1. Adopting AD7755 chip, stable and accurate, reliable performance.

2. Accuracy level: 1.0 level, in line with GB/T17215-1998, IEC1036-1996.

3. Current specifications: 5(20)A, 5(30)A, 10(40)A, 20(80)A.

4. Rated voltage: AC220V.

5. Rated frequency: 50Hz.

6. Starting current: 0.4%Ib.

7. Power consumption: ≤1W,

8. Environmental working conditions: -20℃～+55℃, relative humidity does not exceed 85% (temperature +25℃).

9. Strong anti-electromagnetic interference ability, can be operated in harsh power environment.

10. Strengthen process control, unique process guarantee, high-reliability design smart watt-hour meter, divided into single-phase meter and three-phase meter, used for active energy measurement occasions, the user can pay for electricity input meter, the meter can only powered by. Each household has one meter and one card. The cards are not universal. Each card is used for electricity. It has the functions of pre-collecting electricity bills, automatic meter reading, anti-theft electricity, and automatic switch-off and power-off after the electricity in the card is used up.

At the same time, the user's power purchase information is managed by a computer, which makes it convenient to inquire, count, charge and print bills. The product adopts more advanced IC card technology and SMT process, as well as full electronic equipment that uses electric energy metering chip and single-chip microcomputer as core components. All technical indicators meet the technical requirements of GB/T18460.

Zhejiang Tepsung Electric Meter Co., Ltd . is a professional China manufacturer and supplier of prepaid electricity meter . The measurement accuracy and accuracy of the instrument strictly abide by the national standards. Please consult detailed information: https://www.yhddb.com/product/prepaid-kwh-meter/