1.Product function: Be used forInsulation resistance test of cable, motor, generator, transformer, transformer, high voltage switch, lightning arrester and other large equipment. 2.Product characteristics: OneHigh resolution LCD display, full Chinese operation interface, clear and convenient reading, high resolution LCD, full Chinese operation interface, reading clear and convenient. TwoAutomatic calculation of absorption ratio and polarization index and automatic storageThe minute-to-minute data of 15 seconds, 1 minute and 10 minutes are easy to analyze. ThreeThe output current is larger than the short circuit current.5mA. FourIt has strong anti-interference ability and can meet the field operation of UHV substation. FiveThe automatic discharge is completed and the discharge process is monitored in real time. SixWith rechargeable batteries and chargers, full charge can be used continuously when backlight is not used.6~12 hours 3.Specification: Model Insulation Resistance Range Test voltage short-circuit current Absorption Ratio and Polarization Index ETCR3440A 0.1M~400G_ 5KV >5mA Yes Main technical performance Gong Neng Measurement of Insulation Resistance Accuracy (10%+5) measuring range 0.1M~400G_ Test voltage Setting range: 0.5KV-5KV; Accuracy: 5%+10V short-circuit current >5mA Automatic calculation of absorption ratio And polarization index Yes Charging function Yes, it can be used continuously for 6 to 12 hours when it is full of electricity.