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74X Series

Calibration Manual

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HART Mode Verification.................................................................................... 29
Calibration ........................................................................................................... 30

Equipment Required for Calibration ............................................................... 30
Calibration Status Indicator ............................................................................. 31
Calibration Constant Out of Bounds ............................................................... 31
Order of Calibration ........................................................................................ 31
How to Calibrate ............................................................................................. 32

Adjustment of Potentiometers ............................................................................. 34
Replaceable Parts................................................................................................. 35
Service Centers .................................................................................................... 36

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Содержание 74X Series

Страница 1: ...umenting Process Calibrator Calibration Manual PN 602505 February 1997 Rev 2 4 99 1997 1998 1999 Fluke Corporation All rights reserved Printed in U S A All product names are trademarks of their respec...

Страница 2: ......

Страница 3: ...ce Temperature Detectors 8 Loop Power Supply 9 Top and Bottom Limits of Ranges with Auto Range On 9 General Specifications 10 Performance Verification Tests 11 Equipment Required for Verification 11 H...

Страница 4: ...cation 29 Calibration 30 Equipment Required for Calibration 30 Calibration Status Indicator 31 Calibration Constant Out of Bounds 31 Order of Calibration 31 How to Calibrate 32 Adjustment of Potentiom...

Страница 5: ...Volts Source Verification Points 18 9 DC Current Source Verification Points 19 10 Simulate Transmitter Verification Points 20 11 Resistance Source Verification Points 21 12 Frequency Source Verificat...

Страница 6: ...74X Series Calibration Manual iv...

Страница 7: ...urce Verification Connections 18 7 DC Current Source Verification Connections 19 8 Simulate Transmitter Verification Connections 20 9 Resistance Source Verification Connections 21 10 Frequency Source...

Страница 8: ...74X Series Calibration Manual vi...

Страница 9: ...designed and tested in accordance with IEC1010 1 and CAN CSA C22 2 No 1010 1 92 Use the calibrator only as specified in this manual otherwise the protection provided by the calibrator may be impaired...

Страница 10: ...pressure module make sure the process pressure line is shut off and depressurized before you connect it to or disconnect it from the pressure module Disconnect test leads before changing to another m...

Страница 11: ...mon jacks together when performing DC and AC measurements DC Voltage Measurement Range Resolution of Reading of Full Scale 1 Year 2 Year 110 mV 1 V 0 025 0 015 0 05 0 015 1 1V 10 V 0 025 0 005 0 05 0...

Страница 12: ...01 f s 2 m C in the ranges 10 to 18 C and 28 to 50 C Common Mode Error 0 005 f s Common Mode Volt Maximum Input Voltage 30V dc Continuity Testing Tone Resistance Continuous tone May or may not get to...

Страница 13: ...mperature Coefficient 0 003 of output 0 003 of f s C in the ranges 10 to 18 C and 28 to 50 C Common Mode Error 0 008 f s Common Mode Volt Maximum Input Voltage 30V dc Specification applies for current...

Страница 14: ...ltage 30V dc Temperature Thermocouples Temperature TCs Type Range C Measure C Source C 1 Year 2 Year 1 Year 2 Year E 250 to 200 1 3 2 0 0 6 0 9 200 to 100 0 5 0 8 0 3 0 4 100 to 600 0 5 0 8 0 3 0 4 60...

Страница 15: ...to 2316 2 0 3 0 1 3 2 0 L 200 to 100 0 6 0 9 0 3 0 4 100 to 800 0 3 0 4 0 2 0 3 800 to 900 0 5 0 8 0 2 0 3 U 200 to 0 0 6 0 9 0 4 0 6 0 to 600 0 3 0 4 0 3 0 4 Sensor inaccuracies not included Accurac...

Страница 16: ...5 200 to 0 0 3 0 5 0 1 0 2 0 to 400 0 5 0 8 0 2 0 4 400 to 630 0 8 1 0 0 4 0 5 1000 Pt 385 200 to 0 0 3 0 5 0 1 0 2 0 to 400 0 5 0 8 0 2 0 4 400 to 630 0 8 1 0 0 4 0 5 10 Cu 427 100 to 0 2 2 1 1 0 to...

Страница 17: ...11V 11 0000V 1 0000V 110V 110 000V 10 000V 300V 300 00V 100 00V Range dc V Source 110 mV 110 000 mV 10 000 mV 1 1V 1 10000V 0 10000V 15V 15 000V 1 1000V Range ohms Measure and Source 11 11 000 0 000 1...

Страница 18: ...next page RF Fields Accuracy for all functions is not specified in RF fields 3 V m Accuracy for thermocouple measurement is not specified in RF fields 1 V m Accuracy for ohms RTD source is not specifi...

Страница 19: ...ended Hewlett Packard 3458A Short jumpers 2 banana type Fluke PN 944632 Test leads 2 sets banana to banana type Fluke TL20 Thermocouple miniplug polarize with type K thermocouple welded to copper wire...

Страница 20: ...force a dual banana plug between any two jacks in the horizontal orientation Doing so will damage the jacks Use the supplied jumper wires P N 944632 You can use a dual banana plug in the vertical ori...

Страница 21: ...99 934 1 1 V 0 mV 0 00006 0 00006 0 00006 0 00006 1 1 V 1 V 0 99970 1 00031 0 99945 1 00056 1 1 V 1 V 1 00031 0 99970 1 00056 0 99945 11 V 0 V 0 0006 0 0006 0 0006 0 0006 11 V 10 V 9 9970 10 0031 9 9...

