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FLUKE 789 ProcessMeter Digital Multimeter
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Item: FLUKE 789
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Double Your Power

The Fluke 787 was the first tool to combine a Digital Multimeter (DMM) and a loop calibrator to give process technicians double the power in one tool. Now it’s even better, the range is extended with the new Fluke 789 – the ultimate loop calibration multimeter. The Fluke 789 has a 24-Volt loop supply reducing the need for taking a separate power supply when doing offline transmitter testing. And with its built-in, selectable 250-Ohm Hart® resistor, it also eliminates the need to carry a separate resistor with you. Now process technicians can do a lot more while carrying a lot less.

Features of the Fluke 789 ProcessMeter Digital Multimeter

  • 24 V Loop power supply
  • Very large dual display
  • Enhanced backlight with 2 brightness settings
  • 1200 Ohm drive capability on mA source
  • HART mode setting with loop power and a built-in 250 ohm resistor
  • 0% and 100 % buttons to toggle between 4 and 20 mA sourcing for a quick span check
  • Externally accessible fuses for easy replacement
  • Infrared-port to process data in FlukeView Forms (V2.1) software
  • Precision 1000 V, 440 mA True-RMS digital Multimeter
  • 0.1% dc voltage accuracy
  • 0.05% dc current accuracy
  • 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

Safety Conformance

Meets 1000 Volt EN61010-1 CAT III standards and 600 Volt EN61010-1 CAT IV standards.

FLUKE 789 ProcessMeter Digital Multimeter Specifications
Current Measurement
Range: 0-1 A AC or DC
Resolution: 1 mA
Accuracy: 0.2% + 2 LSD (DC)
   
Range: 0-30 mA
Resolution: 0.001 mA
Accuracy: 0.05% + 2 LSD
Current Sourcing
Range: 0-20 mA or 4-20 mA
Resolution: 0.05% of span
Drive Capability: 24 V Compliance or 1200 ? @ 20 mA
Frequency
  to 19.999 kHz, 0.005% + 1 LSD
Continuity
  Beeps for resistance < 100 ?
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 M?, 0.2% + 1 LSD
Diode test
  2.0 V shows diode voltage drop
Display current and % of span
  Yes
Auto step, auto ramp
  Yes

Environmental Specifications
Operating Temperature
  -20 ºC to 55 ºC
Storage Temperature
  -40 ºC to 60 ºC
Humidity (Without Condensation)
  95% up to 30 ºC
  75% up to 40 ºC
  45% up to 50 ºC
  35% up to 55 ºC
Temperature Coefficient
  0.05 x (specified accuracy) per ºC (for temperatures < 18 ºC or > 28 ºC)

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 & General Specifications
Size
  50 x 100 x 203 mm (1.25" H x 3.41"W x 7.35" L)
Weight
  600 g (13 oz.)
Batteries
  4 AA Alkaline batteries
Warranty
  3 years
Battery Life
  140 hours typical (measurement), 10 hours typical (sourcing 20 mA)
Shock & Vibration
  Random, 2 g, 5-500 Hz
  1 meter drop test

View Product Manual