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This RS485 Modbus IOT Sensor is a PAR Photosynthetically Active Radiation Sensor for farms and greehouses
3/6mm lens
Support RS232 and RS485 Serial Ports
Can Distinguish Which Serial Port Connects To The Device Via Port Number
Long Battery Life
RS485 Modbus Soil Moisture Temperature and pH Sensor Signal Output:Analog Signal: 4~20mA This RS485 Modbus IOT SensorThis sensor is a combination of soil moisture and soil temperature sensors to facilitate the measurement and research of soil moisture temperature pH. The product has high precision, fast response and stable output. It is less affected by the salt content of the soil and is suitable for various soil qualities. Can be buried in the soil for a long time, resistant to long term electrolysis, corrosion resistance, vacuum potting, waterproof and rust
US$ 105.50
US$ 105.50
US$ 105.50
US$ 105.50
US$ 105.50
US$ 105.50