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11. Cleaning and Maintenance

11.1 Cleaning

Make sure the F200 is disconnected from the mains supply before cleaning.

Clean the outside of the instrument with a soft, clean cloth dampened with mild detergent. Do not

allow water to enter the instrument.

WARNING:

Never use alcohol or thinners as these will

damage the instrument.

Never use a hard or abrasive brush.

11.2 Preventive Maintenance

WARNING:

Inspect the mains supply cable regularly

to ensure that insulation is not damaged.

11.3 General Safety Warning

WARNING:

If the F200 is used in a manner not

specified by ASL, then the protection provided by the

instrument may be impaired.

F200-14-001

Page

11-1

ASL 2003

Содержание F200

Страница 1: ...Precision Thermometer F200 Issue 3 Operator s Handbook Smart Probe Editor Handbook Firmware Download Quick Start Guide Smart Probe Editor Software Smart Probe Conversion Kit Visit the ASL web site ...

Страница 2: ...the button below and follow the instructions on screen After you have successfully downloaded the self extracting files to your computer you must ensure that your F200 is connected to a computer using the correct RS232 cable which must be a 9 way female to 9 way female null modem type You will require a user name and password Contact the sales office for more information ASL F200 Visit the downloa...

Страница 3: ... this can be changed to your own password using any terminal program via the RS232 interface THE MENU Subsequent pressing of the MENU button will cycle the main menu through the top level menu enabling you to configure your F200 Review Edit Probe Calibration allows you to review probe calibration and edit probe coefficients F200 provides 3 standard algorithms for converting resistance to temperatu...

Страница 4: ...be is attached Remains when probe is re calibrated Calibration House Enter resistor value Probe Serial No REVIEW EDIT Probe Calibration REVIEW SMART probe data OPTIONS Calibration Communicate Firmware version STATISTICS Max Min Ch1 Ch1 Ch1 Ch1 Ch1 Coef Ap 3 908300e 03 Coef Ap 3 908300e 03 Password 0000 A Din Ap Ap A PRT PRT PRT PRT PRT Review B B Din Din Din Its90 Its90 Edit C Its90 Bp Bp C R0 CvD...

Страница 5: ...C via the F200 serial communication port using the ASL Smart Probe Editor software Lock 0 Probe unlocked data can be modified Lock 1 Probe locked data cannot be modified Smart Probe Calibration Supervisor To assist in maintaining a valid calibration the instrument checks the Smart Probes next calibration date and compares it with the instruments current date If the smart probe date is found to hav...

Страница 6: ...e SENSe FRTD RANGe Store the Smart Probe working range minimum value range 0 to 400 ohms Max working range SENSe FRTD RANGe Store the Smart Probe working range maximum value range 0 to 400 ohms Min since last cal Record the minimum value the smart probe exceeded outside its working range since it was last calibrated automatically reset when the Smart Probe is wiped Max since last cal Record the ma...

Страница 7: ...ion keys 3 2 1 Wipe Probe 3 2 2 Read Probe 3 2 3 Write to Probe 3 2 4 Save to File 3 2 5 Read File 3 2 6 Print Report 3 2 7 Help 3 2 8 About 3 2 9 Close 3 3 System 3 4 Probe Control 4 5 Working Range 4 6 Coefficients 5 7 Calibration 6 8 Please Enter Calibration certificate 7 SMP 14 001 1 Issue 1 ...

Страница 8: ... Probe Editor Select Programs from the system Start menu Select Smart_Probe_Editor from the list of applications shown Click on Smart_Probe_Editor to run the utility The welcome screen will appear briefly followed by the control panel SMP 14 001 2 Issue 1 ...

Страница 9: ...tings from a selected file 2 6 Print Report Prints the smart probe editor settings to a printer 2 7 Help How to use the smart probe editor 2 8 About Smart probe editor manufacture and software version 2 9 Close Close the application 3 System Comm Port Select the serial communication port the instrument is connected to System ID On the first communication the field displays the instrument identific...

