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Extech GRT300 4-Wire Earth Ground Resistance Tester
4-Wire Earth Ground Resistance Tester
Order #: GRT300
Mfg #: GRT300
Availability: Ships in 3-4 weeks
Tariff fees or manufacture imposed surcharges may be applicable.
This product is available for shipping to the United States, Canada, and Puerto Rico only.
Product Highlights
- Measure 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
Each Unit Includes
- Test leads with alligator clips
- 4 auxiliary earth bars
- Hard carrying case
- Eight 1.5V AA batteries