GRT300: 4-Wire Earth Ground Resistance Tester
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Extech GRT300 4 Wire Earth Ground Resistance Tester
The Extech 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. Complete with test leads with alligator clips, 4 auxiliary earth bars, hard carrying case, and eight 1.5V AA batteries.
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
Specifications:
| Earth Ground Resistance ranges | 2?/20?/ 200?/2000? |
| Basic Accuracy | ±(2%rdg+3d) |
| Resolution | 0.01?/ 0.1?/1?/0.01k? |
| Test Current / Frequency | <2mA / 820Hz |
| AC Earth Voltage / Frequency | 0 to 300VAC / 40 to 500Hz |
| Accuracy | ±(2%rdg+3d) |
| Power supply | Eight 1.5V 'AA' Batteries |
| Dimensions | 9.8 x 7.8 x 4.3" (250 x 190 x 110mm) |
| Weight | 3.15lbs (1430g) (batteries included) |
Extech GRT300 4 Wire Earth Ground Resistance Tester
The Extech 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. Complete with test leads with alligator clips, 4 auxiliary earth bars, hard carrying case, and eight 1.5V AA batteries.
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
Specifications:
| Earth Ground Resistance ranges | 2?/20?/ 200?/2000? |
| Basic Accuracy | ±(2%rdg+3d) |
| Resolution | 0.01?/ 0.1?/1?/0.01k? |
| Test Current / Frequency | <2mA / 820Hz |
| AC Earth Voltage / Frequency | 0 to 300VAC / 40 to 500Hz |
| Accuracy | ±(2%rdg+3d) |
| Power supply | Eight 1.5V 'AA' Batteries |
| Dimensions | 9.8 x 7.8 x 4.3" (250 x 190 x 110mm) |
| Weight | 3.15lbs (1430g) (batteries included) |
Estimated between and
Will usually ship within 1 business day.
 |
Due to COVID restrictions, Please allow up to 10 days for your order to arrive. We source products from all over the world to bring you epic offers and the lowest prices. This means sometimes you have to wait a little longer to get your order but it's always worth it! |
|
 |
Returns are easy, simply contact us for a returns number and send your item to our returns center for fast processing. We'll get you a replacement or refund in a snap! |
Extech GRT300 4 Wire Earth Ground Resistance Tester
The Extech 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. Complete with test leads with alligator clips, 4 auxiliary earth bars, hard carrying case, and eight 1.5V AA batteries.
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
Specifications:
| Earth Ground Resistance ranges | 2?/20?/ 200?/2000? |
| Basic Accuracy | ±(2%rdg+3d) |
| Resolution | 0.01?/ 0.1?/1?/0.01k? |
| Test Current / Frequency | <2mA / 820Hz |
| AC Earth Voltage / Frequency | 0 to 300VAC / 40 to 500Hz |
| Accuracy | ±(2%rdg+3d) |
| Power supply | Eight 1.5V 'AA' Batteries |
| Dimensions | 9.8 x 7.8 x 4.3" (250 x 190 x 110mm) |
| Weight | 3.15lbs (1430g) (batteries included) |
Estimated between and
Will usually ship within 1 business day.
|
Due to COVID restrictions, Please allow up to 10 days for your order to arrive. We source products from all over the world to bring you epic offers and the lowest prices. This means sometimes you have to wait a little longer to get your order but it's always worth it! |
|
|
Returns are easy, simply contact us for a returns number and send your item to our returns center for fast processing. We'll get you a replacement or refund in a snap! |
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