TK3330 miniature three-phase standard energy meter (direct type)

TK3330 miniature three-phase standard energy meter (direct connection type) ◉ TK3330 is a miniature three-phase direct connection type standard energy meter, with two specifications to choose from: 0.01 level/0.02 level. ◉ Suitable for on-site detection of basic errors, power stability, distortion, etc. of the automatic calibration system for three-phase direct connected electric energy meters, which can comprehensively improve the automation and detection level of the measuring equipment. ◉ Powered by a built-in battery, it can reduce the impact of traditional PT power supply methods on accuracy testing. ◉ With a wide range of current measurement capability from 5 mA to 120 A, current measurement does not require a single range change and has high reliability. ◉ The external dimensions should be consistent with the existing national electricity meter to achieve full automation testing.