DER2571 Digital Grounding Resistance Tester
This product is applicable to the measurement of grounding resistance and grounding voltage for various grounding devices, and also measurement of the resistance value soil resistivity and low resistance conductor.
With synchronous detection and other advanced technologies, strong anti-interference capability.
LCD digital display, high resolution, accurate value indication.
Battery gives power supply, with a voltage indicator.
When the tested grounding polarity or the current polarity auxiliary grounding resistance is over the upper limit value, there will be "OPEN CIRCUIT" displaying in the lower left corner.
Convenient operation, convenient portability, low power consumption.
Its structure is shockproof, dustproof, waterproof, and it can be used in bad working environment.
Measurement of grounding resistance (Applied to measurement of the soil resistivity, conductor resistance)
Instrumental Specification
Measuring Scope:
0.00~19.99W; 20.0~199.9W; 200~1999W
Accuracy:
Error: ≤±(5%+2d)
Measuring error leaded into by grounding voltage: ≤±2% AC 50Hz ≤5V;
Measurement error introduced by voltage polarity auxiliary grounding resistance RP and current polarity auxiliary grounding resistance RC: £±2%
RP£50kW
RP£1kW (Measurement Range: 0.00~19.99W)
RP£10kW (Measurement Range: 20.0~199.9W; 200~1999W)
Voltage to Ground
Measurement Range: 0.00~19.99V
Accuracy: £±(5%+2d)
Insulation Resistance: 500V ³20MW
Pressurization: AC 50Hz 1.5kV 1min
Working temperature and humidity: 0℃—+40℃ ≤85%RH
Storage temperature and humidity: -10℃—+45℃ ≤90%RH
Power: 8´1.5V (AA, R6) battery
Maximum Consumption: £150mA
Measurement: 255(L)*135(W)*80(D) mm
Weight: ≈0.8kg
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