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Fluke 789

Product overview: Fluke 789 ProcessMeter™

Fluke 789 ProcessMeter doubles your troubleshooting power and is Fluke Connect-enabled

The Fluke 789 ProcessMeter is the ultimate troubleshooting tool for electricians and instrumentation professionals. It combines the functionality of a loop calibrator with the power of a digital multimeter, and the wireless capabilities of Fluke Connect connectivity with optional IR3000FC module. The 789 has a display that's not only twice as large as the Fluke 787B, but also twice as bright with two levels of backlighting. And its built-in, selectable 250 ohm HART® resistor eliminates the need to carry a separate resistor.

The 789 also has a 24-Volt loop supply, which reduces the need to carry a separate power supply when doing offline transmitter testing. You can add an optional temperature measurement module and the wireless data logging capabilities of the Fluke Connect™ mobile app to log data wirelessly to your smart phone and review it from a remote location. So now process technicians can do a lot more while carrying a lot less.

Other useful features:

  • Includes 0% and 100% buttons to toggle between 4 and 20 mA sourcing for a quick span check
  • Provides all standard DMM capabilities including frequency measurement to 20 kHz, Min/Max/Average/Hold/Relative modes, and diode test and continuity beeper
  • Simultaneous displays mA and % of scale readings
  • Provides 20 mA DC current source/loop calibrator/simulator
  • Offers manual step (100%, 25%, Coarse, Fine) plus auto step and auto ramp
  • Delivers 0.1% dc voltage accuracy and 0.05% dc current accuracy
  • Provides 1200 ohm drive capability on mA source
  • Offers HART mode setting with loop power and a built-in 250 ohm resistor
  • Offers externally accessible fuses and batteries for easy replacement


Specifications: Fluke 789 ProcessMeter™


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 shoes diode voltage drop

Display current and % of span

Yes

Auto Step, Auto Ramp

Yes

Environmental Specifications

Operating temperature

-20°C to 55°C

Storage temperature

-40°C to 60°C

Humidity (without condensation)

95% up to 30°C
75% up to 40°C
45% up to 50°C
35% up to 55°C

Temperature coefficient

0.05 x (specified accuracy) per °C (for temperatures < 18°C or > 28°C)

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

Fluke 789

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  • Product: ProcessMeter
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Tags: fluke, 789, voltage, calibrator