Hunan multi-function electric meter is suitable for measuring and displaying electrical parameters such as current, voltage, power, frequency, and power factor in power grids and automatic monitoring systems, with advantages of high accuracy, good stability, and resistance to vibration. Products in line with international GB/T 13978-92.

Hunan multi-function meter general technical indicators

1. Accuracy grade: 0.5, 0.2

2. Operating current: AC 110V, 220V, 380V; DC 48V, 110V, 220V, (or as specified by the user)

3. Nominal input: current 1A, 5A; voltage 48V, 110V, 220V, 380V (or user-specified)

4. Over-range: Continuous: 1.2 times, instantaneous: current 10 times/5 seconds, voltage 2 times/1 second

5. Frequency: 50Hz±10%

6. Power consumption: <5VA

7. Output contact capacity: AC220V/5A

8. Communication interface: RS485, baud rate (factory) 4800 (optional) 9600, ModBus protocol

9. Insulation strength: 2000V (AC rms, case and terminal)

10. Insulation resistance: 100MΩ (case and terminal)

11. Average time between failures: ≥50000h

12. Hunan multi-function meter working conditions: ambient temperature -25% ~ 55 °C, relative humidity ≤ 95%, non-corrosive gas places

13. Altitude: ≤2500m

14. Electromagnetic Compatibility Anti-interference Characteristics: GB/T 17625.5 - Surge impact test zone III

GB/T 17626.4-Rapid transient experiment class III

GB/T 17626.2 - Electrostatic discharge experiment level III

GB/T 17626.11 - Voltage sag, short interruption test III

1. Measurement item: AC (0 to 5A)

2. CT settings: 0 to 1000

3. Accuracy level: 0.5

4. Working power supply: AC220V±10%