Fluke 787 and 789 Process Meter Datasheet
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... to 24.000 mA 789: 24 V compliance or, 1,200 Ohms, @ 20 mA 787: 12 V compliance or, 500 Ohms, @ 20 mA .05 % .05 % DC current simulate (Ext. 24 Volt loop supply) 0.000 to 20.000 mA or 4.000 to 20.000 mA, 1000 Ohms, (selectable at power-up) Over-range to 24.000...settings • 0-100 % mA Span Check buttons to toggle between 4 and 20 mA • Infrared I/O serial port compatible with FlukeView® Forms Software • Improved battery power with four AA batteries • Plus all the proven 787 features Fluke 787 ProcessMeter • Simultaneous mA and % of 18 °C to 28 °...
... to 24.000 mA 789: 24 V compliance or, 1,200 Ohms, @ 20 mA 787: 12 V compliance or, 500 Ohms, @ 20 mA .05 % .05 % DC current simulate (Ext. 24 Volt loop supply) 0.000 to 20.000 mA or 4.000 to 20.000 mA, 1000 Ohms, (selectable at power-up) Over-range to 24.000...settings • 0-100 % mA Span Check buttons to toggle between 4 and 20 mA • Infrared I/O serial port compatible with FlukeView® Forms Software • Improved battery power with four AA batteries • Plus all the proven 787 features Fluke 787 ProcessMeter • Simultaneous mA and % of 18 °C to 28 °...
FE 787 Users Manual
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... means the display is showing the average value since starting recording (up option) B OUTPUT Lights when mA output (source or simulate) is active C D Lights in diode test function D S Lights in a 0-20 mA or 4-20 mA scale (change scales with the Meter Table 6. Rmeans MIN MAX recording is on I MINMAXAVGR MIN MAX recording status...
... means the display is showing the average value since starting recording (up option) B OUTPUT Lights when mA output (source or simulate) is active C D Lights in diode test function D S Lights in a 0-20 mA or 4-20 mA scale (change scales with the Meter Table 6. Rmeans MIN MAX recording is on I MINMAXAVGR MIN MAX recording status...
FE 787 Users Manual
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...in use. 20 787 Users Manual Using the Current Output Functions The meter provides steady, stepped, and ramped current output for testing 0-20 mA and 4-20 mA current loops. Source mode depletes the battery faster than simulate mode, so use is to see which the meter regulates current in use simulate mode whenever ... which mode is in an externally-powered current loop. You can choose source mode, in which the meter supplies the current, or simulate mode, in which pair of output jacks is selected automatically by inserting the test leads into a passive circuit such as shown in source ...
...in use. 20 787 Users Manual Using the Current Output Functions The meter provides steady, stepped, and ramped current output for testing 0-20 mA and 4-20 mA current loops. Source mode depletes the battery faster than simulate mode, so use is to see which the meter regulates current in use simulate mode whenever ... which mode is in an externally-powered current loop. You can choose source mode, in which the meter supplies the current, or simulate mode, in which pair of output jacks is selected automatically by inserting the test leads into a passive circuit such as shown in source ...
FE 787 Users Manual
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787 PROCESSMETER MIN MAX % STEP RANGE COARSE REL HOLD H FINE Hz mV V mA A OUTPUT mA V mA OFF OUTPUT 0-24mA SOURCE + SIMULATE + A mA COM V 0.44A (1A /30 sec) FUSED 30mA FUSED CAT 1000V ProcessMeter Using the Current Output Functions 40 20 60 80 0 100 Figure 7. Sourcing Current ee010f.eps 21
787 PROCESSMETER MIN MAX % STEP RANGE COARSE REL HOLD H FINE Hz mV V mA A OUTPUT mA V mA OFF OUTPUT 0-24mA SOURCE + SIMULATE + A mA COM V 0.44A (1A /30 sec) FUSED 30mA FUSED CAT 1000V ProcessMeter Using the Current Output Functions 40 20 60 80 0 100 Figure 7. Sourcing Current ee010f.eps 21
FE 787 Users Manual
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...Turn off ): 1. Wait at least 2 seconds, then release K. 22 787 Users Manual Simulate Mode Simulate mode is in use. Otherwise, a low impedance from the other rotary switch... is turned off the meter. 2. Simulate mode conserves battery life, so use it instead of output jacks...automatically by inserting the test leads into the SIMULATE + and − jacks as shown in source and simulate modes. The display looks the same in... [ mA. 3. Simulate mode is in series with overrange to 30V is so named because the meter simulates a current loop transmitter. Use simulate mode when an external...
