Temperature and Humidity transmitter RS485 output

Technical parameter

• Power supply : 12-24VDC
• Power Consumption : 0.15W
• Output Signal : RS485
• Response Time : ≤15S
• Long-term Temperature Stability : ≤0.1°C/year
• Long-term Humidity Stability : ≤1%y
• Temperature Detect Range : -40°C~80°C
• Humidity Detect Range : 0~100%RH
• Temperature Resolution : 0.1°C
• Humidity Resolution : 0.1%RH
• Power Consumption : ≤0.15W( @12V DC , 25°C)
• Working Pressure Range : 0.9~1.1atm

Interface Description

          Before you wiring and use, please read this article in detail, Improper use may result in irreversible damage to the product.

Communication protocol

Register Address

Communication example

Read Device Address 0x01's Temperature And Humidity Value

Inquiry Frame

 Answer Frames

How to calculate Temperature And Humidity Value

          Temperature : FF9BH( hexadecimal ) =-101 = -10.1°C

          Humidity : 292H( hexadecimal ) = 658 =65.8%RH

How to Connect