• Xian Votesen Electronic Technology Co., Ltd.
    w***Nel, US
    I worked with Jack Yin, he was extremely helpful, willing to accommodate all my customizations and provided an excellent quality product. Thanks Jack, will work with you and Votesen again.
  • Xian Votesen Electronic Technology Co., Ltd.
    Very trustful supplier!
  • Xian Votesen Electronic Technology Co., Ltd.
    Great product. Good delivery time. Now my project is on course!
Contact Person : Mike Su
Phone Number : +8617782470268
WhatsApp : +8617782470268

RS485 SHT3x Wall Mounted Ambient Humidity Temperature Transmitter

Place of Origin China
Brand Name VOTESEN
Certification CE, ROHS
Model Number VTH300-T
Minimum Order Quantity 3
Price Negotiable Price
Packaging Details Carton
Delivery Time 7-25 working days
Payment Terms T/T
Supply Ability 35000pcs per day
Product Details
Sensor Chip Original Sensirion SHT30 SHT31 SHT35 (Customizable) Output RS485 Modbus RTU
Application IoT, Server Room, Laboratory, HVAC, Weather Stations, Greenhouse Power Supply DC10-30V
RS485 Communication Distance Up To 2000 Meters Transmitter Humidity Range 0%RH~80%RH
Transmitter Temperature Range -40℃~+60℃ Installation Wall Mounted
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SHT3x Ambient Temperature Transmitter


Ambient Temperature Transmitter Wall Mounted RS485


SHT3x wall mounted temperature and humidity sensor

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Product Description

Wall Mounted RS485 SHT3x Ambient Humidity Temperature Transmitter

The Wall Mounted VTH300-T Humidity Temperature Transmitter adopts high protection waterproof shell, which is waterproof class IP65, rain and snow proof and good air permeability. The circuit adopts industrial microprocessor chip imported from the United States and imported high precision temperature sensor to ensure excellent reliability, high precision and interchangeability of products. This product has different type probe to mate usage, like particle sintered probe sheath, PE probe sheath and stainless steel probe. Probe and shell are directly connected with the appearance of beautiful and generous transmitter. Besides, RS485 output transmitter can communicate up to 2000 meters. The standard Modbus protocol supports secondary development.


RS485 SHT3x Wall Mounted Ambient Humidity Temperature Transmitter 0



RS485 SHT3x Wall Mounted Ambient Humidity Temperature Transmitter 1


Power Supply 10~30V DC
Max Power Dissipation 0.4W
A accuracy Humidity ±2%RH(5%RH~95%RH,25℃)
Temperature ±0.4℃(25℃)
B Accuracy(Default) Humidity ±3%RH(5%RH~95%RH,25℃)
Temperature ±0.5℃(25℃)
Transmitter Working Temperature Range -40℃~+60℃,0%RH~80%RH
Probe Working
Temperature Range
-40℃~+120℃,Default -40℃~+80℃
Probe Working Humidity Range 0%RH-100%RH
Temperature display resolution 0.1℃
Humidity display resolution 0.1%RH
Temperature and humidity refresh time 1s
Long-term stability Humidity ≤1%RH/y
Temperature ≤0.1℃/y
Response Time Humidity ≤4s(1m/s wind speed)
Temperature ≤15s(1m/s wind speed)
Output Signal RS485
Installation Wall mounted



★ Wall mounted, easy installation.

★ IP65 waterproof protection.

★ RS485 output transmitter communicate up to 2000 Meters.

★ Suitable for various working environment and installation: Built-in SHT sensor probe or customize SHT sensor with long cable length.

★ Compatible with various probe: PE, Copper Sintered, Stainless Steel.

★ Original Sensirion SHT humidity temperature chip.



★ Communication rooms

★ Warehouse buildings

★ IoT automatic control for humidity and temperature monitoring

★ Greenhouse

★ Agriculture

★ Forestry

★ PV power

★ PV station

★ Weather station

★ Farm

★ Factory



To customize the most suitable humidity temperature transmitter for your application, kindly let us know your requirements:

1. SHT Sensor Chip:

2. SHT Sensor Built-In/ With Cable Length:

3. Output:

4. Order Quantity: