Features: 1.Comply with IEC/EN 61010-1 1000V CAT II,600V CAT III Safety standards 2.Maximum common mode voltage:600V AC RMS 3.Display method:it is displayed on the LCD with maximum value at 6000 4.Measuring range selection:Auto/manual measuring range 5.Frequency detection:Auto 6.Overrange indication:”>” 7.Power consumption:100mW 8.Storage temperature:-20~70C 9.Working temperature:0~40C 10.Temperature factor:When the temperature is lower than 18C or above 28C the factor is per(°) x 0.05 x (appointed accuracy) 11.Electromagnetic compatibility:in a 3V/M RF (Radio Frequency) magnetic field,accuracy = appointed accuracy;otherwise,the accuracy is not appointed. 12.Storage elevation:12000m 13.Usage elevation:2000m CAT III 600V;3000 CAT II 600V 14.Size:200*155*76mm 15.Net Weight:about 500g                 Trip-outtime    x1IΔΝ300(slow500ms)    ±3ms    0.1ms        x5IΔΝ40ms(slow150ms)        Trip-outcurrent    (0.2~1.1)IΔΝ    ±0.1IΔΝ    0.05IΔΝ        Contactvoltage    0~99.9V    ±(10%+0.2V)    0.01,0.1V        AlternatingVoltage    0~440V    ±(3%+3V)    1V        (UI-N,UL-L,UL-E)        Frequency    DC,45~65Hz    ±1Hz    1Hz        LoopResistance(RL)    10.00Ω-9.99KΩ    ±(10%+0.2d)    0.1Ω          RLCurrentTest    0.5IΔΝ    ±(10%+10d)    0.05IΔΝ        MultiplyingPower    x0.5,x1,x5                oftestCurrent        CurrentLevel(IΔΝ)    10mA,30mA,100mA                300mA,500mA        TriggerPhaseAngle    0°or180°                RCDTestCurrentSelectionTable        IΔΝ(mA)    IΔX1/2(mA)    IΔX1(mA)    IΔX5(mA)    Auto(mA)        10    5    10    50    10        30    15    30    150    30        100    50    100    500    100