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ElektroPhysik MiniTest 2500 Operating Instructions Manual Download Page 33

7. Calibration  

© ElektroPhysik 

MiniTest 2500 - MiniTest 4500 

33 of 73 

7.6.  Calibration Through the Coating 

(

C

AL-

T

HROUGH-

C

OATING: 

CTC

: 

Procedure according license patent DE3404720C2) 

This method is recommended when an uncoated test sample is not available. It can be employed 
with the probe types F06, F1.6, F3, FN1.6 and FN2 (F-part), F1.6/ 90, F2/90, F10, F20 and F50. 
The CTC method may, however, only be used when the coating is smooth at the calibration point 
and measured values are reproducible. Do 

not

 use for textured coatings. 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

1. 

Press CAL/CTC key for some seconds to initialize CTC calibration. CTC1 flashes.  

2. 

Place the probe on the calibration point of the test sample and raise it after the bleep. Repeat 
this  procedure  several  times.  The  display  always  shows  the  mean  value  of  the  previous 
readings. 

3. 

Press CAL key. 

4. 

Place the calibration foil on the same point, apply the probe and raise it after the bleep.The 
thickness of the foil should be roughly equivalent to the estimated coating thickness. Apply the 
probe  to  the  test  sample  several  times.  The  display  always  shows  the  mean  value  of  the 
previous readings.  
To discontinue calibration, press CLEAR.  
All  calibration  values  entered  so  far  will  be  deleted  and  the  calibration  procedure  can  be 
continued  taking  new  readings.  In  order  to  discontinue  and  quit  the  calibration  procedure, 
press „OK/

“ for several seconds. 

1. 

If necessary, adjust the value displayed to the thickness value of the calibration foil using the 
arrow keys. 

2. 

Press OK key shortly to confirm and complete CTC calibration. 

‘CTC1’ is displayed steadily. 

 

1. 

3. 

2. 

5. 

6. 

7. 

Calibraion 
foil 

 

CTC2 flashes 

CTC1 flashes 

CAL 
steady 

Adjust to value oft 
he calibration foil 

n 

x

 

n 

x

 

Summary of Contents for MiniTest 2500

Page 1: ...ElektroPhysik Operating instructions Coating thickness gauges MiniTest 2500 and MiniTest 4500 ...

Page 2: ...2018 Gauge software Version from 1 0 1 Sensor Software from 1 0 Subject to technical change without notice ElektroPhysik Dr Steingroever GmbH Co KG Pasteurstr 15 50735 Cologne Germany Tel 49 221 752040 Fax 49 221 7520467 Internet http www elektrophysik com Mail info elektrophysik com ...

Page 3: ... FN2 90 13 3 2 1 2 Adaptation of sensor types N10 N20 and N100 14 4 Measuring Storage and Data Processing in DIRECT or APPL BATCH mode 15 4 1 Switch on start up screen 15 4 2 Structure of the APPL BATCH system 17 4 3 Switching APPL BATCH mode on off 18 4 4 Displaying the number of active APPL BATCH 19 4 5 Selection of an APPL memory 19 4 6 Selection of a BATCH memory 19 5 Measuring 20 5 1 Importan...

Page 4: ...ation Through the Coating 33 7 7 Sensors N10 and N20 34 7 7 1 Standardization Acquisition of Infinite Value 34 7 7 2 Two point calibration zero setting plus one calibration foil 34 7 7 3 Elimination of dielectric interferences of the coating material 35 7 8 N100 Sensor 35 7 8 1 Standardization Acquisition of Infinite Value 35 7 8 2 Two point calibration zero setting plus one calibration foil 36 7 ...

Page 5: ...ements including limits and statistics within an APPL BATCH memory 46 9 5 Deleting limit values within an APPL BATCH memory 46 9 6 Deleting all series of measurements incl statistics limits and calibration values of an APPL memory 47 9 7 Total Reset 47 10 Data output and transfer 48 10 1 Printing data 48 10 2 Data transfer to PC terminal program 48 10 3 Read out data via a PC 49 11 Further functio...

