe Mean value of all readings obtained for this step of the calibration s Standard deviation of the readings obtained for this step of the calibration Measurements on Base Measurements on Calibration stan dard 1 Measurements on Calibration stan dard ...

Page 75: ...alibration in the manner described be low he can overwrite or even deleted this calibration if needed 5 calibration standards are required to set up a user master calibration They are part of the optional probe specific master calibration standard set The Xn values of one of these calibration standards must be within the pre scribed Xn range of the master calibration for all 4 Xn ranges to be occu...

Page 76: ...on applies to all Applications that have been set up with the same probe that has been used for the master calibration because the coefficients have been stored in the probe plug of the EEPROM This applies to both an enabled and a disabled linking mode After a master calibration is completed the normalizations and correc tive calibrations of all Applications that have been set up with the same pro...

Page 77: ...sent to your authorized distributor or directly to FISCHER for repair During the master calibration the master characteristic can be determined only if suitable calibration standards are used The calibration standards are suited for the master calibration only if their normalized countrates Xn are within pre established Xn ranges The limits of the Xn ranges can be queried during the master calibra...

Page 78: ... on base MCL Delete DEL Use DEL to delete an existing master calibration appears only if a master calibration has already been per formed Use CAL if you do not wish to de lete the master calibration Cancel CAL Use CAL to cancel the master calibration If you press DEL again after deleting the master calibration in order to exit the menu subsequent measurements will be made with the factory master c...

Page 79: ...zation The previous nor malization will be overwritten ENTER Entry Use the arrow keys to set the rated ferrite content value of the calibra tion standard The rated value can be set faster if a mea surement is performed on the calibration standard and then the rated value is correct ed using the arrow keys CAL rat 1 680 Display of the set rated value for the ferrite content of the calibra tion stan...

Page 80: ...correct ed using the arrow keys or This step is not required if the rated value for the ferrite content coincides with the stored displayed value OK ENTER Using ENTER ends the cur rent calibration step ENTER Proceed with calibration standard 2 in the same as described for calibration standard 1 The same for all subsequent calibration steps ENTER After the last calibration step has been con cluded ...

Page 81: ...ted for the master calibration only if their normalized countrates Xn are within pre established Xn ranges They can be queried during the master calibration without affecting the calibration Please note the information regarding the number of calibration standards under 6 4 on Page 70 Key sequ Action Detail of the display Explanation 5 x ENTER 2 x Retrieve the master calibration from the Ser vice ...

Page 82: ...calibration standard 3 0 5000 Xn 0 0000 BLOCK RES Use BLOCK RES to display the Xn range for calibration standard 4 0 8000 Xn 0 9900 BLOCK RES Use BLOCK RES to end the display of the Xn range It is now possible to continue the master cal ibration Or Press CAL DEL to return to the mea suring mode Key sequ Action Detail of the display Explanation ...

Page 83: ...ion Fe Applied measurement method Fe Confirmed rated value for the ferrite content of the cali bration standards Measurements on uncoated specimen base material Measurements on Master calibration standard 1 Measurements on Master calibration standard 2 Measurements on Master calibration standard 3 Measurements on Master calibration standard 4 FISCHER FERITSCOPE FMP30 23 07 08 MASTER CALIBRATION 23...

Page 84: ...tion if external start is enabled is not possible to determine the normal ized countrate if external start is enabled during a calibration Key sequ Action Detail of the display Explanation FINAL RES Retrieve the master calibration from the Ser vice functions menu and use ENTER to start the procedure Relevant explanations beginning on Page 72 Press FINAL RES to start the procedure Calibration stan ...

Page 85: ... or grease and are not damaged Carrying Out the System Setup Page 21 Connecting a printer and if applicable switching it on if a printer is available and a printout is desired Switching on the instrument Page 29 Selecting an Application that is suitable for the specimen beginning on Page 37 Determining the instrument configuration beginning on Page 142 Determining the application specific settings...

Page 86: ...6 Specimen thickness The influence takes effect from a specimen thickness less than 2 mm 0 08 As a general rule The measured ferrite content deviates increasingly from the actual true ferrite content as the specimen thickness decreases Cladding thickness The influence takes effect from a cladding thickness less than 2 mm 0 08 As a general rule The measured ferrite content deviates increasingly fro...

Page 87: ...elatively small for ferrite contents of 10 Fe It rises with an increasing ferrite content and can be reduced best by combining a sufficient number of single readings to one meaningful mean value For very low ferrite contents in particular the influence of the thickness should be determined specific to the measurement application ...

Page 88: ...30 40 50 60 70 80 90 100 1 0 1 2 1 4 1 6 1 8 2 0 2 2 2 4 Durchmesser konvex mm 2 3 5 7 10 15 20 30 50 75 100 Korrekturwert k verfälschter Messwert FN measured value FN Fig 7 1 Correction values for values with measurement unit FN measured on specimens with different convex curvature diameters Correction value Diameter convex mm ...

Page 89: ...70 80 90 100 1 0 1 2 1 4 1 6 1 8 2 0 2 2 2 4 Durchmesser konvex mm 2 3 5 7 10 15 20 30 50 75 100 Korrekturwert k verfälschter Messwert Fe gemessener Messwert Fe Abb 7 2 Correction values for values with measurement unit Fe measured on specimens with different convex curvature diameters measured value Fe Diameter convex mm Correction value ...

Page 90: ...make measurements Observe the following during the measurement Measurements should be made within the reference area To avoid erroneous readings do not allow the probe to hover above the specimen To obtain a correct air value the distance to the specimen should be at least 25 mm To allow sufficient time for a measurement accept the time between individual measurements must be greater than 0 5 seco...

Page 91: ...easurement Ac quisition beginning on Page 90 With the free running display mode on measurement acquisition can be triggered in the following manner 7 7 Measurements in the Free Run ning Display Mode beginning on Page 105 Pressing the ENTER key Transmitting one of the ASCII characters G0 ES EN or Transmitting the control character ESC via the interface port ESC ASCII27 9 5 2 Control Commands beginn...

Page 92: ...can be triggered manually in the following ways once the probe is positioned on the mea surement location Press the key not with a normalization or calibration Press the FINAL RES key only during a normalization or calibration Transmitting the ES command via the interface port 9 5 2 Control Commands beginning on Page 136 7 3 3 Automatic Measurement Acquisition A description of the two acquisition ...

Page 93: ...om the menu Service Functions Measurement Measur ing Mode 10 7 4 Measuring Mode Standard Area Measurement Automatic Measurement beginning on Page 177 and place the probe on the specimen The displays the symbol for as long as the probe is on the specimen In addition an audible signal sounds when the probe is placed on the specimen Move the probe with a slight and uniform pressure across the specime...

Page 94: ...il of the display Explanation Switch Autom Measurement on from the menu Service functions Measurement Measuring Mode and select the desired number of measurements and the time inter val of the measurements 10 7 4 Measuring Mode Standard Area Measurement Automatic Measure ment beginning on Page 177 Place the probe on the specimen The dis plays the symbol for as long as the probe is on the specimen ...

