2
2
Installation Method
Wall-mounted installation: Screw the product base
to a wall, and secure the product to the base.
Hole dimensions
Magnetic Attachment
Magnetic attachment: Remove the product base, and attach the product firmly to the surface of a
metal object.
Wall-Mounted Installation
T/H sensors have nixie tubes for displaying the temperature (°C by default), humidity, address,
and baud rate.
The temperature and humidity are displayed alternately.
The address and baud rate can be displayed alternately by pressing the button.
The default temperature value is Celsius temperature. Toggle switch 8 can be used to switch
the temperature unit. ON is for Fahrenheit and OFF is for Celsius.
Celsius
temperature
Humidity Address Baud rate
3
Display Description
Wall-mounted installation
Fahrenheit
temperature
4
Communication Settings
The Modbus-RTU communication protocol is adopted.
Default settings: baud rate 9600 bps; 8 data bits; one stop bit; no parity check.
The RUN indicator blinks fast at 10 Hz during communication.
Port Description
1.3
Female connector
Standard RJ45 ports marked RS485-IN and RS485-OUT are used to cascade
multiple T/H sensors. The pin definitions are the same.
The NTC1-3 and NTC4-6 ports are standard RJ45 ports used for connecting
extended temperature sensors.
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