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| 4-Wire Earth Ground Resistance Tester Kit HHM-GRT300 |
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HHM-GRT300
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2, 3, and 4-Wire Testing
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Large Dual Line LCD
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Autoranging
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Automatic I (Current) Spike Check
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Automatic P (Potential) Spike Check
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Test Hold Function for Easy Operation
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Automatic Zero Adjustment
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AC Earth Voltage
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Data Hold and Auto Power Off
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Overrange and Low Battery Indication
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The HHM-GRT300 4-wire earth resistance tester has been designed and tested according to the IEC Publication 348, safety requirements for Electronic Measuring Apparatus, EN 61010-1, EN 61326-1, EN 61557-1, EN 61557-5 and other safety standards.
SPECIFICATIONS (Please review Specs pdf for complete product features and specifications)
Measuring Ranges Earth Resistance:
0 to 2Ω, 0 to 20Ω, 0 to 200Ω, 0 to 2 KΩ
Earth Voltage: 0 to 300 Vac (40 to 500 Hz)
Accuracy Earth Resistance: ±(2% rdg + 3 dgt)
Earth Voltage: ±(2% rdg + 3 dgt)
Earth Resistance/Resolution:
0 to 2 Ω/0.01 Ω
0 to 20 Ω/0.1 Ω
0 to 200 Ω/1 Ω
0 to 2 KΩ/0.01 KΩ
Test Frequency: 820 Hz
Test Current: 2mA
Temperature and Humidity Operating:
0 to 50°C (32 to 122°F) 80% relative humidity
Storage: -10 to 60°C (14 to 140°F) 80% relative humidity
Power Source: 1.5V “AA” x 8 (included)
Dimensions: 250 L x 190 W x 110 mm D (9.84 x 7.5 x 4.33")
Weight: Approx. 1430 g (50.44 oz)(battery included)
Fuse: 0.1A/250V 5 x 20 mm
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