Page 95: ...d followed by two short signals for exceeding the upper specification limit and one finally a long signal indicating the end of the block As an option the measurement acquisition signal can be disabled 10 7 1 Audible Signal beginning on Page 173 The other audible signals cannot be disabled Signal Meaning 1 x short Measurement below lower specification limit 7 3 5 Measurements With Tolerance Limits...

Page 96: ...with a fixed block size the block creation is carried out automatically after an adjustable num ber of measurements has been performed by the instrument Setting the Block Size Page 49 appears on the display after the last measurement of the block has been taken and As long as the tolerance limits are enabled will appear on the dis play Detail of the display Explanation After a measurement is taken...

Page 97: ...ng will ap pear on the display Appl Application number Fe Displays ferrite contents in ferrite percent measured variable of the open Ap plication 10 7 6 Measured Variable beginning on Page 180 Blck Number of the current block n Number of the measurements block size stored in the Application Perform the number of measurements re quired for an automatic block closure Block is closed no more measure ...

Page 98: ...r measurements will sound if the measurement acquisition signal has been disabled outlier measurements recognized in the auto averaging mode will not be integrated in the measurement calculation and only the audible signals indicating an outlier measurement will sound when an outlier is recognized a violation f the tolerance limits will not be indicated Detail of the display Explanation and will a...

Page 99: ...t system The result of the check applies only to the open application file and its measuring appli cation If a corrective calibration is saved in the open application file the check must be carried out under the same conditions under which the corrective calibration was carried out For example at the same tem perature with the same standard etc The determined measurement uncertainty only applies t...

Page 100: ...nty of the standards used To improve the cali bration accuracy you must use standards with smaller measurement uncertainties for the corrective calibration Operating temperature of the instrument Before a control measurement is carried out the instrument with connected probe must have been switched on for at least 10 minutes This is necessary to ensure that all components in the unit have reached ...

Page 101: ...d ENTER Use ENTER to confirm the entry or Select the form in which the specification of the measurement uncertainty for the used standard is available Tolerance Unit A tolerance is specified for the used standard Example 2 66 FN 0 4 FN rel Tolerance A percentage tolerance is specified for the standard Example 2 66 FN 5 U k 2 Unit An extended measurement uncertainty is specified for the used stan d...

Page 102: ...AL Using CAL cancels the CAL check function ENTER Use ENTER to end the control measurement The result of the check appears in the dis play OK ENTER Use ENTER to finish the CAL Check function and return to the measuring mode The instrument is ready for measure ments Info FINAL RES Use FINAL RES to open the test result display of the check measure ment Remeasure DEL Use DEL to repeat the CAL check f...

Page 103: ... measurement and the specified measurement uncertainty of the standard used for management into account Test val E Ratio of difference to mea surement uncertainty k 2 E 1 The measurement accuracy for the opened application file is ok for this stan dard and cannot be further improved by this standard E 1 The mean value of the control mea surement has an excessive deviation to the nominal value of t...

Page 104: ...e limits are enabled when making measurements the readings will be entered between or next to the tolerance limits on the printout Fig 7 6 Fig 7 6 Printout of the reading with tolerance limits example For measurements in auto averaging mode only the mean value computed from the single readings will be printed and stored The individual readings are not stored Application No 3 Block No 1 n 1 fe 10 8...

Page 105: ...ISCHER FERITSCOPE FMP30 24 07 08 Appl No 0 Block result Block No 1 24 07 08 22 05 Mean value fe 8 89 4 04 Std dev s 3 25 n 5 C O V 36 58 lowest meas 3 07 highest meas 10 36 1 values LSL 10 20 20 00 0 values USL 10 80 0 00 Application No 0 Block No 2 n LSL USL 10 2 10 8 1 10 3 2 10 4 3 10 4 4 10 2 5 10 2 FISCHER FERITSCOPE FMP30 24 07 08 Appl No 0 Block result Block No 2 24 07 08 22 05 Mean value f...

Page 106: ...he Application Block No Number of the open measurement block n Consecutive number of the reading fe Measured value of the ferrite content LSL USL Upper lower specification limit Reading is within the tolerance limits Reading violates the tolerance limits fe Mean value of all readings obtained for this step of the cal ibration s Standard deviation of the readings obtained for this step of the calib...

Page 107: ...lock in suc cession 7 6 2 Deleting All Readings of a Block That Has Not Been Closed Pressing DEL during an evaluation of an open block will delete all readings that are stored in the open block that has not been closed 8 1 Evaluation of the Current Block Block Result beginning on Page 118 7 6 3 Deleting All Readings of an Application All readings stored in the open application can be deleted compl...

Page 108: ...a even if outlier rejection is enabled Key sequ Action Detail of the display Explanation BLOCK RES Use BLOCK RES to start the evaluation of the open block 8 1 Evaluation of the Current Block Block Result beginning on Page 118 Blck Number of the current block n Number of readings stored in the cur rent block DATE and TIME display fe Displays the mean value of the current block s Standard deviation ...

Page 109: ...Use DEL to delete the reading remeasure Prompt to make a new mea surement Cancel DEL Use DEL to cancel the pro cedure the reading stored previously will be retained Make a measurement The measured value will be displayed Blck Number of the selected block n Consecutive number of the newly measured single reading Select and overwrite additional readings or Back MENU Press MENU to return to the displ...

Page 110: ...y if Free run ning transmit on has been selected from the Service functions As long as the free running mode is on measurement acquisition can be triggered using ENTER ENTER Use ENTER to end the block result display The last block will be closed automatically and a new block will open If additional measurements are to be made in the last not yet closed block do not press ENTER in stead select the ...

Page 111: ...the free running display mode Press the arrow key again As long as the free running display mode is enabled will appear on the display the acquisition of a reading can be triggered using ENTER or by trans mitting one of the ASCII characters G0 ES EN or the control character ESC ESC ASCII27 via the interface port 9 5 2 Control Commands beginning on Page 136 the acquisition of reading can be trigger...

Page 112: ...ble the free running display mode will appear on the display Appl Number of the open Application Fe Displays ferrite contents in ferrite percent measured variable of the open Ap plication 10 7 6 Measured Variable beginning on Page 180 Blck Number of the block n Number of readings in the block Place the probe on the specimen and move it across the surface of the specimen to de termine the ferrite c...

Page 113: ...46 If a reading violates the upper or lower specification limit when making measurements in the free running display mode and the measurement ac quisition signal is enabled the respective signal for indicating the violation of the tolerance limit will sound 7 3 4 Audible Signals After the Mea surement Acquisition beginning on Page 90 or 7 3 5 Measurements With Tolerance Limits Enabled beginning on...

Page 114: ...nalog display example Place the probe on the specimen and move it across the surface of the specimen to de termine the lateral ferrite content distribu tion 3 00 8 00 Limits for the analog display example The lower or upper limit of the analog display is violated Lift the probe off the specimen Use to disable the free running display mode The last reading taken before the free run ning display ode...

