Fluke 787 and 789 Process Meter Datasheet
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...selectable at power-up) Over-range 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, ...) in 14 languages. Key Fluke 789 features: • 24 V loop power supply • HART mode setting with loop power (adds 250 ohm resistor) • Double-sized, dual display • 20 mA drive into 1200 ohms • Backlight with mA source. Ordering information Fluke-789 ProcessMeter Fluke-787 ProcessMeter For more while carrying ...
...selectable at power-up) Over-range 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, ...) in 14 languages. Key Fluke 789 features: • 24 V loop power supply • HART mode setting with loop power (adds 250 ohm resistor) • Double-sized, dual display • 20 mA drive into 1200 ohms • Backlight with mA source. Ordering information Fluke-789 ProcessMeter Fluke-787 ProcessMeter For more while carrying ...
FE 787 Users Manual
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... ProcessMeter How to Get Started 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 Pushbuttons Input/Output Jacks Figure 1. If you are familiar with the Fluke 80 Series DMM, read "Using...
... ProcessMeter How to Get Started 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 Pushbuttons Input/Output Jacks Figure 1. If you are familiar with the Fluke 80 Series DMM, read "Using...
FE 787 Users Manual
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OUTPUT 0-24mA 1 SOURCE + SIMULATE + 3 A mA COM V 0.44A (1A /30 sec) FUSED 30mA FUSED CAT 1000V 2 4 Figure 2. 787 Users Manual Getting Acquainted with the Meter To become familiar with the features and functions of the meter, study the following figures and tables. • ...
OUTPUT 0-24mA 1 SOURCE + SIMULATE + 3 A mA COM V 0.44A (1A /30 sec) FUSED 30mA FUSED CAT 1000V 2 4 Figure 2. 787 Users Manual Getting Acquainted with the Meter To become familiar with the features and functions of the meter, study the following figures and tables. • ...
FE 787 Users Manual
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.... (Use in series with an external loop supply.) Common for dc current to 24 mA. ProcessMeter Getting Acquainted with a 440 mA fuse. Output for transmitter simulation to 30 seconds.) Fused with the Meter Item A B C D Table 2. V Input for up to 24 mA. (Use in series with a 440 mA fuse. COM... Common for current to 1000V, Ω, continuity, and diode test. Input/Output Jacks Jack c A d mA Measurement Functions Source Current Function Input for current to 440 mA continuous. (1A for voltage to 30 mA. Input for all measurements.
.... (Use in series with an external loop supply.) Common for dc current to 24 mA. ProcessMeter Getting Acquainted with a 440 mA fuse. Output for transmitter simulation to 30 seconds.) Fused with the Meter Item A B C D Table 2. V Input for up to 24 mA. (Use in series with a 440 mA fuse. COM... Common for current to 1000V, Ω, continuity, and diode test. Input/Output Jacks Jack c A d mA Measurement Functions Source Current Function Input for current to 440 mA continuous. (1A for voltage to 30 mA. Input for all measurements.
FE 787 Users Manual
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... COARSE Z or Y: Adjusts output up or down 0.1 mA FINE X or W: Adjusts output up or down 0.001 mA B OUTPUT Test leads in mA J SOURCE: Source repeating 0% -100%-0% slow ramp (E) Test leads in SIMULATE: Sink repeating 0% -100%-0% slow ramp (E) BLUE cycles through: • Fast repeating 0% -100% - 0% ramp (P on display) • Repeating 0% -100% - 0% ramp in 25...
... COARSE Z or Y: Adjusts output up or down 0.1 mA FINE X or W: Adjusts output up or down 0.001 mA B OUTPUT Test leads in mA J SOURCE: Source repeating 0% -100%-0% slow ramp (E) Test leads in SIMULATE: Sink repeating 0% -100%-0% slow ramp (E) BLUE cycles through: • Fast repeating 0% -100% - 0% ramp (P on display) • Repeating 0% -100% - 0% ramp in 25...
