SM3391B RS485 interface Carbon dioxide, light, temperature

SM3391B is an RS485 bus sensor with carbon dioxide, light intensity, temperature, and humidity sensor. It is a special sensor for environmental monitoring of agricultural production process and design, built-core sensors for all imported devices. Instrument capable of continuously monitoring the concentration of carbon dioxide gas, light intensity and ambient temperature and humidity 4 kinds of environmental parameters, each parameter values ​​are converted to a standard RS485 MODBUS-RTU signal transmission to the associated equipment, built the sensor alarm interface, optional overrun sound and light alarm device.

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