Page 6: ...2 20 SENSOR INIT 54 11 2 21 POWER SUPPLY Setting 54 11 2 22 POWER OFF Switch off time 55 11 2 23 SYSINFO 55 11 2 24 Table of basic settings for MiniTest 4500 56 11 2 25 Table of basic settings for MiniTest 2500 57 12 Accessories 58 12 1 General 58 13 Care and maintenance 59 13 1 Care 59 13 1 1 Using NiMH rechargeable batteries 59 13 2 Maintenance 60 14 Technical data 61 14 1 Gauge specification 61...

Page 7: ...Index ElektroPhysik MiniTest 2500 MiniTest 4500 7 of 73 ...

Page 8: ...nsors also cope with sophisticated applications such as measurement of objects with unusual geometry or coatings with special material properties This wide range of applications is possible through memorization of corresponding key data within the sensor which are automatically taken into account at each measurement The scope of application is determined by the sensor connected to the gauge F type...

Page 9: ...how to take readings 2 1 Inserting batteries and connecting the sensor a Withdraw the gauge and the batteries from the storage case b Untighten the screws of the battery compartment on the back of the gauge using for example a coin and open the battery compartment c Insert the batteries from the supply schedule observing correct polarity see illustration d Close the battery compartment and fix the...

Page 10: ...formation on Calibration refer to chapter 6 c The factory pre setting is recommended for quick and easy measurement and if a medium measuring accuracy is sufficient For a detailed description of different calibration methods refer to chapter 6 2 d To take readings place the sensor in right angle onto the measuring object The coating thickness will be displayed on the screen after a short while les...

Page 11: ...g FN sensors Double assignment Switch to continuous mode 13 Activation key for DIRECT or APPL BATCH Mode 14 Key to access a subgroup BATCH within an APPLICATION Double assignment Activate Deactivate Bluetooth Interface 15 Key to enter limit values Double assignment Key to enter an Offsets 16 Arrow keys for navigation in settings e g calibration and limit values key lock 17 Key to confirm an action...

Page 12: ...vates display and keypad illumination locks the keypad with a password activates and deactivates the Bluetooth Interface only MiniTest 4500 3 1 3 Interfaces The model MiniTest 4500 is equipped with a USB and Bluetooth interface MiniTest 2500 is only equipped with a USB interface 3 1 4 Power supply 3 1 4 1 Batteries and rechargeable batteries Coating thickness gauges MiniTest 2500 and 4500 are powe...

Page 13: ...ors are equipped with a hard wear proof sensor pole However sliding sensors across rough and hard surfaces for example shot blasted surfaces should be avoided 3 2 1 Sensors of the MiniTest 1100 2100 3100 4100 series All sensors of the predecessor series are compatible with coating thickness gauges MiniTest 2500 and MiniTest 4500 However it is required to perform a one time adaptation of the sensor...

Page 14: ...ING WITHOUT SUBSTRATE after being switched on Place the sensor on the three precision standards stacked on top of each other and hold the sensor and the precision standards in the air keeping a sufficient distance to any metal objects or place the three standards on a polystyrene plate Press the OK key This procedure eliminates dielectric influences oft he coating material as described in section ...

Page 15: ...erent working modes DIRECT mode and APPL BATCH mode DIRECT mode is intended for quick occasional readings Readings as well as the 6 statistical values 8 if limits have been set can be shown on the display and printed by pressing STATS The statistical analysis function can evaluate up to 9 999 readings In APPL BATCH mode a maximum of 10 000 single readings and approx 500 separate series of measurem...

Page 16: ... directly in DIRECT mode or be continued in APPL BATCH mode provided the gauge works with a valid calibration If all data have been deleted only the measuring unit e g µm along with the measuring mode FERROUS or NONFERROUS will be shown depending on the sensor connected to the gauge Note If you switch from DIRECT mode to APPL BATCH mode all statistical data will be kept in memory The statistical d...

Page 17: ... in active memory Set up a new series of measurement BATCH within an application memory APPL Set up of a new application memory APPL with corresponding series of measurement BATCH Selection of an existing series of measurement BATCH within an application memory APPL Selection of an existing application memory APPL with corresponding series of measurement BATCH Perform one of the above mentioned ac...

Page 18: ...responding APPL number After this readings can start immediately within a selected group BATCH of particular application memory BATCH Group Memory for storing limits and readings Each of the application memories APPL memory lines is subdivided into BATCH memories Each BATCH memory can store a series of readings using one calibration and also evaluate them in statistical form In addition a set of t...

