Fluke ProcessMeter 787 Calibration Manual
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Fluke ProcessMeter 787 Calibration Manual

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®
Model 787
ProcessMeter
Calibration Manual
PN 641891
May 1998 Rev. 1, 9/00
© 1998, 2000 Fluke Corporation, All rights reserved. Printed in USA
All product names are trademarks of their respective companies.

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Summary of Contents for Fluke ProcessMeter 787

  • Page 1 ® Model 787 ProcessMeter Calibration Manual PN 641891 May 1998 Rev. 1, 9/00 © 1998, 2000 Fluke Corporation, All rights reserved. Printed in USA All product names are trademarks of their respective companies.

  • Page 3: Table Of Contents

    Table of Contents Title Page Introduction ......................1 Read First -- Safety Information ................. 2 787 Calibration Module .................. 2 Warnings and Cautions ................... 2 International Symbols ..................4 Required Equipment.................... 4 Specifications ...................... 5 DC Volts ......................5 DC Millivolts ....................6 AC Volts ......................
  • Page 4 Model 787 Calibration Manual...
  • Page 5 List of Tables Table Title Page International Symbols.................... 4 Required Equipment and Software................ 5 Current Sourcing Test.................... 15 DC mA Test ......................16 DC Amp Test ......................16 AC Amp Test ......................16 Resistance Measurement Test Using a 5500A or 5520A Calibrator..... 21 DC mV Test ......................
  • Page 6 Model 787 Calibration Manual...
  • Page 7 List of Figures Figure Title Page Replacing the Battery .................... 9 Replacing a Fuse....................11 Verifying Loop Power ................... 14 Current Sourcing Connections Using the HP 3458A ..........15 Current Measurement Test Connections ............... 17 Diode Test Connections..................18 Continuity Test Connections ................. 19 Resistance Measurement Test Connections ............
  • Page 8 Model 787 Calibration Manual...

  • Page 9: Introduction

    Japan: +81-3-3434-0181 Singapore: +65-738-5655 Anywhere in the world: +1-425-446-5500 Address correspondence to: Fluke Corporation Fluke Europe B.V. P.O. Box 9090, P.O. Box 1186, Everett, WA 98206-9090 5602 BD Eindhoven The Netherlands Or visit us on the World Wide Web: www.fluke.com...

  • Page 10: Read First -- Safety Information

    Model 787 Calibration Manual Read First -- Safety Information 787 Calibration Module The calibration procedure for the 787 ProcessMeter requires the use of the 787 Calibration Module (hereafter, also referred to as the “Calibration Module”), which is designed for this purpose. Note It is critical that you be aware of the rating differences between the 787 ProcessMeter and the 787 Calibration Module.
  • Page 11 Calibration Manual Read First -- Safety Information Warnings (Continued) Inspect the test leads for damaged insulation or exposed metal. Check for test lead continuity. Replace damaged test leads as necessary. Do not use the ProcessMeter or the Calibration Module if either operates abnormally.

  • Page 12: International Symbols

    Note Unless otherwise indicated, all connection diagrams for the verification tests in this manual showing a calibrator or digital multimeter use a Fluke 5500A calibrator or HP 3458A. If you are using a different calibrator or DMM make the connections...

  • Page 13: Specifications

    No Substitute Fluke MET/CAL Calibration Software 6.0 or later * HP 34401A may only be used in conjuction with Fluke 5520A. Specifications The 787 ProcessMeter’s performance and accuracy are specified for one year after calibration, at operating temperatures of +18 C to +28 C (64 F to 82 F), in relative humidity to 90 %, after the ProcessMeter has been warmed up for 5 minutes.

  • Page 14: Dc Millivolts

    Model 787 Calibration Manual DC Millivolts Range (mV dc) Resolution Accuracy (% of Reading + Counts) 400.0 0. 1 mV 0.1 % + 1 Input impedance: 10 M (nominal), < 100 pF Normal mode rejection ratio: >60 dB at 50 Hz or 60 Hz Common mode rejection ratio: >120 dB at dc, 50 Hz, or 60 Hz Overvoltage protection: 1000 V AC Volts...

  • Page 15: Ohms

    Calibration Manual Specifications Ohms Range Resolution Measurement Current Accuracy (% of Reading + Counts) 400.0 0. 1 220 A 0.2 % + 2 4.000 k 0.001 k 59 A 0.2 % + 1 40.00 k 0.01 k 5.9 A 0.2 % + 1 400.0 k 0.1 k 590 nA...