Page 115: ...g mode readings can be stored only in the respec tive latest not yet closed block of an Application The individual applications may contain different numbers of blocks and different numbers of readings may be stored in a block However if auto matic block creation is enabled in an Application only blocks of the set block size can be created 5 6 3 Automatic Block Size and Block Cre ation beginning o...

Page 116: ...not closed block It is not possible to select freely the block where the next reading is to be stored Reference area APPL 1 for sheet metal APPL 2 for pipe APPL 3 for profile Norm 1 Cal 1 Norm 2 Cal 2 Norm 3 Cal 3 Block 1 Readings sheet 1 Block 2 Readings sheet 2 Block 3 Readings sheet 3 Block 4 Readings sheet 4 Block 1 Readings pipe 1 Block 1 Readings profile 1 Block 2 Readings pipe 2 Block 3 Rea...

Page 117: ...n receive the same maximum number of readings After entering the number of Applications and blocks the instrument will au tomatically compute and display the maximum number of readings For ex ample if Matrix mode on 3 20 318 appears when the instrument configu ration is displayed a maximum of 3 Applications each with 20 blocks each with a maximum number 318 readings can be set up Fig 7 10 Example ...

Page 118: ...surements in the Matrix Measuring Mode In the matrix measuring mode it is possible to change the blocks i e to select the block where the next reading is to be stored manually or automat ically 10 6 3 Matrix Mode beginning on Page 169 All three Applications contain 20 blocks each With 3 Applications each with 20 blocks a maximum of n 318 readings can be stored per block When selecting a reference ...

Page 119: ...k changing must be done manually in order to allow for a free selection of the block where the next reading is to be stored The desired block must be selected before making the measurement If manual block changing is selected it is possible to store one reading in block 7 and the next in block 3 for example Key sequ Action Detail of the display Explanation BLOCK RES Use BLOCK RES to start the bloc...

Page 120: ... signals Page 90 or Use the arrow keys to select the desired block and ENTER to confirm the block se lection The display shown to the left appears if a new block without readings is selected Make the measurement in the selected block on the next specimen If additional measurements are made in the matrix measuring mode while appears on the display these measurements will not be stored printed or ta...

Page 121: ...ge 44 Assigning the block designation can be carried out in the following man ner Use of the optional software Fischer DataCenter scope of supply Transmitting the command SBN via the interface port 9 5 2 Control Commands beginning on Page 136 Once Application or block designations have been assigned the designa tions appear in the information lines of the display where applicable al ternating with...

Page 122: ...r Number of evaluated readings Date and time of the block closure of the evaluated block or the current date if the evaluated block is not yet closed Mean value Standard deviation or estimated standard deviation the estimated stan dard deviation is shown in the final evaluation only when measure ments are made with a fixed block size Standard deviation sa is shown in the final evaluation only if t...

Page 123: ...set from the service functions 8 1 Evaluation of the Current Block Block Result After pressing BLOCK RES the most important characteristic statistical val ues are computed from the individual values taken until then in the current block and then displayed However the block will not be closed until the evaluation ends through tak ing a new measurement or through pressing ENTER or the instrument is ...

Page 124: ...readings in this block corresponds to the set block size 7 3 6 Measurements With a Fixed Block Size begin ning on Page 91 Evaluation of the current block display Block result Key sequ Action Detail of the display Explanation BLOCK RES Use BLOCK RES to start the evaluation of the open block Page BLOCK RES Pressing BLOCK RES again Displays additional computed quantities Info CAL Press CAL to display...

Page 125: ...dings in succession use MENU to return to the block result Delete block DEL Use DEL to delete the readings of the last not yet closed block appears only during the evaluation of not closed blocks Exit ENTER Ends the block result dis play The current block will be closed appears on the display once the block is closed ENTER Use ENTER to end the block result display The instrument is again ready to ...

Page 126: ...be displayed When making measurements with a fixed block size a printout of the re spective block result occurs automatically upon the closing of a block if a printer is connected and powered up Corresponding to the settings of the block result mode made in Service func tions Evaluation 10 8 Storage Mode beginning on Page 184 ei ther the short Fig 8 1 or the long Fig 8 2 version will be print ed F...

Page 127: ... limits disabled Fig 8 3 and with tolerance limits enabled Fig 8 4 Fig 8 3 Printout of the single readings with tolerance limits disabled example Displayed only when tolerance limits are en abled Application No 0 Block No 3 n LSL USL 10 2 10 8 1 10 4 2 10 4 3 10 4 4 10 3 5 10 2 FISCHER FERITSCOPE FMP30 25 07 08 Appl No 0 Block result Block No 3 24 07 08 12 11 Mean value fe 10 33 0 13 Std dev s 0 1...

Page 128: ...ars only if a designation has been assigned 5 5 Assigning Application Designations beginning on Page 44 Block result Result type Block No Current measurement block number block name ap pears only if a designation has been assigned 5 5 Assigning Application Designations begin ning on Page 44 Date Time Date and time of the last measurement of the evaluat ed block or closed block respectively Mean va...

Page 129: ...ll be con cluded only after the number of readings in this block corresponds to the set block size 7 3 6 Measurements With a Fixed Block Size begin ning on Page 91 Highest value Highest block mean value Maximum LSL USL Upper lower specification limit Reading is within the tolerance limits Reading violates the tolerance limits The measurement was recognized as an outlier With the Matrix measuring m...

Page 130: ... Displays additional computed quan tities Info CAL Press CAL to display an ex planation of the computed parameter appears on the display when the toler ance limits are enabled appears on the display once the block is closed Once at least 30 measurements have been taken a histogram can be displayed as well by pressing FINAL RES again To do this select On 10 3 2 Histogram beginning on Page 155 from ...

Page 131: ... are enabled will the number of measurements that are violating the lower or upper tolerance limits be specified on the printout of the final result Fig 8 5 FINAL RES Notes about finishing the final result using FINAL RES Delete meas DEL Use DEL to delete all readings of the evalu ated Application Exit ENTER To end the final results function without deleting the readings use ENTER ENTER Use ENTER ...

Page 132: ...TSCOPE FMP30 27 06 08 Product Name Appl No 0 Final result from 27 06 08 11 26 to 27 06 08 11 27 Mean value fe 39 84 Est StdDev à 1 88 largest Block 10 33 smallest block 8 89 COV 19 11 Displayed only when tolerance lim its are enabled Displayed only when measure ments are made FISCHER FERITSCOPE FMP30 27 06 08 Product Name Appl No 0 Final result from 27 06 08 11 12 to 27 06 08 11 23 cp 0 69 cpk 0 3...

Page 133: ...dev s Standard deviation Est StdDev Estimated standard deviation only specified with fixed block sizes n Number of evaluated readings ni Block size number of readings per block Std dev sa Standard deviation sa is specified only if the spread of the mean values cannot be explained from the spread within the blocks according to a variance anal ysis nBl Number of evaluated blocks COV Coefficient of v...

