• 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
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Digital Humidity Integrated Temperature Sensor With RS485 Interface SHT31

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
Chip Original Sensirion SHT31 (Customizable) Probe PE Probe (Customizable)
Application Weather Stations, Agriculture, Server Room, HVAC, Building Automation Output RS485
Cable Material PVC, Silicone, UV Resistance Cable Etc (Customizable) Cable Length 1M, 2M, 3M, 5M, 10M Etc (Customizable)
Connector Wire Tinning End, RJ, JST, Aviation Plug, Audio Jack, Micro USB Etc (Customizable)
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Integrated Temperature Sensor RS485 Interface


SHT31 Temperature Sensor With Rs485 Interface


RS485 Interface temperature and humidity transmitter

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Product Description

SHT31 RS485 Modbus Digital Humidity Temperature Transmitter Integrated Sensor

Votesen VTH300-T RS485 integrated digital humidity temperature module adopts high precision Sensirion SHT31 sensor equipped with a high-quality filter shell for large air permeability, fast gas humidity flow and exchange rate. The probe adopts the industrial universal standard RS485 bus MODBUS-RTU protocol interface, which is convenient for accessing various instruments or systems such as PLC and DCS for monitoring the state quantity such as temperature and humidity. A high-precision sensing core and related devices are used internally to ensure high reliability and excellent long-term stability. With excellent long-term stability, low latency and excellent repeatability, it is an ideal solution for accurate temperature and humidity measurement in HVAC, communication field, warehouse building and automatic control applications.


Sensor Brand Sensirion (Switzerland chip)
Sensor Chip SHT31 (Customizable)
Supply Voltage DC 4.5V~24 V
Accuracy SHT31: Temperature ±0.2℃; Humidity ±2%RH
Working Environment Range -30 - 80℃; 0%RH - 90%RH
Resolution 0.1℃; 0.1%RH
Protocol RS485/Modbus-RTU
Cable Material PVC, Silicone, UV Resistance Cable etc (Customizable)
Cable Length 1M, 2M, 5M, 10M etc (Customizable)
Communication Baud Rate 1200,2400,4800,9600,19200 Configurable, Default 9600pbs
Byte Format 8 Data Bits, 1 Stop Bit, No Parity
Probe PE (Customizable)



★ Low power consumption.

★ Fully calibrated.

★ High reliability and long-term stability.
★ High performance, good consistency.

★ Standard Modbus-RTU protocol.

★ Strong interface defense capability and stable communication.



★ Agriculture

★ Building Automation

★ Meteorology

★ Climate Chamber, Weather Station


★ Greenhouse

★ Forestry

★ Computer Room Monitoring

★ Warehousing

★ Storage and production facilities in pharmaceutical, paper, food and electronic industries.



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

1. SHT Sensor Chip:

2. Probe:

3. Cable Material:

4. Cable Length:

5. Output:

6. Connector (if require):

7. Order Quantity: