Key facts
- Brand
- Fluke
- Model
- 787B
- Category
- Other Electronics
- Industry
- Electronics
- Documents
- 2
- Languages
- EN
- Last added
- 2026-09-30
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Fluke 789/787B ProcessMeter User 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.
Fluke 787B specifications
| Input Impedance | 10 MΩ (nominal) |
|---|---|
| Overvoltage Protection | 1000 V |
| Loop Power Supply Voltage (789 only) | 24 V |
| Battery Type | IEC LR6 (AA Alkaline) |
| Physical Size | 10.0 cm × 20.3 cm × 5.0 cm |
| Weight | 610 g |
All Fluke 787B documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Disassembly, diagnostics and part numbers, for repair.
Questions answered in these manuals
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.
Who is qualified to perform the calibration procedures?
The information provided in this manual is for the use of qualified personnel only.
What should be done if the batteries are not removed for an extended period?
Remove the batteries if the Product is not used for an extended period of time, or if stored in temperatures above 50 °C.