4-Wire Earth Ground Resistance Tester Kit

HHM-GRT300

Earth Ground Resistance Tester Kit 4-Wire

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2, 3, and 4-Wire Testing
Large Dual Line LCD
Autoranging
Automatic I (Current) Spike Check
Automatic P (Potential) Spike Check
Test Hold Function for Easy Operation
Automatic Zero Adjustment
AC Earth Voltage
Data Hold and Auto Power Off
Overrange and Low Battery Indication

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商品説明

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