Function Overview Design and manufacture of the instrument and testing achieves IEC61010 safety standards (electronic measuring product safety requirements), this manual including the safety of the instrument use and ensure the safety of equipment state, users must follow the warnings and safety regulations Please read the following instructions before use. Major Technical Indicators • Safety Standard I EC 61326 EMC specification: test, control and electrical equipment for testing IEC60529 IP64 (Outer closed state) • AC Power:220V±10%,50/60 HZ,20 VA •battery: 16.8V Lithium ion rechargeable battery • Test voltage accuracy: the nominal value 100% to 110% • Current test range: 10mA • Capacitance testing accuracy: 15%+0.03uF • Capacitor discharge rate: from 10000V to 10V,0.5S/pF • Insulation resistance testing range and accuracy :T:23±5°C ,RH :45 - 75% Instrument Features Intelligent High-voltage insulation resistance tester, with 5 range: 500V, 1000V, 2500V, 5000V, 10000V, test up to 10TQ. • Strict accordance with the safety standards for design • Insulation resistance range 10TQ @ 10 kv • Short circuit current can be adjusted, maximum 5 mA (Up to 10mA short circuit current product can be ordered. • Automatic display polarization index (PI), Induced electric absorption ratio test values (DAR), and can test the leakage current and capacitance. • The anti-interference performance is superior. When the interference current reaches 2mA, the instrument still ensures the test accuracy. • Rapid discharge of capacitive test products, no need for manual discharge when testing cables, automatic rapid discharge of instruments. •2 power supply modes: the battery is powered by lithium ion battery, and the battery life can reach 4 hours (10000V @100m test resistance). It can also be charged while in use. In case of power failure, it can be automatically converted from AC power supply to battery power supply. • Insulation resistance simulation column. • Digital filtering functions, external influence deviation display value causing mitigation point using filter function. • Perfect protection function, and the spare fuse prompt functions.