Page 19: ...tly by connecting the sensor that served to create the APPL memory originally If another sensor even of the same sensor type is connected the message LOC will be displayed along with sensor type and serial number This also happens if the probe which has been used for APPL memory creation has been repaired To delete or select APPL memories please refer to section 9 6 3 The calibration valid for you...

Page 20: ...easurement only refers to those parts of the test object that have been covered by the sensor For that reason conclusions may not be drawn on parts of the measuring object that have not been covered by the sensor during measurement In general such conclusions are only admissible if comprehensive experience and approved methods of statistical data acquisition are available 5 2 Basic settings Before...

Page 21: ...t without tilting The V groove of the sensor ensures correct positioning of the sensor on cylindrical objects To take readings place the external sensor onto the object to be measured As soon as the sensor has been placed onto the object a reading will be displayed and will be registered for statistics when working in single value mode Lift the sensor briefly from the surface and take the next rea...

Page 22: ...on 6 1 Calibration General remarks and Section 13 Technical specifications 5 6 Measurement on high temperatures using high temp sensors The measuring system MiniTest 2500 MiniTest 4500 gauge sensor is designed for a maximum operating temperature of 50 C 122 F for the gauge and 70 C 158 F at short periods 120 C 248 F for the sensor Whilst the current operating temperature of the gauge depends on th...

Page 23: ... measurements can be taken 3 During a measurement pause make sure not to place the sensor on hot surfaces to prevent heating up Keep the sensor away from hot measuring objects to prevent heating up through heat radiation Sensor recovery times in high temp operation Temperature C 100 150 200 250 300 350 Temperature F 212 302 392 482 572 662 Recovery time s 1 2 5 6 12 20 30 ...

Page 24: ...bility electrical conductivity in the ideal case they should be made of the same material identical substrate thickness identical size of measuring area Before starting calibration make sure the calibration spot the sensor tip and the calibration standard are clean If necessary remove any built ups such as grease metal chips etc Any impurities might affect calibration and lead to erratic calibrati...

Page 25: ...bration sample of the same geometry and material as the later measuring object Only one calibration point is to be taken directly on the substrate to give you the zero point Zero calibration is for quick calibration if a medium accuracy is sufficient 6 2 2 2 Two point Calibration The status line shows Z 1 Calibration points zero point directly on the substrate material and on the precision standar...

Page 26: ...bration method should be used when taking readings on rough surfaces Taking zero point on rough surfaces would imply strong deviations due to the uneven surface That s why zero point is omitted in this calibration method as this would lead to erratic calibration and thus affect accuracy 6 2 2 5 Calibration through a coating CTC The status line shows CTC Calibration using a calibration foil Recomme...

Page 27: ...ro coating thickness and raise it after the bleep Repeat this procedure several times The display always shows the mean value of the previous readings 3 Press ZERO to complete Zero calibration ZERO is displayed steadily 4 Now take readings by placing the probe on the object to be measured and raise the probe after the bleep The reading is shown on display Deleting a zero calibration for example ne...

Page 28: ...mean value of the previous readings To discontinue calibration press CLEAR 6 Adjust to the thickness of the calibration foil using the ARROW keys 7 Press the OK key to complete CAL calibration CAL is displayed steadily 8 Now take readings by placing the probe on the coating and raise it after the bleep It may be necessary to delete CAL calibration e g after entry of a faulty calibration value a Pr...

Page 29: ...ed steadily 4 Press CAL to initialize foil calibration CAL flashes 5 Place the calibration foil on an uncoated sample apply the probe and raise it after the bleep The thickness of the foil should be roughly equivalent to the estimated coating thickness Apply the probe to the test sample several times The display always shows the mean value of the previous readings To discontinue calibration press ...

Page 30: ...some seconds CAL calibration is now deleted ZERO calibration is now activated d Restart CAL calibration by repeating steps 4 to 13 above Note Even while a series of measurements is being taken foil calibration can be carried out as often as necessary The old calibration will be overwritten the ZERO calibration remains in memory Note Measurement of metallic coatings using sensor types F10 F20 or F5...