Page 134: ...stribution the instrument performs a Kolmogorov Smirnov test if up to 40 readings are evaluated or a 2 test if more than 40 readings are evaluated during the final evaluation The test result is printed out under the histogram and shows if a normal distribution of the readings was determined Normal distribu tion Fig 8 7 or not No normal distribution Fig 8 8 Fig 8 7 Printout of a histogram with norm...

Page 135: ...ution with a normal distribution skewness and kurtosis are Zero Fig 8 8 Printout of a histogram without normal distribution example H I S T O G R A M n 10 1 7 10 2 12 10 2 2 10 3 7 10 4 2 10 5 Distribution not normal Skewness 0 55 Kurtosis 1 3 NORMAL PROBABILITY CHART Upper limit Norm Prop Chart 10 2 23 33 10 2 63 33 10 3 70 00 10 4 93 33 10 5 100 00 ...

Page 136: ... of data e g designations for Applications from the PC to the instrument by sending commands from the PC to the instrument Both commercial or one s own data processing programs can be used to process the data exported by the instrument Information regarding import and processing of the data using such programs may be obtained from the respective manuals for these programs Use the interface to Tran...

Page 137: ...r the source to search for the USB driver e g CD ROM drive removable media CD diskettes or local path The successful installation of the USB driver can be verified in the Windows Device Manager Open the Device Driver Start Control Panel System Hardware tab Device Manager button You will find an additional COM port under Ports COM LPT e g USB Driver for FMP COM3 if the instrument is connected to yo...

Page 138: ...2 Select the data for online export 10 4 1 Output beginning on Page 156 3 Data transfer from the instrument to the PC during the measurement online operation Page 133 after the measurement offline operation Page 135 4 Control the instrument from the PC Page 136 9 4 1 Online Operation For transferring measurement data during online operation the instrument Pin1 not used Pin5 GND Pin2 T x D Transmit...

Page 139: ...e readings are output immediately following the measurement acquisi tion via the interface port If on the other hand the setting is USB Output Block mean values the block mean values are output via the interface port after pressing BLOCK RES 8 1 Evaluation of the Current Block Block Result beginning on Page 118 the single readings will be displayed but will not be output Setting the type of transf...

Page 140: ...f single readings can be combined into a block by pressing BLOCK RES 8 1 Evaluation of the Current Block Block Result begin ning on Page 118 For transferring data a group separator ASCII GS can be used to identify the end of an individual blocks that have been cre ated by pressing BLOCK RES The groups separator is placed at the end of each a block and output via the interface port followed by CR L...

Page 141: ...nse ACK ASCII6 Response in case of an error NAK ASCII21 Command Function DAM0 DAM99 Deletes all readings that are stored in the Application with the specified number Example The command DAM2 deletes all measurement data of the second Application DAT0 DAT999 Request the date and time of a closed block for a certain block block number from the instrument Example Send the command DAT2 Response of the...

Page 142: ...ommand GBN2 the instrument outputs the designation of the third block of the current Applica tion GG Requests the block size of the current Application i e the num ber of readings that are to be combined during automatic block creation 0 is output if automatic block creation is disabled Enables automatic block creation and sets the block size of the current Application 5 6 3 Automatic Block Size a...

Page 143: ...gle readings with group separator i e during the measurement data output the single readings are transferred and a group separator ASCII GS is transmitted between each of the measurement blocks PT3 Sets the measurement data output mode only block mean values i e during the measurement data output only the block mean values are transferred SAM Requests all measurement data that are stored in the cu...

Page 144: ...sables the group separator in the instrument If the group sep arator is disabled no group separator will be transmitted be tween the individual measurement blocks during the output via the interface port SGS1 Enables the group separator in the instrument If the group sep arator is enabled a group separator will be transmitted between the individual measurement blocks during the output via the inte...

Page 145: ...XN or y Requests the current normalized countrate Outputs the current normalized countrate but does not store it in the instrument XX or z Requests the current count rate Outputs the current count rate but does not store it in the instru ment Command Function ...

Page 146: ...ning on Page 160 9 6 1 Print Output Printing is possible from the following situations Documenting the set up Applications Page 42 Documenting the normalization Page 63 corrective calibration Page 69 calibration on coating Page 70 and master calibra tion Page 78 Output of the block result after the closing the block Page 91 Output of the single readings after measurement acquisition Page 99 Evalua...

Page 147: ...gs in the service functions to the default settings Page 152 However time date and language are not reset by the re initialization Key sequ Action Detail of the display Explanation ON OFF 5 x ENTER Use ON OFF to turn the instrument on After pressing ENTER 5 times the identifi cation number 157 appears on the display 2 x Enter the identification number 159 by pressing the arrow key 2 times Use ENTE...

Page 148: ...44 145 146 147 148 149 151 152 Evaluation Block result Histogram 154 155 USB USB Bluetooth will dis played if the option Bluetooth is activated in the instrument USB COM will displayed if the option COM is activat ed in the instrument Output to port Group separator Send in free Data format setting only for COM module 156 157 158 158 Print Printer left margin Print single meas Block result Final re...

Page 149: ...elete at off 184 Master calibration Performing a master calibration 184 About Information about the instrument configura tion 185 Do not select a language for which you do not understand the characters e g Cyrillic You might have difficulty returning to a language that is familiar to you Key sequ Action Detail of the display Explanation Select System from the service menu Use ENTER to confirm the ...

Page 150: ...e service menu Use ENTER to confirm the selection ENTER Select the Time by pressing the arrow key or and confirm the selection with EN TER ENTER Set the current time hours by pressing the arrow keys or and confirm the setting with ENTER Set the current time minutes by pressing the arrow keys or and confirm the set ting with ENTER You will be returned to the System menu Use DEL at any time to cance...

Page 151: ... keys or and confirm the selection with EN TER ENTER Set the current date day by pressing the arrow keys or and confirm the setting with ENTER The order for displaying day month and year depends on the selected date format 10 2 4 Set the current date month by pressing the arrow keys or and confirm the setting with ENTER Set the current date year by pressing the arrow keys or and confirm the settin...

Page 152: ...ystem from the service menu Use ENTER to confirm the selection ENTER Select the Date format by pressing the ar row key or and confirm the selection with ENTER ENTER Select the desired format by pressing the ar row keys or and confirm the selection with ENTER european Date format dd mm yy USA Date format mm dd yy Use DEL at any time to cancel the setting procedure ...

Page 153: ... The default brightness setting is 60 Key sequ Action Detail of the display Explanation Select System from the service menu Use ENTER to confirm the selection ENTER Select the Brightness by pressing the ar row key or and confirm the selection with ENTER ENTER or Use ENTER to confirm the Contrast selec tion or specify a new value by pressing the arrow keys or then confirm the entry with ENTER Use D...

Page 154: ...rvice menu Use ENTER to confirm the selection ENTER Select Light by pressing the arrow keys or and confirm the selection with EN TER ENTER Select the desired setting by pressing the ar row keys or Use ENTER to confirm the desired setting Use DEL at any time to cancel the setting procedure or ENTER off after n sec Use ENTER to confirm the value or specify a new value by pressing the arrow keys or P...

