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The sensor can be conveniently embedded in the appliance to measure the voltage, current, power and power consumption of the appliance in real time. The appliance can evaluate the working condition of the appliance through the analysis of real-time electrical parameters.
Industry applications: electrical energy metering sockets, smart switches, household appliances, energy-saving monitoring and other electrical products and other electrical monitoring products.
1. Single phase AC input
1) Voltage range: 0~100v, 220V, etc. (other voltage ranges can be customized).
2) Current range: 0.001~10a manganese copper sampling direct type (other current ranges can be customized).
3) Rated frequency: 45~65hz.
4) Signal processing: special metering chip is adopted, and 24 bit AD is adopted.
5) Overload capacity: 1.2 times the range is sustainable; The instantaneous (<20ms) current is 5 times, the voltage is 1.5 times, and the range is not damaged.
6) Input impedance: voltage channel >1k Ω /v, current channel ≤ 100m Ω.
2. Communication interface
1) Interface type: provide UART communication interface.
2) Communication protocol: MODBUS-RTU protocol.
3) Data format: software can set "n, 8,1", "E, 8,1", "O, 8,1", "n, 8,2".
4) Communication rate: baud rate can be set at 1200, 2400, 4800, 9600bps; The baud rate of communication interface is 9600bps by default, and the format is "n, 8,1".
3. Measurement data output
Voltage, current, power, power factor, frequency, electric energy and other electrical parameters.
4. Measurement accuracy
Voltage, current and power: ≤ 1.0%; Active kwh level 1
5. Power supply
When dc+3.3v power supply, typical power consumption: ≤ 20mA.
6. Working environment
1) Working temperature: -20~+70 ℃; Storage temperature: -40~+85 ℃.
2) Relative humidity: 5~95%, no condensation (at 40 ℃).
3) Altitude: 0~3000 meters.
4) Environment: a place without explosion, corrosive gas and conductive dust, and without significant shaking, vibration and impact.
7. Temperature drift
≤100ppm/℃
8. Installation method
Embedded installation, can provide packaging
9. Module size
23*23mm, pin spacing 2.54mm
