3M™ Ground Pro Ground Integrity Meter Model CTM051 User’s Guide
This user guide explains how to safely operate the 3M CTM051 Ground Pro Ground Integrity Meter, covering safety information, battery handling, and power management. It describes the instrument’s controls, indicators, and measurement modes for impedance, AC/DC voltage, and high‑frequency noise.
The manual also details reference settings, auto‑zero functions, and provides full technical specifications such as impedance range, EMI bandwidth, and battery requirements. Regulatory and hazardous substance information is included at the end of the document.
| Impedance Range | 0.001 – 1.999 Ω |
|---|---|
| EMI Bandwidth | 9 kHz – 450 MHz |
| AC Voltage Range | 0.001 – 270 V RMS (50‑500 Hz) |
| DC Voltage Range | 0.001 – 400 V |
| Battery | 9 V alkaline |
| Dimensions | 4.5 in × 3.6 in × 1.1 in (114 mm × 92 mm × 28 mm) |
Use the Up and Down arrow buttons while in the desired measurement mode to select the appropriate scale.