Specification: ParameterMinimumConventional valueMaxOperating Voltage 10.0V 50.0V 120.0VW orking-power consumption 10.0 mA 15.0 mAStandby-power consumption 1.0 mA 2.0 mAVoltage acquisition accuracy ± 2.0 % Current acquisition accuracy ± 2.0 % Capacity acquisition accuracy ± 2.0 % Backlight on current 80.0 mA 100.0 mABacklight off current 50.0 mA 60.0 mADefault capacity value 0.1A h 999Ah50A sampler current 0.0A 50.0A 75.0A 350A sampler current 0.0A 350.0A 500.0A 500A sampler current 0.0A 500.0A 750.0AA mbient temperature0?20?35?weight75gSize94mmx55mmx20mmPackage included: 1 x TF03K Coulomb Meter 1 x 1M Coulomb meter line+Accessories