Supply voltage: DC 8~30V.
Working current: 5~8mA.
Support protocol: MODBUS RTU Protocol, 03 read command, 06/ 16 write command.
Serial port baud rate: 1200~115200, 9600 (default), 8 data bits, 1 stop bit.
Serial port parity bits: No Parity (default), Even Parity, Odd Parity.
By modifying the 485 address, up to 247 modules can be cascaded (more than 16 please use R485 repeater)
Adapted sensor: SHT30 temperature and humidity sensor
Temperature measurement range: -40-125℃ (Because the shell and wire are not resistant to high temperature, please use it in the environment of -40-80℃)
Humidity measurement range: 0-100%RH Accuracy: ±0.2℃; ±2%RH
Size: 145*90*40 mm.
Weight: 135 g.
 
For protocol details please refer to the ''SH34D16 MODBUS RTU Command Manual''

Typical application:
 
Temperature and humidity controller
Industrial Systems
Consumer Products
Thermometers
Thermally Sensitive Systems
Indoor and outdoor temperature measurement
Temperature in vegetable garden
Weather forecasting, and monitoring
Temperature and humidity in Computer Room
Warehouse temperature and humidity

SHT30 sensor :
Product model: TB460 SHT30
Working voltage: DC2.5-5.5V
Output signal: IIC Digital Signal
Output interface: HY2.0-4P terminal block
Temperature measurement range: -40-125℃ (Because the shell and wire are not resistant to high temperature, please use it in the environment of -40-80℃)
Humidity measurement range: 0-100%RH
Accuracy: ±0.2℃; ±2%RH
IIC address: 0X44
Wire length: 28 cm
Weight: 10 grams
Shell material: PE