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Extech GRT300 Earth Ground Resistance Tester Kit, 2000Ω, 300V AC, 820Hz
Model # GRT300Key Features
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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
Technical Information
- Earthground Ranges2Ω/20Ω/ 200Ω/2000Ω
- Basic Accuracy±(2%rdg+3d)
- Resolution0.01Ω/ 0.1Ω/1Ω/0.01kΩ
- Test Current/Frequency2mA / 820Hz
- AC Earth Voltage/Frequency0 to 300VAC / 40 to 500Hz
- Accuracy±(2%rdg+3d)
- Power supplyEight 1.5V 'AA' Batteries
- Dimensions9.8 x 7.8 x 4.3in (250 x 190 x 110mm)
- Weight3.15lbs (1430g)
Items Included
- test leads with alligator clips
- 4 auxiliary earth bars
- hard carrying case
- eight 1.5V AA batteries