Page 31: ...dure press OK for several seconds 4 If necessary adjust the value displayed to the thickness value of the calibration foil using the arrow keys 5 Press the CAL key in order to calibration with the second foil CAL2 flashes on the display 6 Place the thicker of the two foils this should be at least twice as thick as the other foil on the uncoated sample apply the probe and raise it after the bleep T...

Page 32: ...3 b Pressing the CLEAR key for a longer time will delete both calibration values Note The default standard calibration for flat surfaces is now active c For a new CAL calibration repeat steps 2 7 The previous calibration is deleted and the new calibration is active ...

Page 33: ...ay always shows the mean value of the previous readings 3 Press CAL key 4 Place the calibration foil on the same point apply the probe and raise it after the bleep The thickness of the foil should be roughly equivalent to the estimated coating thickness Apply the probe to the test sample several times The display always shows the mean value of the previous readings To discontinue calibration press...

Page 34: ...ngs beyond the measuring range will be indicated by 3 steady strokes After the gauge has been switched on the display will show INF and Sensor in Air Hold the sensor away from any kind of metal and press the key ZERO key for several seconds To switch to Single measurement mode press Auto FN Cont for several seconds During calibration with N10 and N20 probes the dielectric properties of the calibra...

Page 35: ...xpected coating or wall thickness respectively see following calibration principle 2 Make a two point calibration 7 3 with two spacers Here the expected thickness should lie between that of the two spacers 3 Switch the gauge on The gauge automatically switches to Continuous Mode This mode will be of advantage when measuring with this probe The Continuous Mode will be indicated by 3 strokes flashin...

Page 36: ...djust to the spacer thickness with arrow keys and confirm pressing OK CAL calibration is completed CAL is displayed steadily 7 8 3 Elimination of dielectric interferences of the coating material Place the sensor on the coating material min 30 mm avoiding any metal support Press ZERO key several seconds The elimination of dielectric interferences must be carried out for both calibration procedures ...

Page 37: ...e The gauge automatically switches to Continuous Mode This mode will be of advantage when measuring with the F50 probes The Continuous Mode will be indicated by 3 strokes flashing in the area of the measuring unit µm mm cm Readings beyond the measuring range will be indicated by 3 steady strokes After the gauge has been switched on the display will show INF and Sensor in Air Hold the sensor away f...

Page 38: ...or type N08Cr using a special calibration foil 1 The two point calibration according to section 7 3 must be used 2 Only use the special calibration foil for chrome on copper 7 13 Sensor CN02 The CN02 is a flat probe for use on even surfaces Only one point calibration using one calibration foil is required 1 To measure the thickness of copper laminates or copper foil 2 Press the CAL key to initiali...

Page 39: ... old ones It is up to the operator to decide if two different calibrations are permissible for one series of measurements This method can be used to store a series of measurements in various BATCH groups of any one APPL memory line in succession even if these have different calibrations Note Only the last recalibration will become valid Any previous calibration within the same APPL memory line wil...

Page 40: ...ed test sample to produce the mean value 𝑥 m The difference between the two mean values is the mean coating thickness 𝑥 eff over the peaks The greater standard deviation σ of the two values 𝑥 m and 𝑥 0 should also be taken into consideration 𝑥 eff 𝑥 m 𝑥 0 σ 7 15 3 Method B roughness Rz 20µm Carry out a zero calibration of 10 readings on a shot blasted uncoated sample Then carry out a foil calibrat...

Page 41: ...excluded Measuring sequences can be evaluated according to different statistical principles allowing a significant evaluation of each sequence Setting limits facilitates to monitor during measurement process if the workpiece still adheres to allowable tolerance Provided limits were set an acoustic signal is triggered each time a thickness value outside these 8 2 Offset The offset function allow au...

Page 42: ... 4500 two different statistical programs are available single value statistics and block value statistics DIN 50982 Within the APPL BATCH memory system siehe Section 3 calculates statistics from a maximum of 100 series of readings while MiniTest 4100 is able to calculate statistics from as much as 500 measuring series In total a maximum of 10 000 single values can be stored Single value statistics...

Page 43: ...ar 3 To continue a series of measurements in DIRECT mode after the gauge had been switched off simply switch the gauge on again and continue to take readings Working in APPL BATCH mode IF necessary press APPL key to activate the APPL BATCH mode The number of the previously activated APPL BATCH memory is displayed If necessary select another APPL BATCH memory see Section 3 4 1 To delete a measuring...

