SD6788B LED display pipe stop gas alarm, no wind delay alarm for ventilation system
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								SD5870B Display type RS485 indoor air quality infrared CO2 sensor
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								SD5190B LCD display atmospheric pressure and temperature and humidity integrated sensor
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								SD5110B RS485 network type large screen LCD wall-mounted temperature and humidity display
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								SD3710M LED pipe temperature and humidity sensor current output
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								SM2190B-PM25 RS485 interface protection type PM2.5, PM10 dust, temperature and humidity sensor
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								SM2161V DC0-5V voltage type protection type 200,000 range illuminance sensor
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								SM2161M Two-wire current-type protection type 200,000-range illuminance sensor
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								SM2161B RS485 interface protection type 200,000 range illuminance sensor
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								SM2160V DC0-5V voltage type interface protection type small range illuminance sensor
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								SM2160M 4-20m current interface protection type small range illuminance sensor
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