An overview,

Zy-y02 measuring device comprehensive test system is a high-tech product developed to meet the needs of power consumption inspection management and power consumption inspection in metrology institute. The product provides a multi-functional testing method for on-site diagnosis of the accuracy of electric energy measurement for users of power distribution systems of 10KV and below, and to eliminate the illegal loss of electric energy. It provides reliable guarantee for electricity consumption and reasonable measurement, and provides fast and reliable testing basis for preventing electricity theft.

Two, performance indicators

Host Performance Indicators

Power consumption: less than 8VA;

2. Working power supply: high-capacity lithium ion rechargeable battery power supply, one charge can work continuously for more than 8 hours;

3. Wireless communication distance between host and extension: 10km in open area and 2km in urban area

4. Operating temperature: -20 ~ 50℃

Iii. Extension performance indicators

1. Voltage measurement range: AC 40 ~ 450V

2. Current transformer gear: 5A, 25A, 1500A

3. Frequency measurement range: 45 ~ 55Hz

4. Phase measurement range: -180 ~ +180°

5. Accuracy grade: 0.5

6. Power supply: AC 30 ~ 450V, from the measurement loop