There are two common prestorage methods for Single Phase Prepaid Energy Meter, one is code type, the other is write card type.
The code principle is: the management system combines the user information with the purchase of electricity information to generate a set of encrypted code and input it to the user to enter the meter itself. After the correct decryption is decrypted, the amount of electricity or amount is saved and saved.
Zhejiang Chint Instrument & Meter Co., Ltd
Wenzhou Production Base: Wenzhou Bridge Industrial Zone, Yueqing, Zhejiang, PR.China
Headquarter: No.560, Yueming Road, Binjiang District, Hangzhou, Zhejiang, China