50/60Hz.It conforms to the whole request of GB/T17215-2002 standard 1class.
1.This Meter can be read by radio communication.
2.This meter integrates multi-functions to realize active (Bi-direction) energy measuring and displaying.
3.This meter has the reading function at the power-off.
4.It has tamper and fraud protection functions against phase lines wrong-connecting, i.e., Line in & Line out reversal, bypassing, short circuit in current circuit, external magnetic field influence and DC influence, etc., as well as recording, warning and displaying tamper occurrence.
5.The energy meter's active energy consumption data and the operation states can be transmitted through Hand Held Unit (HHU).