Page 155: ...e selection always on with ENTER you are immediately returned to the menu in order to enter additional set tings or ENTER on w power unit After confirming the selection on w power unit with ENTER you are immediately re turned to the menu in order to enter addi tional settings Key sequ Action Detail of the display Explanation ...

Page 156: ...itch off by pressing the ar row keys or and confirm the selection with ENTER ENTER Select the desired mode by pressing the ar row keys or and confirm the selection with ENTER off The instrument does not switch off au tomatically The switch off mode is disabled on The instrument shuts down automati cally if for about 5 minutes no measure ments are made or no key is pressed The switch off mode is en...

Page 157: ...h the exception of time date and language thus if necessary the settings will have to be made again all settings in the service functions are reset to the default settings i e to the factory settings exception language thus if necessary the set tings will have to be made again the coefficients of the master characteristic that is stored in the EEPROM of the probe plug are not changed because the r...

Page 158: ...ator s Manual FERITSCOPE FMP30 Page 153 Instrument Settings Service Function Menu Press DEL only if the re initialization is indeed desired DEL Continue ENTER Press ENTER will re turn you to the System menu ...

Page 159: ...he display Explanation Select Evaluation from the service menu Use ENTER to confirm the selection ENTER Select Block Result by pressing the arrow keys or and confirm the selection with ENTER short Output of the short block result in the printout long Output of the long block result in the printout Use DEL at any time to cancel the setting procedure ...

Page 160: ...stogram proceed as follows Key sequ Action Detail of the display Explanation Select Evaluation from the service menu Use ENTER to confirm the selection ENTER Select Histogram by pressing the arrow keys or and confirm the selection with ENTER off No histogram output when displaying the final result on Histogram output when displaying the final result Use DEL at any time to cancel the setting proced...

Page 161: ...ent with Bluetooth module Select USB Bluetooth Instrument with COM module Select USB COM Use ENTER to confirm the selection ENTER Select the desired output mode by pressing the arrow keys or and confirm the se lection with ENTER Single meas Single reading output via the interface port Block mean value Block mean value output via the interface port Use DEL at any time to cancel the setting procedur...

Page 162: ... COM module Select USB COM Use ENTER to confirm the selection ENTER Select the desired groups separator mode by pressing the arrow keys or and con firm the selection with ENTER off No group separator will be transmit ted between the individual blocks during the output via the interface port on A group separator ASCII29 will be transmitted between the individual blocks during the output via the int...

Page 163: ...irm the selection ENTER Select the desired free running mode by pressing the arrow keys or and con firm the selection with ENTER off Measurement data that have been taken using the free running display mode will not be transmitted via the interface port on Measurement data that have been taken using the free running display mode will be transmitted via the interface port Use DEL at any time to can...

Page 164: ...u ENTER Set the desired data transfer parameters in the menus COM Baud COM Parity and COM Handshake Select the menu parameters by using the arrow keys or and confirm the selec tion with ENTER Use DEL at any time to cancel the proce dure Key sequ Action Detail of the display Explanation ...

Page 165: ...tail of the display Explanation Select Print from the service menu Use ENTER to confirm the selection ENTER Select the Printer by pressing the arrow key or and confirm the selection with ENTER ENTER Select the desired printer by pressing the ar row keys or and confirm the selection with ENTER Use DEL at any time to cancel the setting procedure ...

Page 166: ...he display Explanation Select Print from the service menu Use ENTER to confirm the selection ENTER Select Left Margin by pressing the arrow key or and confirm the selection with ENTER ENTER Enter the value for the left margin width us ing the arrow keys or and confirm the entry with ENTER Use DEL at any time to cancel the setting procedure ...

Page 167: ...e ENTER to confirm the selection ENTER Select Block Result by pressing the arrow keys or and confirm the selection with ENTER ENTER Select the desired mode for printing the block result by pressing the arrow keys or and confirm the selection with ENTER Use DEL at any time to cancel the setting procedure off The block result is not printed on The block result will be printed auto matically after pr...

Page 168: ...nu Use ENTER to confirm the selection ENTER Select Final Result by pressing the arrow key or and confirm the selection with ENTER ENTER Select the desired mode for printing the fi nal result by pressing the arrow keys or and confirm the selection with ENTER Use DEL at any time to cancel the setting procedure off The final result is not printed on The final result will be printed auto matically aft...

Page 169: ...on Detail of the display Explanation Select Print from the service menu Use ENTER to confirm the selection ENTER Select Histogram by pressing the arrow keys or and confirm the selection with ENTER Select the desired histogram mode by press ing the arrow keys or and confirm the selection with ENTER off Histogram printout is not enabled on A histogram presentation is printed following the printout o...

Page 170: ... Select Auto Formfeed by pressing the ar row keys or and confirm the selection with ENTER Select the desired Auto Formfeed mode by pressing the arrow keys or and con firm the selection with ENTER off Auto Formfeed is not enabled on The printer performs an automatic form feed Turn Auto Formfeed on when there are problems ejecting pages Also observe the hints in your printer manu al Use DEL at any t...

Page 171: ... are triggered and the display will not change when pressing these keys while in restricted operating mode Furthermore setting up overwriting and deleting of Applications is not pos sible while in the restricted operating mode The restricted operating mode will remain enabled even after the instrument is switched off and on As long as the restricted operating mode is enabled the display will show ...

Page 172: ... by press ing the arrow keys or and confirm the selection with ENTER off The restricted operating mode is dis abled i e all functions are enabled ac cording to their settings on The restricted operating mode is en abled Use DEL at any time to cancel the setting procedure Key sequ Action Detail of the display Explanation ...

Page 173: ...ween the limits as an analog bar Key sequ Action Detail of the display Explanation Select Device Mode by pressing the arrow keys or and confirm the selection with ENTER ENTER Select Analog display by pressing the ar row keys or and confirm the selection with ENTER ENTER Select the desired display mode by pressing the arrow keys or and confirm the se lection with ENTER off Analog display disabled o...

Page 174: ...or and confirm the selection with ENTER ENTER This settings option appears only when du al method both is set for all Applications set up with dual probes Page 184 Select the desired mode by pressing the ar row keys or and confirm the selection with ENTER off matrix mode is disabled i e the standard measuring mode is enabled on Matrix measuring mode is enabled 10 20 150 Example for 10 Applica tion...

Page 175: ...tion Press DEL only if the re initialization is indeed desired Key sequ Action Detail of the display Explanation DEL After the re initialization the number of Ap plications and the number of blocks must entered when changing to the matrix mea suring mode This automatically specifies the max num ber of measurements that can be stored in one block Enter the values for the number of Applica tions and...

Page 176: ...atic The block change occurs au tomatic i e when making measurements in the matrix mode the next measurement will be stored in the next block automatically Use DEL at any time to cancel the setting procedure appears on the display as long as the Matrix measuring mode is enabled The number of applications and blocks cannot be changed without a re initialization With a re initialization of the instr...