Page 44: ...ed or displayed as follows 1 Displaying statistics Each time the STATS key is pressed the statistical values will appear in the following n number of readings 𝑥 Mean σ SdtDev v Var Maximum Minimum Cp Cpk 2 Visualize single readings Display the statistical menu by pressing the key Stats during measurements The arrow keys or allow to scroll through the single readings of a series of measurements The...

Page 45: ...arrow keys or allow to scroll through the single readings of a series of measurements The gauge will display a sequential number of blocks 1 2 the active measuring principle Fe or NFe and the corresponding block value 𝑥 and as well as alternately the standard deviation σ of the block 3 Complete print out of measuring and statistical values Press and hold Stats Send key If the gauge is connected to...

Page 46: ...9 4 Deleting a series of measurements including limits and statistics within an APPL BATCH memory Example APPL BATCH Gruppe 03 02 Calibration values are not deleted 1 Press the BATCH key and select a BATCH no using the arrow keys see Section 4 6 2 Press CLEAR key and hold A short bleep confirms deletion Batch xx flashes and indicates that the APPL BATCH group is vacant ATTENTION All measuring valu...

Page 47: ... APPL memory Example in memory 2 1 2 2 2 3 2 99 1 Press APPL and use arrow keys to select an APPL no see section 3 4 For example 2 5 is displayed 2 Press CLEAR and hold An acoustic signal confirms deletion An APPL no flashing indicates a free application memory 9 7 Total Reset A Total Reset deletes all measuring series including readings calibration limits and statistical values in all APPL BATCH ...

Page 48: ... printing function is inactive the error message E 18 and BT DEVICE NOT FOUND is displayed Data transmission is indicated by and the display message Send printer If the error message BT DEVICE NOT FOUND is displayed check the Bluetooth configuration of the printer If the error message BT CONNECTION FAIL is displayed check the battery level the paper and the configuration of the printer 10 2 Data t...

Page 49: ...g MIniTest 4500 The data format CSV implies Comma separated values and describes the structure of a text file for storage or exchange of data with a simple structure This data format can be read by common spreadsheet programs as for example Microsoft Excel Numbers for Mac OS X or Calc OpenOffice Spreadsheet applications allow to clearly list individual statistical values process present and re mem...

Page 50: ... returns to measuring mode 11 1 2 LCD Segment Test This test allows to show and check all segments of the LC display 1 MiniTest ausgeschalten 2 Press and hold then press ON OFF key All available segments are displayed Press OK key to quit the test and return to measuring mode 11 2 Gauge configuration Various parameters of the gauge can either be set before the first use or or when necessary Press ...

Page 51: ... with activated keypad illumination increases the power consumption thus reducing the battery lifetime In case of low battery level the gauge will automatically switch off the keypad illumation 11 2 4 Acoustic signal The parameter SOUND activates or deactivates the acoustic signal confirming each measuring value and key actuation with the settings ON and OFF 11 2 5 Time and date stamp The paramete...

Page 52: ...irect output via an interface see section 11 2 18 Set the data transfer in continuous mode to automatic transfer in parameter AUTO LOGGING If the parameter is set to OFF data is only transferred manually either by pressing the OK key or actuating the footswitch optional accessory The settings 1 SEC 2 SEC 5 SEC 10 SEC and 20 SEC activate and define the transfer rate to the statistics and data memor...

Page 53: ...Optional alarm output Setting of signal length for readings below limits The parameter ALARM LO LIMIT sets the signal length for a measuring value exceeding the lower preset limit see section 11 2 13 11 2 16 Configuration of the optional foot switch In continuous mode measuring values are only logged to the memory when either the OK key is pressed or an external switch contact foot switch is actua...

Page 54: ...19 Format of logged measuring values The parameter DATA STORAGE defines the data format of the measuring values looged to the memory NOTE This parameter can only be set before a first reading had been taken i e after delivery or after a total reset In factory setting measuring values are stored in µm using a point as decimal separator 10 2 Fe 06 06 18 14 46 39 484 5 Fe 06 06 18 14 46 42 The decima...

