Description:

• XY-MD03 is a temperature humidity sensor probe made of PE material with built-in SHT40 sensor.
• By using the RS485 interface and MODBUS communication protocol, the measured temperature and parameter values are read through instructions.

Features:

• RS485 communication interface
• MODBUS communication protocol
• Custom Control Instructions
• PE waterproof probe
• Built-in EMC anti-interference
• Reverse polarity protection
• Low power consumption, high accuracy
• Temperature and humidity can be calibrated

Parameters:

• Working Voltage:DC 5V-28V
• Work Power:0.05W(Max)
• Built-in Sensor:SHT40
• Tested Temperature Range:-40℃~80℃
• Temperature Control Precision:+/-0.3℃
• Temperature Resolution:0.1℃
• Tested Humidity Range:0%RH~100%RH
• Humidity Control Precision:3%RH
• Humidity Resolution:0.1%RH
• Communication Interface:RS485
• Communication Protocol: MODBUS-RTU
• Output Refresh Speed: 0.5s
• Probe Size:70x16x16mm
• Wire Length:100cm

Wire Interface:

• Red wire: VCC. Connect to power positive pole.
• Black: GND. Connect to power negative pole.
• Yellow: RS485-A. Data cable.
• White: RS485-B. Data cable.

Application:

• Greenhouse greenhouse
• Storage
• Communication control room
• Intelligent office building
• Laboratory

MODBUS-RTU Protocol Instruction:

• Please download from the documentation.