... : -10 ~ 70 ºC ±1.5 ºC ***Special Functions: ♦ USB Interface♦ Measurement of Insulation Resistance for HP Devices (Transformer, Electric ... 10groups, manual save 100 groups) ♦ Data Upload Function via USB interface♦Display Refresh Rate: 1 Time/s (0.25 ... battery × 6,Data analysis Software , Temp. sensor, Tester probes , USB cable ,User Manual, Gift Box♦ Optional Accessories: rechargeable battery, charger ...