Страница 10: ...al Displays the minimum value the smart probe exceeded outside its working range since its last calibration automatically reset each time the smart probe is written to Max since last cal Displays the maximum value the smart probe exceeded outside its working range since its last calibration automatically reset each time the smart probe is written to Min ever Displays the minimum value the smart pr...

Страница 11: ...d Coefficients Din 200 C to 850 C R0 A B C CvD 200 C to 850 C R0 A B C ITS90 83 8058K to 273 16K R0 01 An Bn ITS90 273 15K to 961 78 C R0 01 Ap Bp Cp Dp Wt ITS90 273 15K to 660 323 C R0 01 Ap Bp Cp ITS90 273 15K to 419 527 C R0 01 Ap Bp ITS90 273 15K to 231 928 C R0 01 Ap Bp ITS90 273 15K to 156 59865 C R0 01 Ap ITS90 273 15K to 29 7646 C R0 01 Ap ITS90 234 3156K to 29 7646 C R0 01 Ap Bp SMP 14 00...

Страница 12: ...ogram is launched Next Date Enter the date the smart probe next calibration date is due DD MM YYYY Source Enter name of the company responsible for the smart probe calibration 20 characters maximum Calibration History Displays the calibration history after reading the selected smart probe Calibration history can only be cleared by the Wipe Probe function SMP 14 001 6 Issue 1 ...

Страница 13: ...rtificate The following data is not stored in the smart probe but is included for reference in the printed report Probe Type Enter the smart probe type eg T100 450 Certificate Number Enter the smart probe calibration certificate reference number SMP 14 001 7 Issue 1 ...

Страница 14: ...plate 3 4 4 OPERATING THE F200 4 1 4 1 Instrument operating mode 4 1 4 1 1 Temperature Measurement Mode 4 1 4 1 2 Configuration Mode 4 2 4 1 3 Setting up Temperature measurement 4 3 4 1 4 Statistics 4 5 4 1 5 Options 4 5 4 1 6 Smart Probe review 4 6 4 1 7 Real Time Clock 4 7 4 1 8 Display Brightness 4 7 5 INSTRUMENT MEASUREMENT RANGE 5 1 5 1 Instrument measurement working range 5 1 5 2 Open Circui...

Страница 15: ...mands 8 5 8 4 1 SYSTem REMote 8 5 8 4 2 SYSTem LOCal 8 5 8 4 3 IDN 8 5 8 4 4 CAL DATE year month day 8 6 8 4 5 CAL DATE 8 6 8 4 6 CAL NEXTDATE year month day 8 6 8 4 7 CAL NEXTDATE 8 6 8 4 8 System Command Summary 8 7 8 5 Measurement Command Group 8 8 8 5 1 CONFigure CHANnel channel 8 8 8 5 2 CONFigure 8 8 8 5 3 FETch 8 8 8 5 4 READ 8 9 8 5 5 MEASure Command 8 9 8 5 6 MEASure CHANnel channel 8 9 8...

Страница 16: ... 13 SENSe FRTD STANdard 8 18 8 9 14 SENSe FRTD COEFficient coefficient value 8 19 8 9 15 SENSe FRTD COEFficient coefficient 8 19 8 9 16 SENSe FRTD IDENtification identification 8 19 8 9 17 SENSe FRTD IDENtification 8 20 8 9 18 SENSe FRTD RANGe rmax rmin 8 20 8 9 19 SENSe FRTD RANGe 8 20 8 9 20 SENSe FRTD LOCK 8 21 8 9 21 SENSe FRTD LOCK 8 21 8 9 22 Command summary 8 21 9 OPTIONS AND ACCESSORIES 9 ...

Страница 17: ...Contents This page is intentionally left blank Page 1 4 F200 14 001 ASL 2003 ...