Страница 22: ...careful to lock the UUT on the specified range 7 When you are finished set the 5500A to Standby Table 4 AC Volts Measurement Verification Points UUT Range Input RMS Frequency Minimum 1 2 Year Maximum...

Страница 23: ...ontinue through the test points being careful to lock the UUT on the specified range 7 When you are finished set the 5500A to STANDBY TC mA mA V V RTD RTD SOURCE 300V MAX 30V MAX 30V MAX 30V MAX MEAS...

Страница 24: ...ed range 7 When you are finished set the 5500A to STANDBY TC mA mA V V RTD RTD SOURCE 300V MAX 30V MAX 30V MAX 30V MAX MEAS CAT 20V PK MAX HI LO TC TRIG OUT 1000V RMS MAX 20V RMS MAX 1V PK MAX 20V PK...

Страница 25: ...e test points using the 20 Hz range of the UUT 7 When you are finished set the 5500A to STANDBY TC mA mA V V RTD RTD SOURCE 300V MAX 30V MAX 30V MAX 30V MAX MEAS CAT FLUKE 74X 20V PK MAX HI LO TC TRIG...

Страница 26: ...the cbutton on the UUT twice to set the Source function to off This saves battery life SENSE INPUT HI LO GUARD HI LO HP3458A TC mA mA V V RTD RTD SOURCE 300V MAX 30V MAX 30V MAX 30V MAX MEAS CAT FLUK...

Страница 27: ...Continue through the test points verifying compliance to specifications 6 When you are finished press c twice on the UUT to set the Source function to off This saves battery life TC mA mA V V RTD RTD...

Страница 28: ...V dc 6 Observe that the reading on the 3458A is within the range shown in Table 10 7 Change the UUT source value to 22 mA and check the results again in Table 10 8 Set the 5500A to STANDBY and press c...

Страница 29: ...pliance to specifications 6 When you are finished press ctwice on the UUT to set the Source function to off This saves battery life TC mA mA V V RTD RTD SOURCE 300V MAX 30V MAX 30V MAX 30V MAX MEAS CA...

Страница 30: ...ions 6 At the last test point change the UUT to source a Sine Wave Verify the correct frequency waveform and amplitude 7 When you are finished press ctwice on the UUT to set the Source function to off...

Страница 31: ...0A output voltage by subtracting the millivolt equivalent of the temperature at the lag bath junction use reference chart below 5 Observe each reading on the UUT and check to see it is within the rang...

Страница 32: ...mV DC 4 Wait at least 1 minute for thermal emfs caused by insertion of the connectors to dissipate and allow the lag bath at least 15 minutes to stabilize 5 Source each of the temperatures in Table 14...

Страница 33: ...85 ITS 90 scale and 4 Wire termination 3 Set the 5500A to RTD Pt100 385 at 180 C ITS 90 scale and comp four wire Set the 5500A to Operate 4 Observe the reading on the UUT and check to see if it is wit...

Страница 34: ...t the 5500A to Operate 4 Observe the reading on the UUT and check to see if it is within the range shown under the appropriate column in Table 16 5 Continue through the test points 6 When you are fini...

Страница 35: ...bserve the resistance reading on the DMM and check to see if it is within the range shown under the appropriate column in Table 17 4 Continue through the test points 5 When you are finished press ctwi...

Страница 36: ...within the range shown in Table 18 4 Set the Loop Power voltage to the 28V setting and repeat step 3 5 When complete disable Loop Power through the SETUP menu or by turning the UUT off This saves bat...

Страница 37: ...Refer to the 744 HART Mode Users Guide for additional information on the HART feature It is not necessary to open the case or adjust the calibrator to perform this test Simply make the required connec...

Страница 38: ...ion procedure Calibration is done using internal software There are no physical adjustments except for three potentiometers used for common mode error explained later in this chapter The following ins...

Страница 39: ...nt Out of Bounds will appear at the end of the routine A general fault with the UUT can also be indicated by this error The fault will first have to be rectified before repeating the entire sub routin...

Страница 40: ...ow these general instructions for all calibrations Operate the UUT on battery power Make sure the battery is fully charged Do not use the battery eliminator BE9005 Allow each item of calibration equip...

Страница 41: ...range and use the numeric keys to enter the value into the UUT followed by ENTER Press the Continue softkey 6 Apply the next requested value as in step 5 Press the Continue softkey Warning Some of the...

Страница 42: ...ustment of Potentiometers There are three potentiometers on the Main PCA R61 R77 and R82 These are factory adjusted to tune out common mode error Normally these should never need re adjustment If afte...

Страница 43: ...s Designator Description Part Number Notes A20 PCA KEYBOARD 202389 1 2 3 4 A31 PCA POWER SUPPLY 606738 1 2 3 4 A31 PCA POWER SUPPLY 662798 5 A32 PCA MAIN 606886 1 2 A32 PCA MAIN 202496 3 4 A32 PCA MAI...

Страница 44: ...1A 106200 1 2 3 4 MP406 PWR SUP 23W 15V 1 5A CHRGR CNV USA 690344 5 MP821 MAIN SHIELD 606787 MP840 MANUAL SET ENG FR SP USER 688846 5 MP843 LENS DECAL 662871 5 MP843 LENS DECAL 949487 2 MP843 LENS DE...

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