Page 55: ...F using the arrow keys or and open the settings with the OK key Adjust the switch off interval using the arrow keys or and confirm the setting by pressing the OK key The following options are available 1 3 10 30 minutes or permanent operation no automatic switch off 11 2 23 SYSINFO This parameter serves to visualize identification data of the unit Please inform this data to your service contact in...

Page 56: ...2 3 4 5 6 7 11 COLOR HI LIMIT NONE 1 2 3 4 5 6 7 12 COLOR LO LIMIT NONE 1 2 3 4 5 6 7 13 ALARM READING TIME OFF 50ms 100ms 150ms 200ms 250ms 300ms 350ms 400ms CONTINUOUS 14 ALARM HI LIMIT OFF 50ms 100ms 150ms 200ms 250ms 300ms 350ms 400ms CONTINUOUS 15 ALARM LO LIMIT OFF 50ms 100ms 150ms 200ms 250ms 300ms 350ms 400ms CONTINUOUS 16 FOOTSWITCH MODE SAVE DELETE 17 BLUETOOTH PRINTER 18 DATA OUTPUT USB...

Page 57: ...HOUR MINUTE YEAR MONTH DAY 7 UNIT AUTO µm FIX µm FIX mm FIX cm AUTO mils FIX mils FIX inch 8 COLOR READING NONE 1 2 3 4 5 6 7 9 ALARM READING OFF 50ms 100ms 150ms 200ms 250ms 300ms 350ms 400ms CONTINUOUS 10 FOOTSWITCH MODE SAVE DELETE 11 DATA OUTPUT USB RS232 OFF 12 DATA STORAGE COMMA µm DOT µm COMMA mils DOT mils OFF 13 SENSOR INIT 14 POWER SUPPLY BATTERY ACCUMULATOR 15 POWER OFF 1 MIN 5 MIN 10 M...

Page 58: ... possible to connect several items simultaneously RS 232C cable Foot switch In order to transfer data to the memory when working in measuring mode continuous see section 11 2 16 The multifunction output with an RS232 compatible interface a footswitch input for connecting a footswitch or external switch contact an alarm output for connection of an optical or acoustic warning device Electrical conne...

Page 59: ...ensure their maximum capacity This procedure is also recommended to restore the full capacity of used rechargeable batteries If the MiniTest will not be used a longer period of time remove the NiMH batteries before storing the gauge Please note that even if the gauge is switched off a faint current will flow which as a consequence will lead to deep discharge after some time Deep discharge might de...

Page 60: ...oPhysik MiniTest 2500 MiniTest 4500 60 of 73 13 2 Maintenance Generally no maintenance work is required for doating thickness gauges of the MiniTest 4500 series Note Repairs may only be carried out by authorized ElektroPhysik staff ...

Page 61: ... Zero and up to 4 calibration points Calibration through coating if the base material is not accessible CTC Offset function For addition or subtraction of a constant value to from a reading Limit settings user definable with monitoring function Optical and acoustical alert when a limit is exceeded Measuring units μm mm cm mils inch Data interface USB USB and Bluetooth 4 0 Power supply 3 x AA LR06 ...

Page 62: ...0 1 µm 1 of reading 1 µm 1 5 mm 10 mm Ø 5 mm 0 5 mm Ø 15 x 92 F3 0 3000 µm 0 2 µm 1 of reading 1 µm 1 5 mm 10 mm Ø 5 mm 0 5 mm Ø 15 x 92 F1 6 90 Internal tube sensor 0 1600 µm 0 1 µm 1 of reading 1 µm flat 6 mm Ø 5 mm 0 5 mm 8 x 11 x 180 F1 6P Powder probe 0 1600 µm 0 1 µm 3 v Messwert 1 µm Only on flat srufaces Ø 30 mm F 0 5 mm N 0 5 mm Ø 21 x 89 F2 90 Internal tube sensor 0 2000 µm 0 2 µm 1 of r...

Page 63: ... 0 2 mm 50 µm Ø 16 x 99 N 1 6 0 1600 µm 0 1 µm 1 of reading 1 µm 1 5 mm 10 mm Ø 5 mm 50 µm Ø 15 x 22 N1 6 90 internal tube sensor 0 1600 µm 0 1 µm 1 of reading 1 µm flat 6 mm Ø 5 mm 50 µm 8 x 11 x 180 N2 90 internal tube sensor 0 2000 µm 0 2 µm 1 of reading 1 µm flat 6 mm Ø 5 mm 50 µm 8 x 11 x 180 N10 0 10mm 10 µm 1 of reading 25 µm 25 mm 100 mm Ø 50 mm 50 µm Ø 60 x 50 N20 0 20 mm 10 µm 1 of readi...