FE 787 Users Manual
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... (change scales with the Meter Table 6. AVG 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 continuity function E Q Lights when relative reading is on F B Lights when the battery is low G Numerals...
... (change scales with the Meter Table 6. AVG 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 continuity function E Q Lights when relative reading is on F B Lights when the battery is low G Numerals...
FE 787 Users Manual
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...is in use is to supply current into the SOURCE + and − jacks as a current loop with no loop supply. Source Mode Source mode is in source and simulate modes. You can choose source mode, in which the meter supplies the current, or simulate mode, in which pair of output jacks is... by inserting the test leads into a passive circuit such as shown in an externally-powered current loop. Source mode depletes the battery faster than simulate mode, so use . 20 787 Users Manual Using the Current Output Functions The meter provides steady, stepped, and ramped current output for testing...
...is in use is to supply current into the SOURCE + and − jacks as a current loop with no loop supply. Source Mode Source mode is in source and simulate modes. You can choose source mode, in which the meter supplies the current, or simulate mode, in which pair of output jacks is... by inserting the test leads into a passive circuit such as shown in an externally-powered current loop. Source mode depletes the battery faster than simulate mode, so use . 20 787 Users Manual Using the Current Output Functions The meter provides steady, stepped, and ramped current output for testing...
FE 787 Users Manual
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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 21 787 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.
FE 787 Users Manual
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... save the current output span in Figure 8. The way to tell which span is so named because the meter simulates a current loop transmitter. 787 Users Manual Simulate Mode Simulate mode is selected, short the OUTPUT SOURCE + and − jacks, turn the rotary switch to OUTPUT [ mA, and observe the 0% output level. Hold down the Kpushbutton...
... save the current output span in Figure 8. The way to tell which span is so named because the meter simulates a current loop transmitter. 787 Users Manual Simulate Mode Simulate mode is selected, short the OUTPUT SOURCE + and − jacks, turn the rotary switch to OUTPUT [ mA, and observe the 0% output level. Hold down the Kpushbutton...
FE 787 Users Manual
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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 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.
FE 787 Users Manual
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The meter begins sourcing or simulating 0%. The STEP pushbuttons go to an appropriate load, the meter produces a steady mA dc output. 787 Users Manual Producing a Steady mA Output When the rotary switch is in Table 8. Use the pushbuttons to adjust the current as shown in the ... Pushbutton Z K COARSE X I FINE FINE F W COARSE C Y Adjustment Adjusts up 0.1 mA Adjusts up 0.001 mA Adjusts down 0.001 mA Adjusts down 0.1 mA 24 Select either sourcing or simulating by choosing the SOURCE or SIMULATE output jacks. Note The STEP pushbuttons described on the numeric display. Table 8.
The meter begins sourcing or simulating 0%. The STEP pushbuttons go to an appropriate load, the meter produces a steady mA dc output. 787 Users Manual Producing a Steady mA Output When the rotary switch is in Table 8. Use the pushbuttons to adjust the current as shown in the ... Pushbutton Z K COARSE X I FINE FINE F W COARSE C Y Adjustment Adjusts up 0.1 mA Adjusts up 0.001 mA Adjusts down 0.001 mA Adjusts down 0.1 mA 24 Select either sourcing or simulating by choosing the SOURCE or SIMULATE output jacks. Note The STEP pushbuttons described on the numeric display. Table 8.
FE 787 Users Manual
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...because the load resistance is too high or the loop supply voltage is low enough, the meter will resume sourcing. The meter begins sourcing or simulating 0%. Note The COARSE and FINE adjustment pushbuttons described on the numeric display. ProcessMeter Using the Current Output ...Functions Table 9. When the impedance between the SOURCE jacks is too low, dashes (-----) appear on the previous page are available ...
...because the load resistance is too high or the loop supply voltage is low enough, the meter will resume sourcing. The meter begins sourcing or simulating 0%. Note The COARSE and FINE adjustment pushbuttons described on the numeric display. ProcessMeter Using the Current Output ...Functions Table 9. When the impedance between the SOURCE jacks is too low, dashes (-----) appear on the previous page are available ...