  • Page 16: Dc Current Output

    Model 787 Calibration Manual DC Current Output Source mode Span: 0 mA or 4 mA to 20 mA, with overrange to 24 mA Accuracy: 0.05 % of span Compliance voltage: 12 V with battery voltage >8.5 V Simulate Mode Span: 0 mA or 4 mA to 20 mA, with overrange to 24 mA Accuracy: 0.05 % of span Loop voltage: 24 V nominal, 30 V maximum, 15 V minimum Compliance voltage: 21 V for 24 V supply...

  • Page 17: Basic Maintenance

    Calibration Manual Basic Maintenance Basic Maintenance Cleaning the 787 ProcessMeter and the 787 Calibration Module Warning To avoid electrical shock or damage, never allow water inside the case of the ProcessMeter or the 787 Calibration Module. If the ProcessMeter or the 787 Calibration Module requires cleaning, wipe it down with a cloth that is lightly dampened with water or a mild detergent.

  • Page 18: Checking And Replacing Fuses

    5. Remove the fuse by gently prying one end loose, then sliding the fuse out of its bracket. 6. Replace the fuse only with a 440 mA 1000 V fast-blow fuse. (Fluke PN 943121.) Both fuses are the same type.

  • Page 19: Verification Tests

    Calibration Manual Verification Tests LT014F.EPS Figure 2. Replacing a Fuse Verification Tests Warning Some of the verification tests involve the use of high voltages and should be performed by qualified personnel only. To avoid electrical shock, always place the calibrator in the Standby (STBY) mode between tests and before handling the test connections or test cables.

  • Page 20: Computer-Automated Verification Test Procedures

    These procedures require Fluke’s MET/CAL Calibration Software version 6.0 or later, a 787 Calibration Module, a Fluke 5500A or 5520A Calibrator, and either an HP 34401A multimeter or an HP 3458A multimeter. Note that the HP 34401A may only be used in conjunction with the 5520A Calibrator.
  • Page 21 Table 2. Unless otherwise indicated, all connection diagrams for the verification tests in this manual showing a calibrator or digital multimeter use a Fluke 5500A calibrator or HP 3458A. If you are using a different calibrator or DMM make the connections appropriate for your instrument.

  • Page 22: Loop Power Test

    Model 787 Calibration Manual Loop Power Test 1. Make a short circuit connection between the SOURCE terminals on the UUT. 2. Connect the voltage input terminals of the multimeter to the SOURCE terminals on the UUT as shown in Figure 3. 3.

  • Page 23: Current Sourcing Test

    Calibration Manual Verification Tests Current Sourcing Test 1. Put the calibrator in Standby ( STBY ) mode. 2. Connect the SOURCE ) and ) terminals on the UUT to the current terminals on the multimeter as shown in Figure 4. 3.

  • Page 24: Current Measurement Test

    Model 787 Calibration Manual Current Measurement Test 1. Put the calibrator in Standby ( STBY ) mode. mA A L 2. Put the UUT rotary switch in the position . 3. Connect the calibrator to the terminals on the UUT as shown in Figure 5.

  • Page 25: Checking The Diode Test Function

    Calibration Manual Verification Tests PROCESSMETER (BLUE) MIN MAX RANGE HOLD % STEP COARSE FINE OUTPUT 5500A 5500A CALIBRATOR OUTPUT 0-24mA SOURCE SIMULATE SCOPE NORMAL -SENSE, 200V PK PREV AUX V STBY EARTH SCOPE BOOST MENU 30mA EDIT 0.44A FUSED 1000V SETUP RESET FIELD...
  • Page 26 Model 787 Calibration Manual PROCESSMETER (BLUE) MIN MAX RANGE HOLD % STEP COARSE FINE OUTPUT 5500A 5500A CALIBRATOR OUTPUT 0-24mA SOURCE SIMULATE NORMAL SCOPE -SENSE, 200V PK PREV AUX V STBY EARTH SCOPE BOOST MENU 30mA 0.44A EDIT SETUP RESET FUSED 1000V FIELD...

  • Page 27: Checking The Continuity Test Function

    Calibration Manual Verification Tests Checking the Continuity Test Function 1. Put the calibrator in Standby ( STBY ) mode, and put the UUT rotary switch in the position. 2. Connect the calibrator to the terminals on the UUT as shown in Figure 7.

