Fluke 789 ProcessMeter
The Fluke 789 ProcessMeter is a combined loop calibrator and digital multimeter built for process technicians and instrumentation engineers. It sources, simulates and measures 4 to 20 mA loops while doubling as a full-function DMM, so a single instrument covers both electrical troubleshooting and loop calibration on the same callout. A built-in, variable 250 ohm HART resistor means there is no need to carry a separate resistor when communicating with HART transmitters.
Brand and standards
Fluke is one of the most trusted names in electrical test and measurement, and Powerpoint Engineering is an authorised Fluke distributor in Ireland. The 789 includes a 24 V loop power supply, so it can power and test a transmitter on the bench or in the field without a separate supply. Temperature sensing and wireless data logging are supported through Fluke Connect, letting readings be captured and shared from the instrument.
Applications
The 789 suits day-to-day process measurement, calibration and fault-finding work:
- Sourcing and simulating 4 to 20 mA signals to commission or verify control loops
- Powering and testing two-wire transmitters using the built-in 24 V loop supply
- Communicating with HART transmitters via the built-in 250 ohm resistor
- General electrical troubleshooting using the full digital multimeter functions
- Logging readings and temperature wirelessly through Fluke Connect
Specifications
|
Specification |
Fluke 789 |
|
Instrument type |
Loop calibrator and digital multimeter |
|
Loop power supply |
24 V |
|
mA sourcing |
4 to 20 mA |
|
Drive capability (mA source) |
1200 ohm |
|
HART resistor |
Built-in, variable 250 ohm |
|
Display |
Large dual display, backlight with two brightness settings |
|
Connectivity |
Infrared port, Fluke Connect wireless |
What's in the box
- Fluke 789 ProcessMeter device
- AC175 alligator clips
- TL71 safety-designed test lead set
- Four AA 1.5 V alkaline batteries (installed)
FAQs
Does the Fluke 789 work with HART transmitters out of the box?
Yes. The 789 has a built-in, variable 250 ohm HART resistor, so you can connect a HART communicator without wiring in a separate loop resistor. That saves a step and a part on every HART loop you work on.
Can the 789 power a transmitter on its own?
Yes. It has a 24 V loop power supply built in, so you can power and test a two-wire transmitter without a separate supply, whether you are on the bench or out in the field.
Can Powerpoint Engineering calibrate my Fluke 789?
Yes. Our in-house calibration and repair laboratory services Fluke process tools and issues traceable certificates. Speak to our calibration team to book a slot.
To compare models, view our full range of digital multimeters, or talk to our team about calibration and training for your instruments.
