Insulation Resistance Tester





Insulation Resistance Tester Principle

The high voltage generated from the instrument's circuit terminal flows through the load resistance Rx and returns to the instrument's ground terminal. After internal circuit sampling, the signal is divided into two paths: one path is converted by V/I to drive the pointer meter, and the other path is processed by the microcontroller after A/D conversion, with the result displayed on the LCD screen. At the same time, the microcontroller processes the high-voltage amplitude and power supply voltage signals.



Insulation Resistance Tester Parameters
































High Voltage Short Circuit Current




≥3mA




Working Power Supply




8 AA rechargeable batteries, external charging adapter




Working Temperature and Humidity




-10℃~40℃, maximum relative humidity 85%




Storage Temperature and Humidity




-20℃~60℃, maximum relative humidity 90%




Insulation Performance




When the voltage between circuit and housing is 1000V DC, maximum 2000MΩ




Withstand Voltage Performance




When the voltage between circuit and housing is 2500V AC, withstand for 1 minute


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Yangzhou DARUI Electric Co., Ltd.
Main Products: Dielectric Loss Tester, Transformer Ratio Tester, Loop Resistance Tester, HV Wireless Phase Detector, Insulation Resistance Tester, Partial Discharge Tester, Cable Fault Tester, DC Resistance Tester, etc.
☎ Tel: 18952707000 (Manager Guan)📞 Landline: 0514-88770377✉ Email: 195214804@qq.com
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