Fluke 787B ProcessMeter™

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  • Fluke 787B ProcessMeter
  • Fluke 787B ProcessMeter
  • Fluke 787B ProcessMeter

Key features

  • Compact digital multimeter and mA loop calibrator solution
  • Measure/Source/Simulate loop currents while powering the loop
  • Manual and automatic ramp up - ramp down functions
  • Easy-to-read backlit display

Product overview: Fluke 787B ProcessMeter™

The Fluke 787B ProcessMeter™ doubles your troubleshooting capabilities by combining the power of a safety rated digital multimeter and mA loop calibrator into a single, compact test tool. Based on the trusted measurement capabilities of the Fluke 87V meter, the 787B adds the ability to measure, source and simulate mA with the accuracy and resolution you would expect from a Fluke mA loop calibrator, giving you the ideal tool for troubleshooting and calibrating current loop applications.

With Fluke Connect® mobile app and desktop software compatibility, technicians can wirelessly monitor, log, and share data from the field with their team anytime, from anywhere.* If you’re looking for even more troubleshooting power, the Fluke 789 ProcessMeter™ offers technicians even more flexibility, and even includes a built-in 24 V loop power supply.

*Requires Fluke IR3000FC module (not included). Not all models are available in all countries. Check with your local Fluke representative.

Expand your troubleshooting capabilities

The Fluke 787B not only allows you to source, measure and simulate 20 mA DC current but also allows you simultaneously look at mA and percent of scale readouts so you can easily compare readings to what you see on your controller. Manually step mA signals (100%, 25%, Coarse adjustment, Fine adjustment) or use the Auto step and Auto ramp feature to work even more efficiently.

Designed to meet 1000 V IEC 61010 CAT III and 600 V CAT IV standards, the Fluke 787B is also a full-featured, precision, true-rms digital multimeter with standard features for diode testing and a continuity beeper. Troubleshoot more, while carrying less. The 787B also allows you to make frequency measurements to 20 kHz and includes Min/Max/Average/Hold/Relative modes for easy operation. Even the batteries and fuses are easily accessible allowing you to make fast, easy changes.

What's in the box:

  • Fluke 787B ProcessMeter
  • (1 pair) TL71 Premium test leads
  • (1 set) AC72 Alligator clips
  • (4)AA alkaline batteries (installed)
  • Quick reference guide
  • 3-year warranty

Specifications: Fluke 787B ProcessMeter™

Measurement functionRange and resolutionBest accuracy (% of reading + LSD)
V dc400.0 mV, 4.000 V, 40.00 V, 400.0 V, 1000 V0.1% + 1
V ac (true-rms)400.0 mV, 4.000 V, 40.00 V, 400.0 V, 1000 V0.7% + 2
mA dc30.000 mA.05% + 2
A dc1.000 A (0.440 A continuous)0.2% + 2
A ac1.000 A (0.440 A continuous)1% + 2
Resistance400.0 Ohms, 4.000 k, 40.00 k, 400.0 k, 4.0 M, 40 M0.2% + 1
Frequency (0.5 Hz to 20 kHz)199.99 Hz, 1999.9 Hz, 19.999 kHz.005% + 1
Diode test2.000 V (shows diode voltage drop)2% + 1
ContinuityBeeps for resistance < approx. 100 ohms
Output functionRange and resolutionDrive capabilityAccuracy (% of span)
DC current output (Internal battery operation)0.000 to 20.000 mA or 4.000 to 20.000 mA, (selectable at power-up) Over-range to 24.000 mA24 V compliance or, 1,200 ohms, @ 20 mA0.05%
DC current simulate (Ext. 15 V to 48 V loop supply)0.000 to 20.000 mA or 4.000 to 20.000 mA, (selectable at power-up) Over-range to 24.000 mA1000 ohms, @ 20 mA0.05%
Current adjustment modesManual: Coarse, Fine, 25% and 100% step
Automatic: Slow Ramp, Fast Ramp, 25% step
Temperature range of 18 °C to 28 °C, for one year after calibration
General specifications
Maximum voltage applied between any jack and earth ground1000 V RMS
Storage temperature-40 °C to 60 °C 
Operating temperature-20 °C to 55 °C
Temperature coefficient 0.05 x (specified accuracy) per °C (for temperatures < 18 °C or > 28 °C) 
Relative humidity 95% up to 30 °C; 75% up to 40 °C; 45% up to 50 °C; 35% up to 55 °C 
Vibration Random, 2 g, 5-500 Hz
Shock 1 meter drop test
Safety IEC61010-1, Pollution Degree 2/IEC61010-2-033, CAT IV 600 V/CAT III 1000 V 
Size (HxWxL) 50 x 100 x 203 mm (1.97 x 3.94 x 8.00 in)
Weight 600 g (1.3 lbs)
BatteryFour AA alkaline batteries
Battery life 140 hours typical (measurement), 10 hours typical (sourcing 12 mA) 
Warranty Three years

Models: Fluke 787B ProcessMeter™

Fluke 787B ProcessMeter™

Fluke 787B ProcessMeter™


  • TL71 Premium test lead set
  • AC72 Alligator clips
  • Four AA alkaline batteries (installed)
  • Quick reference guide

Is this product Class 1 Division 2 certified?

Asked by: JRGairliquide
No, the Fluke 787B ProcessMeter&trade; is not Class 1 Division 2 certified.
Answered by: FlukeCorporation
Date published: 2023-11-06

If using auto ramp say 25% steps, could I leave the source cycling up and down until the batteries are exhausted? &nbsp;If so how long roughly would it perform? &nbsp;I&rsquo;m looking for 10sec intervals between injections.

Asked by: GC123
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