Page 177: ...age 37 Select the desired mode by pressing the ar row keys or and confirm the selection with ENTER off Applications are not linked to each other linking mode disabled on All applications that have been set up using the same probe will be linked with each other linking mode enabled Use DEL at any time to cancel the setting procedure As long as the linking mode f the Application is enabled will appe...

Page 178: ...on cannot be disabled Details about the audible sig nals 7 3 4 Audible Signals After the Measurement Acquisition beginning on Page 90 Key sequ Action Detail of the display Explanation Select Measurement by pressing the arrow key or and confirm the selection with ENTER ENTER Select Audible signal by pressing the ar row keys or and confirm the selection with ENTER ENTER Select the desired mode by pr...

Page 179: ...ow keys or and confirm the se lection with ENTER ENTER Select the desired Measurement signal by pressing the arrow keys or and con firm the selection with ENTER off Measurement effect disabled i e the reading will not be acquired automatically automatic measurement acquisition dis abled on Measurement effect enabled i e the reading will be acquired automatically once the probe is placed on the spe...

Page 180: ...start by pressing the arrow keys or and confirm the selection with ENTER ENTER Select Extern Start on or Extern Start off by pressing the arrow keys or and confirm the selection with ENTER off External start is not possible External start disabled on External start is possible enabled i e external measurement acquisition can be triggered by pressing the key or FI NAL RES during a normalization or ...

Page 181: ... to 2500 ms 2500 ms pause after external start Page CAL Press CAL to leaf through the pages Use DEL at any time to cancel the setting procedure The combination measurement effect off and external start off is not permissible because it would not allow for a measurement acqui sition If this combination is set the instrument will automatically reset the parameters to measurement effect on and extern...

Page 182: ... by pressing the ar row keys or and confirm the selection with ENTER ENTER Select the desired measuring mode by pressing the arrow keys or The standard measuring mode will be en abled Confirming with ENTER will return you to the menu for the measurement Use DEL at any time to cancel the proce dure Area measurement is possible enabled 7 3 3 Automatic Measurement Acquisi tion beginning on Page 87 Co...

Page 183: ...ER to confirm the selection Use DEL at any time to cancel the proce dure ENTER Select the desired number of measurements by pressing the arrow keys or and con firm the selection with ENTER Use DEL at any time to cancel the setting procedure ENTER Enter the time interval by pressing the arrow keys or Confirming with ENTER will return you to the menu for the Measurement Use DEL at any time to cancel...

Page 184: ... the arrow key or and confirm the selection with ENTER ENTER Select the desired unit by pressing the ar row key or The change of the unit does not occur until a new Application is set up Fe The ferrite content display in ferrite percent FN The ferrite content display is in fer rite numbers always ask When setting up a new Ap plication you will be asked for the unit of measurements to be used 5 1 S...

Page 185: ...R Select Measured variable by pressing the arrow keys or and confirm the section with ENTER ENTER Select the measured variable of the open Application by pressing the arrow keys or and confirm the selection with EN TER The settings of the measured variables of the other Applications will not be affected The readings will be displayed on the screen corresponding to the setting for the measured vari...

Page 186: ...ences in particular changes to the ambient temperature and thus avoids erroneous measurements Static Air Value Measurement With static air value measurement the reading of the air value that has been obtained during the last carried out manual air value capture is used for the instrument adjustment The readings will be erroneous if the ambient temperature has changed With every modification of the...

Page 187: ...ors with static air value measurements as low as possible manual air value capture should be carried out at relatively regular intervals Key sequ Action Detail of the display Explanation Select Measurement by pressing the arrow key or and confirm the selection with ENTER ENTER Select Air value acceptance by pressing the arrow key or and confirm the selec tion with ENTER ENTER Select the desired ac...

Page 188: ... Capture the air value followed by a normalization procedure Use ENTER to start the normalization procedure see Chapter 6 2 Normalization beginning on Page 61 A normaliza tion on the substrate material is necessary only if the substrate mate rial changed since the last normalization or the last air value measurement or Only manual air value capture Confirming with FINAL RES will finished the air v...

Page 189: ...tion with ENTER ENTER Select the desired mode by pressing the ar row keys or and confirm the selection with ENTER store The readings are stored and will be retained even after the instrument is switched off do not store The readings will be dis played but not stored delete at off All readings will be deleted when the instrument is switched off Use DEL at any time to cancel the setting procedure Ke...

Page 190: ...repeatedly displays the in strument configuration in succession cf 10 11 Documentation of the Instrument Configuration beginning on Page 185 Key sequ Action Explanation PRINT With the service functions retrieved and a printer connected and powered up the doc umentation of the instrument configuration including the probe can be printed using the PRINT command Fig 10 1 Using the print function also ...

Page 191: ...eas range 0 15 105 Language english Date format european Contrast 71 Auto switch off on Block result Histogram on Output to port Single meas Group separator off Send in free off Left margin 0 Print sgl meas on Auto Formfeed off Histogram on Storage mode off Analog display on Matrix mode off Linking off Audible signal off Meas signal on Extern start on delay 0 ms Meas mode standard unit Fe Ferrite ...

Page 192: ...th out AC adapter Replace rechargeable or regular batteries with new ones or operate the instrument with the AC adapter 23 No display of the re sults with FINAL RES No readings in the cur rent Application e g because the mea surement data have been deleted Take measurements 85 No display of the re sults with BLOCK RES No readings in the current Application e g because the mea surement data have be...

Page 193: ...i tion did not occur be cause the previous measurementacquisition was less than two sec onds earlier Repeat measurement 34 Computing the coating thickness is not possible because the coating is too thick Use a different speci men A wrong probe is con nected Application was set up with a different probe The indicator for the measurement method flashes on the display Connect the correct probe or ass...

Page 194: ...y and ob serve the minimum lift off distance when lifting off the probe 34 Application selected that has not bee set up for this specimen Use APPL No and the arrow keys to select the correct Application 40 Wrong base material correct measurements with eddy current probes are possible only on non ferromagnetic base materials Use a specimen with a non ferromagnetic base material Conducting metal clo...

Page 195: ...ut put from the service function 184 Block result does not print automatically us ing BLOCK RES Instrument is in matrix mode block results do not print automatically in matrix mode Use PRINT to print the block result 162 Printer does not print Printer switched off Turn printer on Printer battery dis charged and printer not connected to the mains power supply Charge printer battery or connect print...

Page 196: ...y e g do not allow the probe to hover over the speci men before or after the measurement observe the minimum lift off dis tance 34 Cause Eddy current probe that is currently normalized on a non fer romagnetic base materi al has previously been normalized on a ferro magnetic base material Continue normaliza tion 61 Instrument is not ready to make measurements Cause Re initialization was carried out...

Page 197: ... contents that can be measured with the con nected probe or use a different probe Cause Measurement carried out incorrectly Perform the measure ment correctly e g do not allow the probe to hover over the speci men before or after the measurement observe the minimum lift off dis tance 34 Cause Measurement with eddy current probe on a non ferromagnetic base material after a normalization on a fer ro...

