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© 2024 Fluke Corporation
Specifications subject to change without notice.

You can depend on Fluke tools to keep your world up and running.

Fluke® tools perform like champions in the most challenging utility-scale mining  environments. You can depend on Fluke tools to keep your world up and running.

ProcessMeter™

Fluke 789

ProcessMeter™

The Fluke 789 ProcessMeter™ is the ultimate troubleshooting tool for professionals, combining a full-featured loop calibrator with digital multimeter capabilities to measure every part of a control loop in any mine site workspace.

The Fluke 789 also features a built-in 24-volt loop supply which removes the need to carry a separate power supply when completing offline transmitter testing.

  • Compact, all-in-one digital multimeter and mA loop calibrator solution

  • Full-featured mA loop calibrator with built-in 24v Loop Power

  • Quickly and easily troubleshoot every part of a control loop

  • Log data wirelessly directly to your smartphone and review it from anywhere with the Fluke Connect™ mobile app (IR3000FC module required)

Download Datasheet
Download Datasheet
Specifications
Current measurement
Range
0-1 A AC or DC
Resolution
1 mA
Accuracy
0.2% + 2 LSD (DC)
Range
0-30 mA
Accuracy
0.001 mA
Current sourcing
Range
0-20 mA or 4-20 mA
Resolution
0.05% of span
Drive capability
24 V Compliance or 1200 Ω @ 20 mA
Frequency
to 19.999 kHz, 0.005% + 1 LSD
Continuity
Beeps for resistance < 100 Ω
Voltage measurement
Range
0-1000 V AC (true-rms) or DC
Resolution
0.1 mV to 1.0 V
Accuracy
0.1% Rdg + 1 LSD (VDC)
Resistance measurement
to 40 MΩ, 0.2% + 1 LSD
Diode test
2.0 V shoes diode voltage drop
Display current and % of span
Yes
Auto Step, Auto Ramp
Yes
Environmental Specifications
Operating temperature
-20°C to 55°C
Storage temperature
-40°C to 60°C
Humidity (without condensation)
95% up to 30°C, 75% up to 40°C, 45% up to 50°C, 35% up to 55°C
Temperature coefficient
0.05 x (specified accuracy) per °C (for temperatures < 18°C or > 28°C)
Safety Specifications
Electrical safety
Designed in accordance with IEC 1010-1, ANSI/ISA S82.01-1994 and CAN/CSA C22.2 No 1010.1-92
Overvoltage category
IEC 1010-1 CAT III 1000 V, IEC 1010-1 CAT IV 600 V
Maximum voltage
1000 V RMS
Mechanical and General Specifications
Size (H x W x L)
50 x 100 x 203 mm
Weight
610 g
Batteries
4 AA alkaline batteries
Warranty
3 years
Battery life
140 hours typical (measurement), 10 hours typical (sourcing 20 mA)
Shock and vibration
Random, 2 g, 5-500 Hz 1 meter drop test
ProcessMeter™

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