Page 64: ... x 89 FN 1 6 90 internal tube sensor 0 1600 µm 0 1 µm 1 of reading 1 µm flat 6 mm Ø 5 mm F 0 5 mm N 50 µm 8 x 11 x 180 FN2 90 internal tube sensor 0 2000 µm 0 2 µm 1 of reading 1 µm flat 6 mm Ø 5 mm 0 5 mm 8 x 11 x 180 1 referring to multi point calibration using ElektroPhysik standards in laboratory conditions 2 bei Zero Calibration sowie der Calibration auf einer Schicht in der Nähe der zu erwar...

Page 65: ...ignon 14 3 4 Interchangeable sensors for MiniTest 2500 4500 Description Part no Sensor for non magnetic coatings on magnetic steel also on steel alloys and hardened steel magnetic induction principle F05 80 0A0 1202 F 1 6 80 0A1 1603 F 2 probe for high temperatures up to 250 C 80 0A1 1202 F 2 probe for high temperatures up to 350 C 80 0A1 1302 F3 80 0A1 1403 F 1 6 90 80 0A4 1200 F 2 90 80 0A4 1300...

Page 66: ...AA LR6 1 5V 3 pieces required 02 064 0008 Precision support for stable probe positioning on small objects 80 900 0220 Adaptor to connect sensor F 05 to precision support 80 900 0233 Foot switch 80 901 1700 Precision standards see separate list MSoft 7000 basic Data transfer software 80 901 1600 Manufacturers certificate according to DIN 55350 M for coating thickness gauge MiniTest 2500 4500 incl o...

Page 67: ...ngs or when measuring on very soft material E 5 Sensor too close to metal when gauge was switched on E 6 Battery voltage low E 11 Data memory saturated E 12 Zero calibration not permitted E 13 CTC calibration not permitted E 14 2 point calibration using two calibration foils calibration not permitted E 15 1 point calibration not possible after CTC calibration E 16 The application selected is alrea...

Page 68: ... of a list is the square of the standard deviation of the list that is the average of the squares of the deviations of the numbers in the list from their mean divided by the number of readings minus 1 1 var 2 n x x Standard deviation s s sigma The sample standard deviation is a statistic that measures how dispersed the sample is around the sample mean The sample standard deviation increases with i...

Page 69: ...nded by the manufacturer of gauge Connect only to compatible peripheral devices Connecting other devices If you connect the gauge to another device please refer to the corresponding instructions manual for detailed information on safety issues Do only connect original accessories recommended by the manufacturer of the MiniTest 4500 series Keep away from water The measuring unit is not waterproof K...

Page 70: ...ollowing EU directive 2014 30 EU Electromagnetic compatibility dated 26th February 2014 2014 53 EU RED dated 16th April 2014 2011 65 EU RoHS dated 8th June 2011 2012 19 EU WEEE dated 4th July 2012 registration number 66544799 15 5 Return of used equipment In order to comply with the European Directive on Waste Electrical and Electronic Equipment 2012 19 EU WEEE dated 4th July 2012 implemented thro...

Page 71: ... repair instructions Please note that the gauge should only be repaired by authorized skilled and trained personnel Service attempts by untrained personnel could cause extensive damage to the gauge and possibly void any and all warranties Please retain original packing for returning the gauge in case of repair For more detailed information on the use applications service or technical data please c...

Page 72: ...16 Change history ElektroPhysik MiniTest 2500 MiniTest 4500 72 of 73 16 Change history This section includes changes if any ...

Page 73: ...ta output to interface 54 Date 51 Display 51 Illumination 51 First operation 10 First use 50 Identification data 55 Initialization 50 ISO 71 Limits 41 Mean value 68 Measurement 20 Measuring mode 10 24 Measuring principle 20 44 45 65 Measuring units 52 Measuring values 24 52 68 Memory 17 Offset 41 Operating elements 12 Permanent operatoin 55 Precision standard 24 26 Readings 50 Rechargeable batteri...

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