The Fluke 789/787B ProcessMeter user manual provides safety guidelines, operation instructions, specifications, and maintenance information for the handheld…
About this manual
The Fluke 789/787B ProcessMeter is a handheld, battery‑operated tool that measures electrical parameters and supplies steady or ramping current for testing process instruments. The manual introduces the meter, its safety requirements, and how to get started with basic functions.
It covers detailed sections on safety information, getting acquainted with the meter, measuring voltage, current, resistance, diode testing, and using the current‑output functions (source and simulate modes). Additional chapters describe power‑up options, battery life, maintenance, calibration, replacement parts, and a full specification table.
What's inside
- Safety Information
- Getting Acquainted with the Meter
- Measuring Electrical Parameters
- Current Output Functions
- Power‑Up Options
- Maintenance and Calibration
- Specifications
Specifications
| Input Impedance | 10 MΩ (nominal) |
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| Overvoltage Protection | 1000 V |
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| Loop Power Supply Voltage (789 only) | 24 V |
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| Battery Type | IEC LR6 (AA Alkaline) |
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| Physical Size | 10.0 cm × 20.3 cm × 5.0 cm |
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| Weight | 610 g |
Frequently asked questions
What safety precautions should be followed when using the ProcessMeter?
Read all safety information, keep the battery door closed and locked, use approved PPE, avoid applying voltages above the rated limits, and never work alone in hazardous environments.
What is the input impedance of the ProcessMeter?
The meter has a nominal input impedance of 10 MΩ.
What is the maximum voltage allowed between any terminal and earth ground?
The maximum voltage between any terminal and earth ground is 1000 V.