Description

Extech GRT300
- Earth Ground Resistance ranges: 2Ω/20Ω/ 200Ω/2000Ω
- Basic Accuracy: ±(2%rdg+3d)
- Resolution: 0.01Ω/ 0.1Ω/1Ω/0.01kΩ
- Test Current / Frequency: <2mA / 820Hz
- AC Earth Voltage / Frequency: 0 to 300VAC / 40 to 500Hz
- Accuracy: ±(2%rdg+3d)
4-Wire Earth Ground Resistance Tester
Measures earth ground resistance in 4 ranges from 2 to 2000 Ohm
The GRT300 measures earth ground in 4 ranges from 2 to 2000 Ohm. 4-wire, 3-wire, and 2-wire testing. Large dual line LCD. Automatic I (current) and P (potential) spike check. Test Hold function for easy operation. Autoranging, Automatic Zero adjustment, Data Hold and Auto Power off. AC Earth Voltage. Overrange and low battery indication.
Ground Testers/3 Pole / 4 Pole Ground Testers Template | |
|---|---|
| Type | 4 Pole |
| Display (3 Pole Testers) | Digital |
| Ground Resistance Range | 2000 Ohms (2 K Ohms) |
| Operating Frequency | 820 Hz |
| Accuracy | ±(2%rdg+3d) |
| Measuring Current | 2 mA |
| Measuring Voltage | 300 V |
| Measuring Frequency | 820 Hz |
| Soil Resistivity | No |
| Stakeless Capability | No |
| CAT Rating | IV |
| CAT Voltage | 300 V |
| Optional Ground Kit Included | No |
| Auto Ranging | Yes |
Product General Attributes | |
| Unique Features | 4-wire, 3-wire, and 2-wire testing Large dual line LCD Automatic I (current) and P (potential) spike check Test Hold function for easy operation Autoranging, Automatic Zero adjustment, Data Hold and Auto Power off AC Earth Voltage Overrange and low battery indication Complete with test leads with alligator clips, 4 auxiliary earth bars, hard carrying case, and eight 1.5V AA batteries |
| Warranty | 2 YEARS |
| Warranty Details | Limited Two Years Warranty |
| Safety Approval | CE |
| Product Weight | 3.15 LBS |
| Product Height | 4.33 IN |
| Product Length | 9.84 IN Product Length 250(L) x 190(W) x 110(D)mm |
| Product Width | 7.8 IN |
| Calibration Included | Factory Calibration |
| Battery Type | AA Battery Type eight 1.5V AA batteries |
| Power Supply Voltage | Battery Powered |
| Country of Origin | Taiwan |
| Shipping Height | 6.50 IN |
| Shipping Length | 15.00 IN |
| Shipping Width | 11.75 IN |










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