Shandong smart meter manufacturer, with years of industry experience and advanced technical equipment

introduction

1. It has multiple anti-theft functions, with low starting current, no creep, wide load, low power consumption, straight error curve, and good stability during long-term operation. Single phase local cost control smart meter

Beautiful appearance, small size, light weight, and easy installation.

3. High accuracy: Fully electronic design, built-in imported dedicated chip, accuracy is not affected by frequency, temperature, voltage, and high-order harmonics.

4. Long lifespan: Using SMT technology and optimized circuit design, the entire machine does not need to adjust the circuit after leaving the factory.

5. Low power consumption: Adopting a low-power design to reduce power grid line losses.

6. Pre order electricity quantity; IC card transfers data and implements data retrieval, including: retrieval of total electricity consumption, remaining electricity consumption, accumulated purchased electricity in the meter, total number of purchased electricity times, and other information.

7. Store table constants, initial values, user addresses, names, and other information.

8 overload alarm, power outage, remaining battery alarm, reminding users to purchase electricity in a timely manner.

9 Technical parameters:

Adopting a long-life base table to extend the service life

Accuracy level is 2

Current range;

5（20）A10（40）A 15（60）A20（80）A 30（100）A

Power consumption: ≤ 1W

Main technical indicators

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

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

3. Current specification: 5 (20) A10 (40) A 15 (60) A20 (80) A 30 (100) A

4 Rated voltage: AC220V 380V

5. Rated frequency: 50Hz

6. Starting current: 0.4% Ib

7. Power consumption: ≤ 1W

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

9. Strong anti-interference ability, capable of operating in harsh power environments

10. Strengthen process control, ensure unique processes, and design with high reliability