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Extech GRT300 4-Wire Earth Ground Resistance Tester Kit
Item #:
EXT-GRT300
Brand:
Extech
Share this product:
GRT300 4-Wire Earth Ground Resistance Tester Kit by Extech
Features
- 4-wire, 3-wire, and 2-wire testing
- Large dual line LCD
- Autoranging
- Automatic I (current) spike check
- Automatic P (potential) spike check
- Test Hold function for easy operation
- Automatic Zero adjustment
- AC Earth Voltage
- Data Hold and Auto Power off
- Overrange and low battery indication
| Measuring Ranges | Earth Resistance: 0-2Ω, 0-20Ω, 0-200Ω, 0-2kΩ Earth Voltage: 0-300V AC (40 to 500Hz) |
| Accuracy | Earth Resistance: ±(2%rdg+3dgt) Earth Voltage: ±(2%rdg+3dgt) |
| Earth Resistance Resolution |
0-2Ω : 0.01Ω 0-20Ω : 0.1Ω 0-200Ω : 1Ω 0-2kΩ : 0.01kΩ |
| Test Frequency | 820Hz |
| Test Current | 2mA |
| Temperature & Humidity | Operating : 0 to 50°C (32 to 122°F) ≤80%R.H. Storage : -10 to 60°C (14 to 140°F)≤0%R.H. |
| Power Source | 1.5V(AA) x 8 |
| Dimensions | 250(L) x 190(W) x 110(D)mm (9.84x7.5x4.33") |
| Weight | Approx. 1430g(battery included) |
| Fuse | 0.1A/250V 5 x 20mm |
