FLUKE-789 Fluke Electronics, FLUKE-789 Datasheet
FLUKE-789
Specifications of FLUKE-789
614-1075
789
FLUKE-789 Summary of contents
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... August 2002 Rev.1, 2/03 © 2002-2003 Fluke Corporation, All rights reserved. Printed in U.S.A. All product names are trademarks of their respective companies. ® 789 ProcessMeter Users Manual ...
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... LIMITED WARRANTY AND LIMITATION OF LIABILITY This Fluke product will be free from defects in material and workmanship for three years from the date of purchase. This war- ranty does not cover fuses, disposable batteries, or damage from accident, neglect, misuse, alteration, contamination, or abnormal conditions of operation or handling. Resellers are not authorized to extend any other warranty on Fluke’s behalf. ...
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... Introduction .................................................................................................................... 1 Contacting Fluke............................................................................................................ 1 Safety Information.......................................................................................................... 2 How to Get Started ........................................................................................................ 5 Getting Acquainted with the Meter................................................................................. 6 Measuring Electrical Parameters ................................................................................... 18 Input Impedance ....................................................................................................... 18 Ranges...................................................................................................................... 18 Testing Diodes .......................................................................................................... 18 Displaying Minimum, Maximum, and Average .......................................................... 19 Using AutoHold ......................................................................................................... 19 Compensating for Test Lead Resistance .................................................................. 20 Using the Current Output Functions .............................................................................. 20 Source Mode............................................................................................................. 20 Simulate Mode .......................................................................................................... 22 Producing a Steady mA Output ...
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Users Manual Auto Ramping the mA Output.................................................................................... 26 Power-Up Options .......................................................................................................... 27 Loop Power Supply Mode .............................................................................................. 29 Battery Life ..................................................................................................................... 31 Maintenance................................................................................................................... 31 General Maintenance ..................................................................................................... 31 Calibration ................................................................................................................. 31 Replacing a Fuse....................................................................................................... 34 If the Meter does ...
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Table 1. International Symbols ........................................................................................................... 4 2. Input/Output Jacks ................................................................................................................ 7 3. Rotary Function Switch Positions for Measurements............................................................ 9 4. Rotary Function Switch Positions for mA Output .................................................................. 11 5. Rotary Function Switch Position for Loop Supply ................................................................. 11 6. ...
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Users Manual iv ...
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... Figure 1. Fluke 789 ProcessMeter ....................................................................................................... 5 2. Input/Output Jacks ................................................................................................................ 6 3. Rotary Function Switch Positions for Measurements............................................................ 8 4. Rotary Function Switch Positions for mA Output .................................................................. 10 5. Pushbuttons .......................................................................................................................... 12 6. Elements of the Display ........................................................................................................ 15 7. Sourcing Current................................................................................................................... 21 8. Simulating a Transmitter ....................................................................................................... 23 9. Loop Power Voltage vs. Current ........................................................................................... 29 10. Connections for Supplying Loop Power ................................................................................ 30 11 ...
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Users Manual vi ...
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... DMM (digital multimeter) accessories. To order replacement parts or spares, see Table 13 near the end of this manual. Contacting Fluke To order accessories, receive operating assistance, or get the location of the nearest Fluke distributor or Service Center, call: USA: 1-888-99-FLUKE (1-888-993-5853) Canada: 1-800-36-FLUKE (1-800-363-5853) Europe: +31 402-678-200 ...
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... Users Manual Address correspondence to: Fluke Corporation Fluke Europe B.V. P.O. Box 9090, P.O. Box 1186, Everett, WA 98206-9090 5602 BD Eindhoven USA The Netherlands Or visit us on the World Wide Web: www.fluke.com Safety Information The meter complies with EN61010, ANSI/ISA S82.01- 1994 and CAN/CSA C22.2 No. 1010.1-92 Overvoltage Category III ...
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When servicing the meter, use only specified replacement parts. Use caution when working above rms pk dc. Such voltages pose a shock hazard. When using the probes, keep fingers behind the ...
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Users Manual Symbol Meaning Alternating current Direct current c Alternating or direct current Risk of danger. Important information. See manual. Battery Meets Underwriters’ Laboratories safety requirements Listed 950 Z CAT III Overvoltage (Installation) Category III, Pollution Degree 2 per ...
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... How to Get Started If familiar with the Fluke 80 Series DMM, read “Using the Current Output Functions,” review the tables and figures in “Getting Acquainted with the Meter,” and begin using the meter. If unfamiliar with Fluke 80 Series DMMs, or DMMs in general, read “Measuring Electrical Parameters” in addition to the sections referenced in the previous paragraph ...