Page 198: ...p and perform the calibration measure ment correctly e g do not allow the probe to hover over the standard before or after the mea surement observe the minimum lift off dis tance 34 Cause Measurement carried out on wrong calibration standard Repeat the calibration step and make the cali bration measurement on a correct standard 64 Connected probe not suitable or not support ed measurement meth od ...

Page 199: ...ation standards 64 Calibration standards were measured out of sequence during the cor rective calibration stan dard 1 mixed up with standard 2 and fer rite content was not ad justed correspondingly using the arrow keys Repeat the corrective calibration and mea sure the standards in the correct sequence 64 Unable to complete the master calibration Cause Measurement carried out incorrectly Repeat th...

Page 200: ...be not plugged in and tight ened properly Plug probe in and tight en properly repeat the master calibration 25 Cause Probe defective Connect a properly functioning probe and if applicable repeat the master calibration 25 70 The stored ferrite con tents do not correspond to the measured stan dards Cause Calibration stan dards were measured out of sequence during the master calibration standard 1 mi...

Page 201: ...e 25 Probe not connected correctly Connect probe correct ly 25 Probe defective Use properly function ing probe 25 When overwriting an Application it is possi ble to retain the mea surement data only of the connected probe us es the same measure ment method as the probe that was used to set up the Application Delete the measure ment data when over writing the Application or set up a new Appli catio...

Page 202: ...to a printer or a PC If this error occurs re peatedly Inform cus tomer service 102 133 Unable to compute mea surement because after enabling the linking mode no normalization or corrective calibration has been performed with the connected probe Perform a normaliza tion or corrective cali bration with the connected probe 61 64 Probe contents does not correspond to the test value Inform customer ser...

Page 203: ...write read er ror Inform customer ser vice The probe contains an unknown data format Perform a software up date Unable to compute a measurement because a normalization has not been carried out in this Application on the cur rent base material Perform a normaliza tion 61 Internal instrument error Inform customer ser vice Malfunction Message Cause Correction start on Page E 031 USB overcur rent E 03...

Page 204: ...dure Printer not connected to the instrument Connect the printer and restart the printing pro cedure 160 Wrong printer setting in the service function Correct the printer set ting in the service func tion and restart the print procedure 160 Instrument corrected faulty settings autono mously A procedure was can celed e g the correc tive calibration was canceled using ENTER Repeat the procedure if n...

Page 205: ...alibration Repeat the corrective calibration with suitable calibration standards The difference of the normalized count Xn of the two calibration stan dards must be greater than 0 1 Xn Calibration standard 2 Xn Calibration standard 1 Xn 0 1 64 A probe of the same type but with a different serial number has been connected 25 Malfunction Message Cause Correction start on Page W 005 1 Point calibrati...

Page 206: ... content M quantity Test Chi squared test c Test AC adapter The FERITSCOPE FMP30 can be connected to a power outlet via the AC adapter Accuracy Qualitative designation for the degree of approximation of a measure ment result to the true value Usually the accuracy is divided into Trueness Accuracy of the mean and Precision Figure 16 1 Accuracy terms Detailed information in 20 See Additional Literat...

Page 207: ...ring information data 1 baud corre sponds to a data transfer rate of 1 bit per second Baud Rate Data transfer rate Used mainly in connection with terminal programs for data transfer Since data are transferred via a serial port the transfer rate is calculated in bits per second Bd Baud Baud Bidirectional data exchange data transfer Data can be transmitted and received by both participants for examp...

Page 208: ...nt as defined by calibration standards The mid portion of the calibration curve approaches a straight line and constitutes the range with the lowest relative measurement error As long as no normalization or corrective calibration has been per formed the calibration curve is identical with the master calibration curve During normalization or corrective calibration the calibration curve is adjusted ...

Page 209: ... standard set The calibration standard sets used for the corrective calibration of the FERITSCOPE FMP30 consist of the Base and three calibration stan dards of different ferrite contents cf Figure 16 5 Various calibration standards sets for corrective calibration are available from FISCHER to prepare the instrument for different measuring ranges Figure 16 5 Calibration standard set example Fe Xn 0...

Page 210: ... limits The single readings of a measurement series can be sort ed according to classes of equal width which cover the entire range of the measurement series The number of measurements per class plotted for each class is called a histogram Coefficient of Variation C O V Confidence level u Control chart Process control chart quality control chart SPC chart Control Limits If the measurements are doc...

Page 211: ... percentage points i e the standard deviation in reference to the mean value For many manufacturing processes C O V is a char acteristic process constant A change in a parameter during the coating process can alter C O V significantly thus a sudden change of C O V indicates a change in the process conditions C O V is calculated as follows where COV coefficient of variation Fe mean value s standard...

Page 212: ...sed in peripheral devic es i e in printers to change the basic settings of the device E value see Test value E EEPROM Electrically Erasable Programmable Read Only Memory Electrically erasable and programmable read only memory The memo ry contents can be erased electrically Evaluation Calculation of statistical parameters e g mean value or standard de viation with graphic output on the connected pr...

Page 213: ... variability e g ferrite content is a variable feature Attributive features are the properties of a product that usually cannot be captured by taking measurements Examples are de viations in color or whether the product is true to gauge size Free running display With the probe placed on the specimen measurements are displayed continuously Indicated by a p on the display of the FERITSCOPE FMP30 Fer...

Page 214: ...tion Graphic representation of the single readings of a measurement series by classes ferrite content ranges of equal width The degree to which a statistical result is meaningful depends among other things on this distribution When evaluating the current application with a FERIT SCOPE FMP30 the histogram of the ferrite content measurement val ues will be printed as follows Figure 16 2 Printout of ...

Page 215: ...he reference area Master calibration Adjustment of the instrument using calibration standards During a mas ter calibration the master calibration curve is determined The master calibration includes calibration and adjustment Master characteristic Probe characteristic Characteristic of the measurement system Calibration curve characteristics The master calibration curve is determined during master ...

Page 216: ...on 2 operation related or operator related errors or 3 changes in test conditions inhomogeneities of the substrate aging etc Systematic errors tend to lean in one direction With appropri ate care causes 1 and 2 can usually be avoided or corrected Causes of the third kind can be corrected by system checks or can be taken into account in the result Measurement Location A limited and clearly defined ...

Page 217: ... the probe type and the instrument Measuring Object Object on which the measurements are to be performed to determine the ferrite content for example Memory Data storage element of a microprocessor based measuring instrument Information is saved in the memory Application Method Measurement method Minimum Lowest measured value of a test series Minimum Value Minimum value measured in a measurement s...

Page 218: ...ies to 68 3 of the observed val ues X This interval is indicated in Figure 16 7 by the gray area below the curve Figure 16 7 Probability distribution P X of a quantity X which can be classified as having normal distribution The probability distribution P X is symmetrical around the mean value of the quantity X which can be classified as having normal distribu tion Skewness and Curvature are zero f...

Page 219: ...rrective calibration one point or two point calibration Online State of a peripheral device printer or PC connected to the instrument that allows it to receive data the connected instrument is ready for op eration Outlier measurements Measurements that are considerable larger or considerable smaller than the other measurements of the measurement series and therefore can be considered as unexpected...

