789 ProcessMeter™ Calibration Manual
The Fluke 789 ProcessMeter Calibration Manual is a technical guide intended for qualified personnel to perform calibration verification and adjustment on the 789 ProcessMeter. It covers safety information, basic maintenance tasks such as cleaning and battery replacement, and detailed procedures for verifying and adjusting various measurement functions including DC/AC volts, current, resistance, frequency, and diode tests. The document specifies that all procedures should only be performed by qualified users to prevent damage to the product or injury.
| Input Impedance | 10 MΩ (nominal), <100 pF |
|---|---|
| AC Volts Frequency Range | 45 Hz to 200 Hz |
| Overvoltage Protection | 1000 V DC |
| Maximum Crest Factor | 3 |
The information provided in this manual is for the use of qualified personnel only.
The standard specification interval is 1 year.
Use only type AA batteries, properly installed in the meter case.