FE 787 Users Manual
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... time during auto ramping, you can use the COARSE, FINE, and % STEP adjust pushbuttons to make adjustments. 26 787 Users Manual Step 0% 25% 50% 75% 100% 125% 120% Table 10. Select either sourcing or simulating by moving the rotary switch to test the response of three ramp waveforms: E 0% - 100% - 0% 40-second smooth ...000 mA 24.000 mA 24.000 mA Auto Ramping the mA Output Auto ramping gives you can freeze the ramp simply by choosing the SOURCE or SIMULATE jacks. mA Step Values Value (for each span setting) 4 to 20 mA 0 to a transmitter, while your choice of the transmitter...
... time during auto ramping, you can use the COARSE, FINE, and % STEP adjust pushbuttons to make adjustments. 26 787 Users Manual Step 0% 25% 50% 75% 100% 125% 120% Table 10. Select either sourcing or simulating by moving the rotary switch to test the response of three ramp waveforms: E 0% - 100% - 0% 40-second smooth ...000 mA 24.000 mA 24.000 mA Auto Ramping the mA Output Auto ramping gives you can freeze the ramp simply by choosing the SOURCE or SIMULATE jacks. mA Step Values Value (for each span setting) 4 to 20 mA 0 to a transmitter, while your choice of the transmitter...
FE 787 Users Manual
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... the holster with a snap-on holster that it . Table 12. Contact a Fluke Service Center for instructions. 28 Typical Alkaline Battery Life Meter Operation Measuring any parameter or simulating current Sourcing 12 mA into 500Ω Hours 80 12 Using the Holster and Flex-Stand ...manual, contact a Fluke Service Center. Repair, calibration, servicing not covered in the holster to its specifications. do not use abrasives or solvents. Maintenance This section provides some basic maintenance procedures. Table 12 shows typical alkaline battery life. 787 Users Manual Battery Life...
... the holster with a snap-on holster that it . Table 12. Contact a Fluke Service Center for instructions. 28 Typical Alkaline Battery Life Meter Operation Measuring any parameter or simulating current Sourcing 12 mA into 500Ω Hours 80 12 Using the Holster and Flex-Stand ...manual, contact a Fluke Service Center. Repair, calibration, servicing not covered in the holster to its specifications. do not use abrasives or solvents. Maintenance This section provides some basic maintenance procedures. Table 12 shows typical alkaline battery life. 787 Users Manual Battery Life...
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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-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- Auto Ramping, 17, 26 Ranging, 17 Stepping, 17 -B- Diodes, testing, 18 Display, 15 43 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- Auto Ramping, 17, 26 Ranging, 17 Stepping, 17 -B- Diodes, testing, 18 Display, 15 43 Battery Replacement, 30 Buttons, 12 -C-
FE 787 Users Manual
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Warranty. See Current output Index (continued) Sourcing. Telephone numbers, 1 TouchHold, 19 -W- See Current output Specifications, 36 Switch positions, 9, 11 Symbols, international, 4 -T- See back of Title Page Service, 32 WWW address for Fluke, 2 45 Range Auto, 17 Locking, 17 Ranges, 17 Relative reading, 19 Rotary switch positions, 9, 11 -S- -R- Safety information, 2 Screen, 15 Service and sales, 1 Settings, 27 Simulating.
Warranty. See Current output Index (continued) Sourcing. Telephone numbers, 1 TouchHold, 19 -W- See Current output Specifications, 36 Switch positions, 9, 11 Symbols, international, 4 -T- See back of Title Page Service, 32 WWW address for Fluke, 2 45 Range Auto, 17 Locking, 17 Ranges, 17 Relative reading, 19 Rotary switch positions, 9, 11 -S- -R- Safety information, 2 Screen, 15 Service and sales, 1 Settings, 27 Simulating.