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PZEM-004T Voltage Current Watt Meter Single Phase Small AC Voltmeter TTL Modbus Electric Energy Meters No outcase

PZEM-004T Voltage Current Watt Meter Single Phase Small AC Voltmeter TTL Modbus Electric Energy Meters No outcase

  • Category:AC communication module
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  • Release time:2024-07-04 09:05:39
  • Product description

Product Type:AC Communication Module

Product Model:PZEM-004T(without outcase)

Product Function:

This document describes the specification of the PZEM-004T AC communication module, the module is mainly used for measuring AC voltage, current, active power, frequency, power factor and active energy, the module is without display function, the data is read through the TTL interface.

PZEM-004T-10A: Measuring Range 10A (Built-in Shunt)

PZEM-004T-100A: Measuring Range 100A (external transformer)

Measurement range:

  1. Voltage

    1. Measuring range: 0~2.3kW(PZEM-004T-10A); 0~23kW(PZEM-004T-100A)

    2. Starting measure power: 0.4W 

    3. Resolution: 0.1W 

    4. Measuring range: 0~10A(PZEM-004T-10A); 0~100A(PZEM-004T-100A)

    5. Starting measure current: 0.01A(PZEM-004T-10A); 0.02A(PZEM-004T-100A)

    6. Resolution: 0.001A

    7. Measurement accuracy: 0.5%

    8. Measuring range:80~260V

    9. Resolution: 0.1V

    10. Measurement accuracy: 0.5%

    11. Current

    12. Active power

    1. Measurement accuracy: 0.5%

      1. Measuring range: 0~9999.99kWh 

      2. Resolution: 1Wh 

      3. Measurement accuracy: 0.5%

      4. Measuring range: 45Hz~65Hz 

      5. Resolution: 0.1Hz 

      6. Measurement accuracy: 0.5%

      7. Measuring range: 0.00~1.00

      8. Resolution: 0.01 

      9. Measurement accuracy: 1%

      10. Power factor 

      11. Frequency

      12. Active energy

      1. Reset energy: use software to reset.

      2. Over power alarm

      Active power threshold can be set, when the measured active power exceeds the threshold, it can alarm

      1. Communication interface 

      TTL  interface。

      1. Physical layer protocol

      Physical layer use UART to TTL communication interface

      Baud rate is 9600, 8 data bits, 1 stop bit, no parity


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