Страница 18: ...0 C 2 C equivalent to temperature measurement precision of 10mK for Pt100 thermometers Total system measurement uncertainties as low as 15mK are possible when the F200 is used with a calibrated reference thermometer Overall system accuracy depends on the PRT quality and calibration 1 2 Definitions and Terminology i 0 C 273 15 K ii 1 mK milli Kelvin 0 001 C one milli degree Celsius iii 1 milli degr...

Страница 19: ...average value thereby cancelling any thermal EMF offsets from the measurement For PRTs the relationship between resistance and temperature varies slightly from one PRT to another Therefore no matter how accurately the F200 measures the PRT resistance if the relationship between resistance and temperature for a particular PRT is not known accurate temperature measurement is not possible The F200 us...

Страница 20: ...k the F200 thermometer check that the following items are present before starting to use the unit 1x F200 precision thermometer 1x AC power cord 1x Quick start guide 1x Operator s handbook on CD 1x Calibration certificate Please contact the ASL Technical Services Group immediately if any of these items are missing or damaged F200 14 001 Page 2 1 ASL 2003 ...

Страница 21: ...Setting up the F200 This page is intentionally left blank Page 2 2 F200 14 001 ASL 2003 ...

Страница 22: ...splay screen The large graphic VFD display screen is your direct link to the instrument presenting you with information or menus that prompt you on what to do next 3 3 The Front Panel keypad The instrument keypad consists of five Function keys and three Menu keys In Temperature Measurement Mode the function keys are use to directly control the measurement operation of the instrument F200 14 001 Pa...

Страница 23: ... measurement ChA ChB Relative measurement function displays the difference between selected ChA and ChB inputs Setting up Measurement Options ZERO Measurement display zero function Nulls the display at the current reading and displays measured values relative to the nulled value HOLD Measurement run hold Display hold trigger continuous measurement or hold UNIT Measurement units Selects measurement...

Страница 24: ...he selected input channel is interrogated before each measurement cycle smart probes are identified by s on the bottom left hand corner of the display passive probes are identified by a dot Open circuit thermometer input channels will be reported as No Probe Pt100 1 I V Shield I V 2 3 4 5 PRT CONNECTION 4 WIRE 5 pin DIN connector viewed from top panel Figure 3 4 1 4 Wire Passive PRT input connecti...

Страница 25: ...ty ground to maintain this safety the instrument must be grounded 3 5 2 Rating plate Instrument rating plate contains the AC voltage range operating supply frequency range the instrument maximum power consumption and instrument serial number 3 5 3 Supply On Off Switch The supply switch is used to switch the instrument On or Off Switching the supply Off does not is isolate the instrument to isolate...

Страница 26: ...tically configure for Ch1 Ch2 measurement Instruments with more then two input channels will display the differential channel selection menu Select the required ChA and ChB input channels using the appropriate soft key increment channel number decrement channel number ChA x ChB y On completion of selecting the required channel numbers press Enter The selected channel numbers are displayed on the m...

Страница 27: ...guration mode press the Menu key The instrument menu structure for ease of use is arranged as a series of top level menu s leading to a series of sub menu s To cycle through the top level menus repeatedly press the Menu key To select the required sub menu press the appropriate soft key To exit a sub menu and return to temperature measurement mode press the Menu key 4 1 2 1 Top level menu Chx PRT D...

Страница 28: ...nnel 4 1 3 3 Temperature conversion algorithm The instrument provides three standard algorithms for converting resistance to temperature The choice will depend on the type of PRT and its calibration Din 1992 used for un calibrated industrial PRTs with 0 00385 alpha value to provide a conversion of resistance to temperature in accordance with BS EN60751 ITS 90 standard CvD coefficients Callendar Va...

Страница 29: ...temperature option menu will be displayed Chx PRT Din Din ITS90 CvD Select the temperature conversion method using the appropriate soft key the coefficient selection edit menu will be displayed Chx PRT Din A B C R0 Select the required coefficient to edit using the appropriate soft key the coefficient edit menu will be displayed Coef A 3 908300e 03 Press the or soft key to move the flashing cursor ...