  • Page 28: Resistance Measurement Test

    Compare the readings on the UUT to the acceptable readings shown. 5. Change the connections to the UUT. Using the Fluke 5440A-7002 low thermal leads, connect the calibrator to the UUT as shown by the solid lines in Figure 8.
  • Page 29 Calibration Manual Verification Tests Table 7. Resistance Measurement Test Using a 5500A or 5520A Calibrator Calibrator Calibrator Minimum Maximum 787 Range Resistance Compensation Mode Reading Reading 2-Wire 119.6 120.4 2-Wire 299.2 300.8 1.2 k 2-Wire 1.197 k 1.203 k 2-Wire 2.993 k 3.007 k 40 k...

  • Page 30: Dc Millivolts Measurement Test

    Model 787 Calibration Manual DC Millivolts Measurement Test 1. Put the calibrator in Standby ( STBY ) mode. 2. Put the UUT rotary switch in the (dc Millivolts) position. 3. Connect the calibrator to the terminals on the UUT as shown in Figure 9.

  • Page 31: Dc Volts Measurement Tests

    Calibration Manual Verification Tests DC Volts Measurement Tests Warning To avoid possible electrical shock or personal injury: Some of the verification tests involve the use of high voltages and should be performed by qualified personnel only. Always place the calibrator in the Standby (STBY) mode between tests and before handling the test connections or test cables.
  • Page 32 Model 787 Calibration Manual PROCESSMETER (BLUE) MIN MAX RANGE HOLD % STEP COARSE FINE OUTPUT 5500A 5500A CALIBRATOR OUTPUT 0-24mA SOURCE SIMULATE NORMAL SCOPE -SENSE, 200V PK PREV AUX V STBY EARTH SCOPE BOOST MENU 30mA 0.44A EDIT FUSED SETUP RESET 1000V FIELD...

  • Page 33: Frequency Measurement Test

    Calibration Manual Verification Tests Frequency Measurement Test 1. Put the calibrator in Standby ( STBY ) mode. 2. Put the UUT rotary switch in the (ac volts) position. 3. Press to toggle to the frequency measurement function. 4. Connect the calibrator to the terminals on the UUT as shown in Figure 11.

  • Page 34: Calibration

    Look for cracks, missing plastic, or damaged insulation. If damage is detected, do not continue; contact Fluke to arrange to have the ProcessMeter or Calibration Module serviced. Make sure that the battery door on the ProcessMeter is closed and latched before using the ProcessMeter.

  • Page 35: Installing The 787 Calibration Module

    Calibration Manual Calibration Note The calibration procedures assume that the person performing them knows how to use the 787 ProcessMeter and the required equipment. Do not attempt to calibrate the ProcessMeter unless you are qualified to do so. Throughout the following, “UUT” (unit under test) refers to the 787 ProcessMeter;...
  • Page 36 5. Connect Calibration Module to the appropriate communication port on the PC, using an RS-232 9-pin, null modem cable. (See Figure 13.) Note The calibration procedure does not support the UUT port on the Fluke 5500A and 5520A calibrators. 6. Connect the battery eliminator to the Calibration Module, and plug the battery eliminator into an AC outlet.
  • Page 37 FASTEN BATTERY DOOR TO MODEL 787 BEFORE CONNECTING TEST LEADS TO MODEL 787 OR OPERATING THIS CALIBRATION MODULE. REMOVE TEST LEADS FROM MODEL 787 INPUT JACKS BEFORE OPENING BATTERY DOOR. DISCONNECT FROM MODEL 787 BATTERY CABLE BEFORE OPENING CALIBRATION MODULE CASE. FLUKE CORPORATION MADE IN USA BACK PANEL Warning...

  • Page 38: Using The Met/Cal Calibration Software

    When servicing this ProcessMeter, use only the replacement parts specified. User- replaceable parts are listed in Table 12 and shown in Figure 14. Table 12. Replacement Parts Item Description Fluke No. Quantity 9V battery, ANSI/NEDA 1604A or IEC 6LR61 614487 CG81Y...
  • Page 39 Calibration Manual Replaceable Parts TL75 MP85 Test Lead Set TL20 (Option) Industrial Test Lead Set AC70A Alligator Clips Holster CG81Y Product MP86 Overview Manual H2, 3, 4 MP89, 90 CD-ROM (Users Manual) MP92 H5, 6 LT012F.EPS Figure 14. Replacement Parts...
  • Page 40 Model 787 Calibration Manual...

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