Digital earth ground resistance tester Extech
| Type of meter | grounding resistance |
| Pollution degree | 2 |
| Features | autoranging; automatic power-off; autozeroing; HOLD function; low battery indicator |
| Display | LCD |
| Body dimensions | 250x190x110mm |
| Power supply | battery LR6 AA 1,5V x8 |
| Conform to the norm | CAT IV 300V EN 61010 |
| Measurement | resistance (2-wire), resistance (3-wire), resistance (4-wire), earthing resistance |
| Earthing resistance measuring accuracy | ±(2% + 3 digit) |
| Symbol | Product description |
|---|---|
| GRT300 | Meter:grounding resistance;LCD;2mA@820Hz;Pollution degree:2 |