Страница 30: ... cleared when the units are changed and at power on 4 1 5 Options From the Options menu you can select to calibrate the instrument set the RS232 communication talk only mode or review the model number firmware version and instrument serial number Options Cal Com Ver Select the Options menu using the Menu key 4 1 5 1 Calibrate the instrument Refer to Section 6 to calibrate the instrument 4 1 5 2 Ta...

Страница 31: ...tection state 0 smart probe data locked can not be changed from the instrument 1 smart probe data unlocked can be changed from the instrument Cal type Selected method of resistance to temperature conversion algorithm to use Din ITS90 or CvD The temperature conversion coefficients can be reviewed from the channel set up menu Cal date dd mm yyyy Due date dd mm yyyy Cal date Date of the smart probe c...

Страница 32: ...ey to save the new date and return to the real time clock menu Press the Menu key to exit configuration mode and return to measurement mode 4 1 7 2 Time Setting Time hh mm ss Select the Time soft key the time edit menu showing the current time will be displayed Press the or soft key to move the flashing cursor to the required digit Press the or soft key to decrement or increment the flashing digit...

Страница 33: ...Operating the F200 This page is intentionally left blank Page 4 8 F200 14 001 ASL 2003 ...

Страница 34: ...t probes are reported as No Probe on the display and over the communication interface Over Range measurements are reported as O_Range on the display and over the communication interface Under Range measurements are reported as U_Range on the display and over the communication interface 5 3 Measurement Range Measurement Units Conversion Under Range Over Range Units Resistance None 0 410 ohms Din90 ...

Страница 35: ...Smart Probes This page is intentionally left blank Page 5 2 F200 14 001 ASL 2003 ...

Страница 36: ...mart probe has a built in data Lock If the data lock is set the smart probe data cannot be modified The state of the data Lock can only be changed from a PC via the F200 serial communication port using ASL Smart Probe Edit software or a standard PC serial communication terminal program Lock 0 Probe unlocked data can be modified Lock 1 Probe locked data cannot be modified 6 4 Smart Probe Calibratio...

Страница 37: ...tore the smart probe data format for use in maintaining future compatibility Probe ID SENSe FRTD IDENtification Store the smart probe identification number 20 characters maximum Conversion Standard SENSe FRTD STANdard Store the required resistance to temperature conversion method Din CvD or ITS90 Coefficient Ap Bp Cp Dp R0 01 Wt An Bn SENSe FRTD COEFficient Store the required coefficient for use i...

Страница 38: ...outside its working range during its working life automatically reset when the smart probe is wiped Max ever Record the maximum value the smart probe exceeded outside its working range during its working life automatically reset when the smart probe is wiped Date SENSe FRTD CAL DATE Store the date the smart probe was calibrated DD MM YYYY Next Date SENSe FRTD CAL NEXT Store the date the smart prob...

Страница 39: ...Smart Probes This page is intentionally left blank Page 6 4 F200 14 001 ASL 2003 ...

Страница 40: ...e operator Instrument out Of Calibration Press the No soft key to continue if you do not wish to calibrate the instrument Calibration Now Yes No Press the Yes soft key to enter the instrument calibration menu the password enter menu will be displayed 7 2 Equipment Temperature controlled environment at 20 C 2 C Calibrated 400 ohm 10 ohm reference resistor at 1 ppm accuracy 7 3 Calibration procedure...

Страница 41: ...attach the reference resistor to input channel 1 Attach Ref OK Cancel Press the OK soft key when the precision reference resistor is connected to channel 1 The instrument will now measure the reference resistor and display its value to the nearest 100 ohm s on the edit menu from the edit menu enter the actual reference resistor value Ref res 400 0000 Press the or soft key to move the flashing curs...

Страница 42: ...l display the Next Calibration date edit Next Date dd mm yy menu with the instrument current date incremented by one year to edit the date Press the or soft key to move the flashing cursor to the required digit Press the or soft key to decrement or increment the flashing digit Press the Enter key to save the new date and return to measurement mode Press the Menu key to exit configuration mode and ...

