The main function of the alarm lamp of single-phase charge-controlled intelligent watt-hour meter is to give an alarm. Usually there is no fault or it is closed. If it is on, there may be something wrong with your watt-hour meter, such as low battery voltage, reverse, reverse sequence, voltage loss, current loss and disconnection. The alarm light of the electric meter will light up to remind the user that it is normal not to light up.
DDZY2 17 single-phase charge control intelligent watt-hour meter is a new generation of intelligent high-tech electric energy metering products developed and produced by Zhejiang Chen Tai Technology Co., Ltd., which is made of * electric energy metering chip, liquid crystal display and SMT technology. High metering accuracy, good reliability, strong overload capacity, low power consumption and long service life. It is used to measure the active energy of single-phase alternating current with rated frequency of 50Hz.