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EXTECH GRT300 4-Wire Earth Ground Resistance Tester Kit
# GRT300
- Earth resistance measurements up to 2000?
- 2, 3 and 4 wire testing procedures
- Also measures AC earth voltage
- 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
- Test leads with alligator clips
- 4 auxiliary earth bars
- Hard carrying case
- Eight 1.5V AA batteries
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