Страница 43: ...Calibrating the F200 This page is intentionally left blank Page 7 4 F200 14 001 ASL 2003 ...

Страница 44: ...receive another character until the buffer is processed if the PC sends one it may be lost As soon as space becomes available in the receiver buffer RTS is re asserted to allow the PC to send the next character When the instrument detects receipt of a command terminator character RTS is negated whilst the command line buffer is read and validated This is to prevent the PC sending further character...

Страница 45: ...intain EMC integrity A 5 wire TXD RXD GND RTS CTS cross over cable is recommended A 3 wire connection TXD RXD GND is not recommended but may be implemented by connecting RTS and CTS together at the instrument end In this case the DTE must not send characters too quickly as this will cause the instrument receive buffer to overflow leading to lost data 8 3 RS 232 Settings The RS232 serial interface ...

Страница 46: ...anel keys are locked out To enable Remote mode the instrument must first be set for Remote mode operation 8 3 3 Power up state Talk only mode State recalled from instrument none volatile memory Remote mode Off 8 3 4 Communication protocol Baud rate fixed at 9600 Data bits 8 Stop bit 1 Start bit 1 Parity none 8 3 5 Programming command syntax The programming command language is based on the SCPI com...

Страница 47: ...ument must be terminated with a carriage return CR character It is permitted to send CR LF to terminate a message the LF is ignored 8 3 9 Input Buffer The instrument receives messages into an input buffer and only starts executing commands after receipt of a command terminator 8 3 10 Output Data Format Non reading queries 80 ASCII character string Reading Temperature SDDDD DDD CR LF Resistance SDD...

Страница 48: ... Hold mode 8 4 2 SYSTem LOCal Command SYST LOC SYSTEM LOCAL Return None Function Return the instrument to local mode Remove rem from the instrument display Enable the instrument front panel keys Set the instrument in Hold mode 8 4 3 IDN Command IDN Return manufacturer model no serial no firmware version Parameters manufacture ASL model no F200 serial no Serial number of the instrument firmware ver...

Страница 49: ...ment calibration date 8 4 6 CAL NEXTDATE year month day Command CAL NEXTDATE year month day Parameters year 4 digit numerical string month 1 to 12 for month day 1 to 7 for day Return 203 Password protected Protection Password protected command Function Enter the instrument next calibration date At power up this date is compared with the instrument current date to determine if the instrument calibr...

Страница 50: ...m PASSword NEW Change the system password SYSTem BEEPer IMMediate Sounds a single beep immediately SYSTem TIME Sets the internal clock time SYSTem TIME Queries the internal clock time SYSTem DATE Sets the internal clock date SYSTem DATE Queries the internal clock date CAL DATE Sets the instrument calibration date CAL DATE Queries the instrument calibration date CAL NEXTDATE Sets the instrument nex...

Страница 51: ...et the instrument to Hold 8 5 2 CONFigure Command CONF CONFIGURE Return channel standard Parameters channel 1 to 8 single channel measurement Chx Chy differential measurement mode standard 1 Din90 EN60751 2 CvD 3 ITS90 Function Query the current selected channel and its configuration 8 5 3 FETch Command FET FETCH Return channel measurement units Parameters channel 1 to 8 single channel measurement...

Страница 52: ...ment is performed with the result being sent to the output buffer 8 5 6 MEASure CHANnel channel Command MEAS CHAN channel MEASURE CHANNEL channel Parameters channel 1 to 8 single channel measurement Chx Chy differential measurement mode Return channel measurement units Parameters channel 1 to 8 single channel measurement X Y differential measurement mode measurement last measurement value units cu...

