Fluke
Fluke 789 Process Calibrator Multimeter measurement tool
Measures up to 1000 V AC/DC and 30 mA DC while sourcing 0–20 mA DC with 24 V loop supply and 0.5 % accuracy
- Analog/DigitalDigital
- TypeProcess Meter
- Sources 0–20 mA DC for loop calibration
- Measures 0–30 mA DC without breaking the loop
- 24 V DC loop supply powers transmitters directly
- True-RMS reads distorted waveforms accurately
- 1000 V AC/DC range covers industrial power circuits
Process calibrator multimeter
The Fluke 789 combines a digital multimeter with a loop calibrator in one handheld unit. It measures voltage up to 1000 V AC or DC and current up to 30 mA DC while also sourcing 0 to 20 mA DC for loop testing. A built-in 24 V loop supply powers transmitters during calibration.
Technicians who need simultaneous measurement
This tool suits field technicians and process engineers who calibrate 4–20 mA loops and verify instruments on site. It is not for users who only need basic voltage or resistance checks, nor for applications requiring temperature measurement or higher current sourcing beyond 20 mA.
24 V loop supply voltage
The integrated 24 V DC loop supply lets you power and test two-wire transmitters without an external source. This single feature decides whether the 789 replaces a separate calibrator and power supply in your kit.
Highlights
- Sources 0–20 mA DC for loop calibration
- Measures 0–30 mA DC without breaking the loop
- 24 V DC loop supply powers transmitters directly
- True-RMS reads distorted waveforms accurately
- 1000 V AC/DC range covers industrial power circuits
Specifications
| Brand | FLUKE |
|---|---|
| Model | 789 |
| Analog/Digital | Digital |
| Type | Process Meter |
Questions about this item
Does the Fluke 789 include test leads or do I need to buy them separately?
The Fluke 789 is supplied as the main process calibrator multimeter unit; standard test leads and any temperature probe accessories are sold separately.
Should I choose the 30 mA or 1 A DC current range for 4–20 mA loop calibration?
Use the 30 mA DC range for 4–20 mA loop calibration; it provides the 0.01% + 1 count basic DC accuracy and the 0.5% + 2 digits sourcing accuracy needed for precise loop work.
What does the 1000 V AC/DC voltage rating mean when I am measuring a live 24 V control circuit?
The 1000 V rating is the maximum safe input; on a 24 V circuit the 400 mV to 400 V ranges give true-RMS readings with 0.01% + 1 count basic DC accuracy.
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