Johnson 5 to 20A single-phase digital ammeter-Fornitore globale

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3rd Floor, Building B, Shuangli Industrial Park, Fanghu North 2nd Road, Huli District, Xiamen City

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Johnson 5 to 20A single-phase digital ammeter

Product details

Johnson 5 to 20A single-phase digital ammeter

5 to 20A single-phase digital ammeter

1、 Main performance indicators

1. Display four digits, display range: 0.000-9999;

2. Accuracy levels: 0.5, 0.2;

3. Overload capacity: continuous: 1.2 times, instantaneous: current 10 times/5 seconds, voltage 2 times/1 second.

4. Nominal input: AC current 1A, 5A; AC voltage 100V, 220V, 380V;

5. Variable output: DC4-20mA, 0-5V; (Extended functions);

6. RS485 communication interface, using Modbus communication protocol (extended function);

7. Equipped with two relay outputs (extended function);

8. Power supply: AC220V; AC/DC85~265V；

9. Power consumption:<>

10. Insulation strength: 2KV/1min;

2、 Instrument wiring method: Please refer to the random wiring diagram

3、 Precautions before use

1. The working environment temperature is -25~55 degrees Celsius.

2. Before powering on, check that all terminal connections are correct and secure;

3. The communication format and baud rate are both factory default values of e, 84800;

4. Do not calibrate without standard instruments and non professionals;

5. The current terminal screws in the CT circuit must be tightened to ensure reliable contact of the leads and prevent accidents;

6. When the input nominal current exceeds AC 5A, an additional current transformer CT (secondary current 5A) is required.

The recommended model is produced by Johnson IntelligentPMS481I digital ammeter (48 * 48)

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