This document is the technical manual for model 61-920, providing information such as precautions and safety information, specifications, performance test procedure, calibration and calibration adjustment procedure, basic maintenance, etc.
This document is a technical service manual for the Ideal Industries 61-920 Ground Resistance Clamp Meter. It provides essential information for qualified personnel regarding precautions, safety symbols, and general specifications such as display limits, operating environment, and power requirements.
The guide details performance verification procedures using specific test loops and current sources to ensure meter accuracy. It also includes step-by-step instructions for calibration adjustments, disassembly for component access, troubleshooting common defects like backlight issues or data saving failures, and a complete list of spare parts with part numbers.
| Display | LCD with a maximum count of 2099 |
|---|---|
| Conductor Size | Approximately 1.25" in diameter max. |
| Power Source | 4 "AA" batteries |
| Measurement Time | Approx 24 hrs with alkaline batteries |
| Auto Power Off | Turns power off after 10 minutes of non-use |
The meter can clamp conductors with a diameter of approximately 1.25 inches or less.
The meter operates for approximately 24 hours using alkaline batteries.
The unit will automatically turn off the power after 10 minutes of non-use.