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Function: Used for calibration of ground resistance tester, equipotential tester, etc.
Range: 1mΩ，10mΩ，100mΩ，1Ω，10Ω，100Ω，1KΩ，10KΩ，100KΩ
Wiring method: Four-wire method
Capacity factor: 1/2W
Temperature coefficient: ±25ppm
Size: L/W/T：187*119*48mm
Test line length: Red 0.5m，black 0.5m each 2pcs
Weight: About 550g
Working temperature and humidity: -10℃～40℃；below 70%rh
Storage temperature and humidity: -20℃～60℃；below 80%rh
Insulation resistance: More than 10MΩ(between the circuit and the housing 500V)
Pressure resistance: AC 3700V/rms(between the circuit and the housing)
Suitable for safety regulations: IEC61010-1, CAT III 600V, pollution level, JJG166-1993 《DC Resistance Test Procedures》