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Users Manual Getting Acquainted with the Meter To become familiar with the features and functions of the meter, study the following figures and tables. Figure 2 and Table 2 describe the input/output jacks. Figure 3 and Table 3 describe ...
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Item Jack Measurement Functions A c Input for current to 440 mA continuous for seconds.) Fused with a 440 mA fuse Input for current to 30 mA. Fused with a 440 mA fuse. ...
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Users Manual Figure 3. Rotary Function Switch Positions for Measurements OFF mA 250 mA HART LOOP POWER 5 6 anw002f.eps ...
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Table 3. Rotary Function Switch Positions for Measurements No. Position Function(s) Meter off OFF Default: S Measure Frequency counter Default: T Measure Frequency counter Default: U Measure Frequency counter V Default: ...
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Users Manual Figure 4. Rotary Function Switch Positions for mA Output OFF mA 250 mA HART LOOP POWER anw008f.eps ...
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Table 4. Rotary Function Switch Positions for mA Output No. Position Default Function Test leads in OUTPUT X SOURCE: Source Test leads in SIMULATE: Sink Test leads in OUTPUT Y SOURCE: monp Source repeating ...
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Users Manual RANGE HOLD 100% MIN MAX COARSE FINE SpanCheck %STEP 0% REL Figure 5. Pushbuttons anw003f.eps ...
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No. Pushbutton b Toggles the backlight (low, high, and off) mA Output: Adjusts mA output value ( mA) Span Check Output: Sets mA output to 100 % value (20 mA) Span ...
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Users Manual No. Pushbutton Measuring: Toggles between frequency counter and voltage measurement functions FINE h mA Output: Adjusts output down 0.001 Rotary function switch in (BLUE) ac and dc ampere measure (alternate Rotary function switch in ...
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Figure 6. Elements of the Display ProcessMeter Getting Acquainted with the Meter anw004f.eps 15 ...
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Users Manual No. Element % (Percentage display) OUTPUT Numerals MAX MINAVG 16 Table 7. Display Shows the mA measured value or output level 0- ...
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No. Element Show the input or output units and multipliers associated with the numerals mA, DC, mV, AC kHz Range status indicators: Auto Range Auto Range - autoranging is on Manual Range Manual Range - the ...
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Users Manual Measuring Electrical Parameters The proper sequence for taking measurements follows: 1. Plug the test leads into the appropriate jacks 2. Set the rotary function switch to the desired function 3. Touch the probes to the test points ...
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The diode is good if it passes the tests in steps 4 and 5. Displaying Minimum, Maximum, and Average MIN MAX recording stores the lowest and highest measurements, and maintains the average of all measurements. Press M to turn ...
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Users Manual Compensating for Test Lead Resistance Use the relative reading feature (Q on the display) to set the present measurement as a relative zero. A common use for this feature is to compensate for test lead resistance when ...
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PROCESSMETER 100% MIN MAX RANGE HOLD SpanCheck %STEP COARSE FINE 0% REL OFF mA 250 mA HART LOOP POWER A mA COM V Figure 7. Sourcing Current ProcessMeter Using the Current Output ...
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Users Manual Simulate Mode Simulate mode is so named because the meter simulates a current loop transmitter. Use simulate mode when an external dc voltage series with the current loop under test. ...
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V Power Supply COM +24V 789 PROCESSMETER 100% MIN MAX RANGE HOLD SpanCheck %STEP COARSE FINE 0% REL OFF mA 250 mA HART LOOP POWER A mA COM V Figure 8. Simulating ...
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Users Manual Producing a Steady mA Output When the rotary function switch is in the OUTPUT [ mA position, and the OUTPUT jacks are connected to an appropriate load, the meter produces a steady mA dc output. The meter ...
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Table 8. mA Output Adjust Pushbuttons Pushbutton Adjustment X Adjusts up 0 COARSE X Adjusts up 0.001 mA M FINE Adjusts down 0.001 mA FINE h W Adjusts down 0.1 mA COARSE r W Using the Current Output ...
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Users Manual Table 9. mA Stepping Pushbuttons Pushbutton Adjustment X Adjusts up to the next higher step % STEP Adjusts down to the next lower % STEP step W F Sets to 100 ...
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When the rotary function switch is in the OUTPUT Y monp position, and the output jacks are connected to an appropriate load, the meter produces a continuously repeating 100 % - 0 % ramp in a choice ...
