Fluke 789 Overview

The Fluke model 789 is a process meter that features:

24 V Loop power supply

HART mode setting with loop power (adds 250 ohm resistor)

100 % larger dual display

1,200 ohm drive capability on mA source

Enhanced backlight with two brightness settings

0-100 % mA Span Check buttons to toggle between 4 and 20 mA

Externally accessible fuses for easy replacement

DMM designed to meet 1000 volt IEC 1010

CAT III standards

Precision 1000 V, 440 mA true-rms digital multimeter

Frequency measurement to 20 kHz

Min/Max/Average/Hold/Relative modes

Diode Test and Continuity Beeper

Simultaneous mA and % of scale readout

20 mA dc current source / loop calibrator / simulator

Manual Step (100 %, 25 %, Coarse, Fine) plus Auto Step and Auto Ramp

Externally accessible battery for easy battery changes

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