Страница 53: ... CEL Degrees Celcius F or FAR Degrees Fahrenheit K Degrees Kelvin R Resistance Return None Function Set the global temperature units Clear the last measurement from the display 8 6 2 UNIT TEMPerature Command UNIT TEMP UNIT TEMPERATURE Return units Parameters units C or CEL Degrees Celcius F or FAR Degrees Fahrenheit K Degrees Kelvin R Resistance Function Query the global temperature units Page 8 1...

Страница 54: ...Abort the current measurement cycle Clear the last measurement from the display Clear the input and output buffers Set the trigger mode to single shot Set the instrument to Hold 8 7 3 TRIGger MODE mode Command TRIG MODE mode TRIGGER MODE mode Parameters mode SINGle Single shot trigger mode INFinite Infinite trigger mode Run Hold Return None Function Set the trigger mode to single shot measurement ...

Страница 55: ...ASS CEN password SYSTEM PASSWORD CENABLE password Parameters password 4 digit numerical string Return 221 incorrect password sent Function Allow the password protected data to be modified 8 8 3 SYSTem PASSword CDISable password Command SYST PASS CDIS password SYSTEM PASSWORD CDISABLE password Parameters password 4 digit numerical string Return 221 incorrect password sent Function Prevent the passw...

Страница 56: ...ound a single beep immediately 8 8 7 SYSTem TIME hour minute second Command SYST TIME hour minute second SYSTEM TIME hour minute second Parameters hour 0 to 23 set hours minute 0 to 59 set minutes second 0 to 59 set seconds Return None Function Set the system calendar clock time value The instrument uses the 24 hour clock format 8 8 8 SYSTem TIME Command SYST TIME SYSTEM TIME Return hour minute se...

Страница 57: ...g month 1 to 12 set minutes day 1 to 7 set seconds Return None Function Set the system calendar clock date value 8 8 10 SYSTem DATE Command SYST DATE SYSTEM DATE Return year month day Parameters year 4 digit numerical string for year month 1 to 12 for month day 1 to 7 for day Function Query the system calendar clock date value Page 8 14 F200 14 001 ASL 2003 ...

Страница 58: ...e ZERO AUTO Command SENS ZERO AUTO SENSE ZERO AUTO Return mode Parameters mode 1 Auto zero mode ON 0 Auto zero mode OFF Function Query the auto zero mode 8 9 3 SENSe FRTD CAL DATE year month day Command SENS FRTD CAL DATE year month day SENSE FRTD CALIBRATION DATE year month day Parameters year 4 digit numerical string month 1 to 12 for month day 1 to 7 for day Return 203 Password protected 222 No...

Страница 59: ...D CALIBRATION NEXT year month day Parameters year 4 digit numerical string month 1 to 12 for month day 1 to 7 for day Return 203 Password protected 222 No smart probe detected Protection Password protected command Function Enter the next calibration date to the selected smart probe 8 9 6 SENSe FRTD CAL NEXT Command SENS FRTD CAL NEXT SENSE FRTD CALIBRATION NEXT Return year month day 222 No smart p...

Страница 60: ...ed Protection Password protected command Function Save the calibration source reference code to the selected smart probe 8 9 9 SENSe FRTD CAL SOURce Command SENS FRTD CAL SOUR SENSE FRTD CALIBRATION SOURCE Return source 203 Password protected 222 No smart probe detected Parameters source 20 byte maximum ASCII string Protection Password protected command Function Query the calibration source refere...

Страница 61: ... CvD 3 ITS90 Return None Protection Password protected command Function Set the selected channel temperature conversion method Smart probe input save to smart probe None smart probe input save to instrument internal channel configuration 8 9 13 SENSe FRTD STANdard Command SENS FRTD STAN SENSE FRTD STANDARD Return standard Parameters standard 1 Din90 EN60751 2 CvD 3 ITS90 Function Query the selecte...

Страница 62: ...SENS FRTD COEF coefficient SENSE FRTD COEFFICIENT coefficient Parameters coefficient Ap Bp Cp Dp R0 Wt An Bn or all Return value Scientific notation to six decimal places eg 3 908300e 03 R0 as a decimal to six decimal places eg 100 123456 Function Query the selected input channel specified coefficient value Smart probe input query the smart probe None smart probe input query the instrument interna...

