Fluke 789 Combined Multimeter and Loop Calibrator
The Fluke 789 ProcessMeter is a combined digital multimeter and loop calibrator.
Precision 1000V, 440mA digital Multimeter measures a.c. and d.c. volts, a.c. and d.c. current, resistance, continuity and frequency.
d.c. mA current source / loop calibrator / 20mA current source/ simulator / % of scale readout
True r.m.s. a.c. voltage measurement
Frequency measurement to 20kHz
Min./ Max./Peak Hold/Hold/Relative modes
24V loop power supply
Manual Step, Auto Step, Auto Ramp
0% and 100% buttons to toggle between 4 and 20mA
1200 Ohm drive capability on mA source
HART mode setting with loop power incorporating 250 Ohm resistor
Externally accessible battery
Diode test and Continuity Beeper
Large dual display LCD
4000 display count
2 brightness settings for backlight
Technical Specification
DC Voltage Accuracy
±0.1%
DC Current Accuracy
±0.05%
DC Voltage Digits
+1 D
DC Current Digits
+2 D
DC Voltage Lowest Range
4V
DC Current Lowest Range
30mA
DC Voltage Highest Range
1000V
DC Current Highest Range
1A
DC Voltage Lowest Resolution
0.001V
DC Current Lowest Resolution
1μA
AC Voltage Accuracy
±7%
AC Current Accuracy
±1%
AC Voltage Digits
+4 D
AC Current Digits
+2 D
AC Voltage Lowest Range
400mV
AC Current Lowest Range
-
AC Voltage Highest Range
1000V
AC Current Highest Range
1A
AC Voltage Lowest Resolution
0.1mV
AC Current Lowest Resolution
0.001A
AC Voltage Max Frequency
20kHz
Resistance Accuracy
±0.2%
Resistance Digits
+2 D
Supplied with
TL75 test lead set, AC72 crocodile clips, four AA alkaline batteries (installed).
