Temperature and humidity transmitter
AW2485Y
Operation Manual
1. Precautions for installation and use
To ensure the accuracy and stability of this product,
please do not install the product in the following
environments: Rely on heat source, cold source, direct
sunlight.
2. Product description
3. Technical data
Product Size: (L)100mm x (W)84mm x (H)21mm
±1mm
Output: RS485 (Modbus)
Power: DC:9~36V / USB: 5V
Current consumption: ≤50mA (5V)
Sampling period: 2S
Resolution: 0.1
Measuring range: -20~60℃; 0~99.9%RH
Accuracy: ±2%RH; ±0.3℃
Attenuation value: <0.1℃/Year; <1%RH/Year
4. System menu and settings
1. Menu key/Back key
2. Confirm key 3. Up/+
4. Down button/5. Display part
6. Back cover lock
7. USB power supply and connection
8. Wiring part
9~11. screw hole 12. Plastic buckle
13~16. cable position
9. Alarm settings:
(1) Press "MENU" to enter the menu, select "Alarm
Settings", select "High Temperature Alarm Settings"
in the lower menu, and use the "Up/Down" keys to
complete the alarm settings and alarm switches.
(2) In the "Alarm Settings", humidity alarms can also
be set.
10. Developer data:
RS485 address:
Please contact us for the details.
11. Installation Precautions
(1) Choose a typical installation location: the
installation environment has the typical temperature
and humidity that need to be measured.
( 2) There must be ai r ci rcul at i on a r o u n d t h e
transmitter.
(3) Do not install on heating or cooling objects, and do
not install in steam or water mist environment.
(4) Keep away from wires and lines during installation.
12. Source of error:
The storage time is too short, relying on the heat
source/cold source, long-term exposure to high
temperature, water mist environment, dust pollution
or other pollution causes disconnection.
After turning on, the system starts by itself and
enters the temperature and humidity display interface.
After 30 seconds, the system will automatically lock the
screen, and the lock screen logo will be displayed at the
bottom left. (Unlock, press and hold for 3 seconds to
unlock the operation interface.)
5. Local settings
(1) Long press ‘OK’ to unlock the operation interface
(2) Press ‘MENU’ to enter the menu, select
‘communication settings’, press ‘OK’ to enter the
lower menu and select ‘local address settings’.
(3) Edit the address through ‘up/down’ and press ‘OK’
to save.
Note: If you use multiple RS485 networking, each
transmitter address must be a different code,
otherwise it cannot communicate.
6. Baud rate setting
(1) Enter the ‘communication setting’ menu, press ‘OK’
to enter the lower menu, and select ‘baud rate
setting’.
(2) Adjust the baud rate through ‘up/down’.
7. Check digit setting:
(1) Enter ‘Communication Settings’, press ‘OK’ to
enter the lower menu, and select ‘Check Digit Setting’.
(2) Set verification through ‘up/down’.
8. Language settings:
(1)Enter ‘System Settings’, press ‘OK’ to enter the
lower menu, and select ‘Language Setting’.
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