Страница 63: ... 0 to 400 ohm s Return 203 Password protected 222 No smart probe detected Protection Password protected command Function Enter the working range of the selected smart probe 8 9 19 SENSe FRTD RANGe Command SENS FRTD RANG SENSE FRTD RANGE Return rmax rmin smart probe working range rmax rmin recorded value outside working range since last cal rmax rmin recorded value outside working range ever 222 No...

Страница 64: ...ate Parameters state 0 Smart probe data unlocked 1 Smart probe data locked 222 No smart probe detected Function Query the smart probe data protection lock state 8 9 22 Command summary Measurement command summary Command Description CONFigure CHANnel Select the specified channel CONFigure Query the channel configuration FETCh Fetch a single reading READ Initiate a measurement and fetch a reading ME...

Страница 65: ...FRTD LOCK Query the smart probe data lock state SENSe FRTD CAL DATE Sets the smart probe calibration date SENSe FRTD CAL DATE Queries the smart probe calibration date SENSe FRTD CAL NEXT Sets the smart probe next calibration date SENSe FRTD CAL NEXT Queries the smart probe next calibration date SENSe FRTD CAL HISTory Queries the smart probe calibration date history SENSe FRTD CAL SOURce Sets the c...

Страница 66: ...00 CAL B UKAS system calibration at 70 0 100 450 C FA SC200 Soft carry case EXT C Probe extension cable DIN DIN A range of standard probes are available Order Suffix Description T100 200 1S 100 un calibrated PRT range 50 to 200 C Smart connector T100 200 1S NAM 100 PRT UKAS calibration at 50 to 200 C Smart connector T100 250 1S 100 un calibrated PRT range 50 to 250 C Smart connector T100 250 1S NA...

Страница 67: ...Options and Accessories This page is intentionally left blank Page 9 2 F200 14 001 ASL 2003 ...

Страница 68: ...ng term stability resistance measurement 25ppm 2 5m year Temperature measurement uncertainty Pt100 Over 200 to 800ºC 0 01ºC Pt100 sense current 1mA DC polarity switchable User selectable measurement display units R ºC ºF K Input channels 2 4 or 8 expandable Input connection 5 pin DIN Measurement configuration 4 wire Input impedance 10M Max common and differential mode input voltage 40VDC 28Vrms 10...

Страница 69: ...stem Accuracy System accuracy is the combined accuracy of the F200 plus the calibration uncertainty of the PRT Accurate figures for the instrument and system with the range of calibrated PRTs available for the F200 are shown below These figures are based on a 1 year measurement uncertainty for the F200 of 4 m which is equivalent to 10mK with PT100 PRT F200 T100 250 1 PRT 50 C to 250 C 50 C 0 C 100...

Страница 70: ...nter the instrument WARNING Never use alcohol or thinners as these will damage the instrument Never use a hard or abrasive brush 11 2 Preventive Maintenance WARNING Inspect the mains supply cable regularly to ensure that insulation is not damaged 11 3 General Safety Warning WARNING If the F200 is used in a manner not specified by ASL then the protection provided by the instrument may be impaired F...

Страница 71: ...Cleaning and Maintenance This page is intentionally left blank Page 11 2 F200 14 001 ASL 2003 ...

Страница 72: ... repair 12 1 Technical Support For all technical support repair warranty and service inquiries please contact Customer Support Group ASL 275 King Henry s Drive New Addington Croydon Surrey CR0 0AE UNITED KINGDOM Telephone 44 0 1689 800799 Fax 44 0 1689 800405 E Mail service aslltd co uk Web Page www aslltd co uk 12 2 Returned Instruments All returned goods should be sent carriage paid insured and ...

Страница 73: ...This page is intentionally left blank Page 12 2 F200 14 001 ASL 2003 ...

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