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Users Manual Option Change current span 0 % setting Disable beeper Disable auto power-off Display test/show firmware version 28 Table 11. Power-Up Options Pushbutton Default R Remembers Toggles between and last ...
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Loop Power Supply Mode The Loop Power Supply Mode can be used for powering up a process instrument (transmitter). While in Loop Power Mode, the meter acts like a battery. The process instrument regulates the current. At the same time, ...
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Users Manual 789 PROCESSMETER 100% MIN MAX RANGE HOLD SpanCheck %STEP COARSE FINE 0% REL OFF mA 250 mA HART LOOP POWER mA COM V A Figure 10. Connections for Supplying Loop ...
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... Fluke Service Center. General Maintenance Periodically wipe the case with a damp cloth and detergent; do not use abrasives or solvents. Calibration Calibrate the meter once a year to ensure that it performs according to its specifications. Contact a Fluke Service Center for instructions. Hours 140 140 10 ProcessMeter ...
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Users Manual Replacing the Batteries ! Warning To avoid electrical shock: Remove test leads from the meter before opening the battery door. Close and latch the battery door before using the meter. Replace the batteries as follows. Refer to ...
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Figure 11. Replacing the Batteries and Fuses ProcessMeter General Maintenance F1 F2 anw037.eps 33 ...
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... Users Manual Replacing a Fuse ! Warning To avoid personal injury or damage to the meter, use only the specified replacement fuse, 440 mA 1000 V fast-blow, Fluke PN 943121. Both current input jacks are fused with separate 440 mA fuses. To determine if a fuse is blown: 1. Turn the rotary function switch to 2 ...
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... If the meter still does not work, contact a Fluke Service Center. If the meter is under warranty, it will be repaired or replaced (at Fluke’s option) and returned at no charge. See the Warranty on the back of the title page for terms. If the warranty has lapsed, the meter will be repaired and returned for a fixed fee ...
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Users Manual Figure 12. Replacement Parts anw005f.eps ...
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... Fuse, 440 mA, 1000 V fast-blow H7,8 PCB Screw MP9 Bottom Shield MP12 IR Lens MP40,41 LCD Connectors, Elastomeric MP7 Backlight/Bracket P1 LCD Display MP3 Mask Table 13. Replacement Parts Description Fluke PN or Model no. ProcessMeter Replacement Parts and Accessories Quantity 658440 1 1622855 1 1623923 1 1622951 1 1622924 1 674853 1 1622913 ...
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... Accessory Mount with Probe Holders Access Door, Battery/Fuse Shock Absorber Battery Contacts Dual Battery Contact, Positive Case Screws Calibration Label Calibration Keypad TL71 Test Leads AC72 Alligator Clips 789 Product Overview CD-ROM (Contains Users Manual) Fluke PN or Model no. Quantity 878983 1 659042 1 658382 1 376756 4 948609 2 ...
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Specifications All specifications apply from + +28 C unless stated otherwise. All specifications assume a 5-minute warm-up period. DC Volts Measurement Range (V dc) Resolution 4.000 0.001 V 40.00 0.01 V 400.0 0.1 V 1000 1 V Input ...
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Users Manual DC Millivolts Measurement Range (mV dc) Resolution 400 Volts Measurement Range (ac) Resolution 400.0 mV 0.1 mV 4.000 V 0.001 V 40.00 V 0.01 V 400.0 V 0.1 V 1000 ...
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AC Current Measurement Range kHz Resolution 1.000 A (Note) 0.001 A Note: 440 mA continuous seconds maximum Specifications are valid from 100 % of amplitude range. AC conversion: true rms ...
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Users Manual Ohms Measurement Range Resolution 400 4.000 k 0.001 k 40.00 k 0.01 k 400.0 k 0.1 k 4.000 M 0.001 M 40.00 M 0.01 M Overload protection: 1000 V Open circuit voltage: < 3.9 V ...
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Frequency Counter Accuracy Range Resolution 199.99 Hz 0.01 Hz 1999.9 Hz 0.1 Hz 19.999 kHz 0.001 kHz Display updates 3 times/second at > Frequency Counter Sensitivity Input Range 400 mV 150 mV ( kHz) 4 ...
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Users Manual Diode Test and Continuity Test Diode test indication: Displays voltage drop across device, 2.0 V full scale. Nominal test current 0 0.6 V. Accuracy ±( count). Continuity test indication: Continuous audible tone ...
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Accuracy adders for use in RF Fields field of 3 V/m, change the accuracy specifications as follows: For AC Volts Measurement, add 0. range For DC Current Measurement, 30.000 mA range, add 0. ...
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