Page 220: ...ecification limits LSL and USL Reproducibility Repeatability Repeatability precision Process capability The process capability is assessed by the indices cp and cpk For fur ther information see 4 Process capability is met when the process capability exceeds specified values Commonly required is and Process capability is a measure for long term influences stemming from the so called 6 Ms mankind ma...

Page 221: ...andom sample is taken from the production process is measured and the result e g mean value and standard deviation x s chart is graphically document ed The results of the control chart are used to determine when action should be taken in the process Quality assurance All measures taken by a producer to ensure a controlled production pro cess within the established quality criteria One aspect of it...

Page 222: ...raphically for normal distribution of the measure ments A straight line in the normal probability chart indicates normal distribution Probability paper Probability chart Gaussian probability paper sum frequency chart probability paper Probe The instrument receives the electrical probe signal which is proportional to the ferrite content measured from the probe The probe signal is then converted by ...

Page 223: ...e same manner as the calibration standards The wear and tear is dependent on the properties of the surface and on the probe which used for measurement For this reason reference samples have to be checked regularly and replaced by new reference samples if the wear and tear becomes significant Re initialization The restoration of the default settings of the instrument With a re initial ization of th...

Page 224: ...ation see 20 Reproducibility The ability of different operators to achieve practically the same mea surement result when taking measurements with different instruments at the same measuring position of the same specimen at different loca tions Tolerance limits Specification limits Specification limits LSL and USL for detailed information see 20 s The standard deviation s is a measure of the deviat...

Page 225: ...en the measurements were performed with fixed block size and the deviations of the block mean values cannot be attributed to the deviations within the subgroups as determined by analysis of variance methods C O V It describes the deviations of the block mean values in relation to the deviations of the single measurements within the blocks With a suitable measurement strategy sa is a measure of the...

Page 226: ... for the standard deviation of the population where estimated value for the standard deviation of the population s mean standard deviation c4 The factor c4 depends on the random sample size and can be obtained from popular published tables e g 4 Sigma outlier rejection Outlier rejection Significant surface Area on the surface of a specimen containing the ferrite content to be measured All properti...

Page 227: ...cification limit LSL is the minimum ferrite content allowed for the measuring object The upper specification limit USL is the maxi mum ferrite content allowed for the measuring object Specification limits are usually set by engineering requirements to assure proper func tioning or serviceability of the product Specifications With speci fication limits monitoring enabled b appears on the display of...

Page 228: ...surements smaller or equal to a particular measurement is calculated and displayed in percent Sum frequency chart Probability chart Gaussian probability paper sum frequency chart probability paper Systematic measurement errors Measurement errors System Check A significant part of monitoring the test equipment Calibration stan dards or even better reference samples are used to check the calibra tio...

Page 229: ... measurement was performed Um Measurement uncertainty k 2 of the control measurement based on stochastic errors t Student factor can be found in commonly available reference books e g Formeln und Tabellen der angewandten mathematischen Statistik by Graf Henning Stange and Wil rich For example at a 68 27 confidence level k 1 and n 10 the Student factor is t68 27 9 1 07 s Standard deviation of the m...

Page 230: ...qual to the mean value of the population However using the measurement uncertainty it is possible to define an interval in which the mean value of the population will be found with a certain proba bility indicated as confidence level For a population having normal distribution the uncertainty of measure ment u is calculated as follows for a given confidence level 1 By entering the coefficient of v...

Page 231: ...ndard Ur Specified measurement uncertainty k 2 of the standard direct entry value or with spec ified tolerance level the calculation takes place according to the formula Gl 1 T Amount of the specified tolerance data of the standard 1 653 Factor for the confidence level of 95 45 k 2 resulting from the variance of the rec tangular distribution For the confidence level of 68 27 k 1 the factor is 1 Un...

Page 232: ...Operator s Manual FERITSCOPE FMP30 Page 227 Glossary Countrate Xn Normalized countrate Countrate Xs Countrate obtained when measuring on a measuring object with no ferrite content Countrate ...

Page 233: ...athematischen Statistik Berlin Heidelberg New York Springer Verlag 6 Helmut Fischer GmbH Institute für Electronik und Messtechnik Re port reprints 7 Kotecki D J Extension of the WRC Ferrite Number System Weld ing Research Supplement November 1982 S 352 s 361 s 8 Müller P Heinz Wahrscheinlichkeitsrechnung und Mathematisches Statistiklexikon der Stochastik Berlin Akademie Verlag 9 Rönz Bernd und Str...

Page 234: ...ent Procedures 19 DIN 55 302 Parts 1 and 2 Statistical Evaluation Methods 20 DIN 55 350 Terminology in Quality Assurance and Statistics 21 DIN Taschenbuch 175 Prüfnormen für metallische und anorgan ische nichtmetallische Überzüge Normen Berlin Köln Beuth Ver lag GmbH 22 DIN Taschenbuch 223 Qualitätssicherung und angewandte Statis tik Begriffe Berlin Köln Beuth Verlag GmbH 23 DIN Taschenbuch 224 Qu...

Page 235: ...Page 230 Operator s Manual FERITSCOPE FMP30 Glossary ...

Page 236: ...3 Battery replacement 23 Symbol 9 Baudrate setting 158 Bidirectional data exchange Control commands 136 Block change 169 automatic 171 manual 171 Block Creation automatic 49 Block mean values 156 157 158 Block size 91 Brightness 148 C Calibration Deleting corrective calibration 68 Master calibration 70 Calibration Standard Certification 17 Calibration Standards 4 16 CE marking 6 Cleaning 33 COM mo...

Page 237: ...ght 18 Instrument configuration 185 Print form 185 Instrument mode 166 Instrument setting 142 Measured variable 180 Printer 141 Service functions 142 Instrument settings Analog display 168 Area measurement 177 Automatic measurement 177 Block change 169 Brightness 148 Date Time 145 146 External start 175 Histogram and block evaluation 154 Instrument mode 166 Language 144 Lighting 149 Limited operat...

Page 238: ...ables 32 Measurement enabled outlier rejection 93 Enabled specification limits 91 Fixed block size 91 Influencing parameters 81 Making 85 manual air value capture 183 Preparation 80 Measurement Acquisition 86 Area measurement 87 Measurement acquisition acoustic signals 89 Automatic 87 89 Measurement display 48 Measurement method 28 Measurement output 156 157 158 Measurement Signal 174 Measuring mo...

Page 239: ...ram and block evaluation 154 Instrument mode 166 Language 144 Lighting 149 Master calibration 184 Measured variable 180 Measurement output 156 157 158 Measurement Signal 174 Printer 141 Re initialization 152 Standard and matrix measuring mode 169 Storage mode 184 Switch off mode 151 USB COM 158 Service functions 142 Single readings 156 157 158 Specification Limits 46 Specification limits 91 Standa...

Page 240: ...Operator s Manual FERITSCOPE FMP30 Page 235 X Xn 79 ...

Page 241: ...Coating Thickness Material Analysis Microhardness Material Testing ...

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