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Fluke 789 - ProcessMeter

ProcessMeter

Fluke

Category : Process Tools

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Documents:
Datasheet

Overview
Features
Information
Calibration

Double Your Power

The Fluke 787 was the first tool to combine a 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 Fluke 789 – the ultimate loop calibration multimeter. The Fluke 789 ProcessMeter combines a DMM and a Loop Calibrator, and 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

  • 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

Fluke 789 features that are also included in the Fluke 787

  • 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.

 

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 Ω @ 20 mA
Frequency to 19.999 kHz, 0.005% + 1 LSD
Continuity Beeps for resistance < 100 Ω
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 MΩ, 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 610 g (1.6 lbs)
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

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