D124002 is the prepaid keypad meter with STS certificate.Built-in battery with large capacitor, power off showed more than 10 years. Opening the cover/ terminal cover will have tamper indication. Electricity company no need to worry about the safty problem. STS applys Token code (20 digits) to exchange the data and prepayment mode of information transmit.
2.The life of keyboard is more than 25,000 times approved by the third part of test organization
3.10 events record can be saved and checkd through communication.
4.It only need to type 20 codes for recharging, compared with tranditional meter, no need to worry about the trouble and damage due to loss of IC card.
5.Display content of LCD: present date, time, balance amount, total energy, instant voltage, instant current and instant power, etc.
6.LCD supports two modes: 5s automatical display and turn page by button
7.IR, RS485 communication
8.Open cover detection
9.Built-in 1 Relay