Three-phase four-wire true RMS AC voltage transducer

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  • This device is a 3-phase AC voltage isolation transducer. It is applied the principle of electromagnetic isolation and true RMS measurement. After True-RMS conversion, it can measure three-phase AC voltage non-sinusoidal alternating signal RMS, isolated and linearly output standard voltage or current signal. The product is widely used in non-standard waveform distortion sine wave real-time signal detection and monitoring.

    Data Sheet

    Test conditions: room temperature: 25°C;
    Input Range: 0~1V~500VAC;
    Output: voltage: 0~5V DC, 0~10VDC;
    Current:0~20mA, 4-20mA;
    Frequency: 0~5KHZ, 0~10KHZ;
    Power supply: 12VDC, 15VDC, 24VDC;
    Accuracy: 0.5;
    Load capacity: ≥2KΩ (voltage output), ≤250Ω (current output);
    Temperature drift: ≤350ppm/°C;
    Isolation voltage: ≥2500 V DC;
    Response time: ≤350 mS
    Rated power consumption: 0.5W (voltage output); 2W (current output);
    Output ripple: ≤10m;
    Frequency range: 45~65Hz (up to 5K, please specify when ordering);
    Surge immunity:
    Power port level ± 0.5KV (L-N/2Ω/integrated wave)                  
    Analog I / O port.± 0.5KV (L-N/40Ω/ integrated wave);
    Impulse immunity: input/ power port ± 2K,
     analog I/O port ± 1KV;
    Input overload capacity: Voltage: 2 times the nominal value;
    Operating temperature: -10 ~ 60°C; humidity: ≤95 %( no dew);
    Storage temperature: -55 ~+65°C; humidity: ≤95 % (no dew).

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    MS3.jpg

    MS3 case

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    Installation dimensions

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                                                                                   Wiring diagram of CE-VJ31A with voltage or current output

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                                                                                   Wiring diagram of CE-VJ41A with voltage or current output


    Each phase voltage is true RMS measurement;
    High precision, low temperature drift;
    Small size, easy to install on-site;
    High reliability, can be more than 2KV surge.

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