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.