...Turn off ): 1. Wait at least 2 seconds, then release K. 22 787 Users Manual Simulate Mode Simulate mode is in use. Otherwise, a low impedance from the other rotary switch... is turned off the meter. 2. Simulate mode conserves battery life, so use it instead of output jacks...automatically by inserting the test leads into the SIMULATE + and − jacks as shown in source and simulate modes. The display looks the same in... [ mA. 3. Simulate mode is in series with overrange to 30V is so named because the meter simulates a current loop transmitter. Use simulate mode when an external...
FE 787 Users Manual
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dc V Power Supply COM +24V 787 PROCESSMETER MIN MAX % STEP RANGE COARSE REL HOLD H FINE Hz mV V mA A OUTPUT mA V mA OFF OUTPUT 0-24mA SOURCE + SIMULATE + A mA COM V 0.44A (1A /30 sec) FUSED 30mA FUSED CAT 1000V ProcessMeter Using the Current Output Functions 40 20 60 80 0 100 Figure 8. Simulating a Transmitter ee011f.eps 23
dc V Power Supply COM +24V 787 PROCESSMETER MIN MAX % STEP RANGE COARSE REL HOLD H FINE Hz mV V mA A OUTPUT mA V mA OFF OUTPUT 0-24mA SOURCE + SIMULATE + A mA COM V 0.44A (1A /30 sec) FUSED 30mA FUSED CAT 1000V ProcessMeter Using the Current Output Functions 40 20 60 80 0 100 Figure 8. Simulating a Transmitter ee011f.eps 23
FE 787 Users Manual
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... 4.000 mA 0.000 mA 8.000 mA 5.000 mA 12.000 mA 10.000 mA 16.000 mA 15.000 mA 20.000 mA 20.000 mA 24.000 mA 24.000 mA Auto Ramping the mA Output Auto ramping gives you the ability to continuously apply a varying current stimulus ...% - 0% 40-second smooth ramp, (default) P 0% - 100% - 0% 15-second smooth ramp N 0% - 100% - 0% Stair-step ramp in Table 10. 787 Users Manual Step 0% 25% 50% 75% 100% 125% 120% Table 10. Select either sourcing or simulating by moving the rotary switch to cycle through the three waveforms. Note At any time during auto ramping...
... 4.000 mA 0.000 mA 8.000 mA 5.000 mA 12.000 mA 10.000 mA 16.000 mA 15.000 mA 20.000 mA 20.000 mA 24.000 mA 24.000 mA Auto Ramping the mA Output Auto ramping gives you the ability to continuously apply a varying current stimulus ...% - 0% 40-second smooth ramp, (default) P 0% - 100% - 0% 15-second smooth ramp N 0% - 100% - 0% Stair-step ramp in Table 10. 787 Users Manual Step 0% 25% 50% 75% 100% 125% 120% Table 10. Select either sourcing or simulating by moving the rotary switch to cycle through the three waveforms. Note At any time during auto ramping...
FE 787 Users Manual
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Diode Test and Continuity Test Diode test indication: display voltage drop: 0.2 mA nominal test current at 0.6V: 2.4V full scale, accuracy ±(2% + 1 count) Continuity test indication: continuous audible tone for test resistance
Diode Test and Continuity Test Diode test indication: display voltage drop: 0.2 mA nominal test current at 0.6V: 2.4V full scale, accuracy ±(2% + 1 count) Continuity test indication: continuous audible tone for test resistance
FE 787 Users Manual
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Battery Replacement, 30 Buttons, 12 -C- -A- Calibrating the meter, 28 Compensating for test lead resistance, 19 Composite Signals, 17 Index Current output Compliance, 24 Load impedance, 24 Ramping, auto, 26 Simulating a transmitter, 22 Sourcing, 20 Span (4-20 mA or 0-20 mA), 22 Steady, 24 Stepping, auto, 26 Stepping, manually, 25 With external loop supply, 22 -D- Diodes, testing, 18 Display, 15 43 Auto Ramping, 17, 26 Ranging, 17 Stepping, 17 -B-
Battery Replacement, 30 Buttons, 12 -C- -A- Calibrating the meter, 28 Compensating for test lead resistance, 19 Composite Signals, 17 Index Current output Compliance, 24 Load impedance, 24 Ramping, auto, 26 Simulating a transmitter, 22 Sourcing, 20 Span (4-20 mA or 0-20 mA), 22 Steady, 24 Stepping, auto, 26 Stepping, manually, 25 With external loop supply, 22 -D- Diodes, testing, 18 Display, 15 43 Auto Ramping, 17, 26 Ranging, 17 Stepping, 17 -B-