Smoke&PM2.5&PM10

<b>RS485 interface temperture and humiduty and CO2 sensor</b>

SM2171B RS485 interface temperture and humiduty and CO2 sensor

  Datasheet   Detail

<b>4-20mA current type ceiling mounted smoke sensor</b>

SM7571M 4-20mA current type ceiling mounted smoke sensor

  Datasheet   Detail

<b>RS485 interface protection type PM2.5, PM10 dust, temperat

SM2190B-PM25 RS485 interface protection type PM2.5, PM10 dust, temperature and humidity sensor

  Datasheet   Detail

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