Weatherproof SHT21 Temperature and Humidity Sensor
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Weatherproof SHT21 Temperature and Humidity Sensor

Sensor Spec: SHT21 (more options: SHT20, SHT30, SHT31, SHT35)
Cable Spec: 26AWG*4C, PVC cable, red-VDD, black-GND, green-SDA, white-SCL
Length: 1m, or custom-made as per request
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  • T-Sensor Tech

The Weatherproof SHT21 Temperature and Humidity Sensor is a reliable and accurate sensor that allows you to measure both temperature and humidity levels in any environment. Designed to withstand harsh weather conditions, this sensor is weatherproof and can be used indoors or outdoors.

The SHT21 sensor provides precise temperature measurements with an accuracy of ±0.3°C and humidity measurements with an accuracy of ±2% RH. It features a wide measurement range for temperature (-40°C to +125°C) and humidity (0% to 100% RH), making it suitable for a variety of applications.

With its compact and durable design, this sensor is easy to install and provides continuous and accurate data readings. It is compatible with various microcontrollers and can be integrated into different IoT projects or weather monitoring systems.

Additionally, the Weatherproof SHT21 Temperature and Humidity Sensor is equipped with a waterproof housing, ensuring its protection against water, dust, and other environmental factors. This feature makes it ideal for outdoor applications, such as agriculture, greenhouses, weather stations, or HVAC systems.


  • Function: measure and control temperature and humidity

  • Temperature range: -40℃~+125℃

  • Temperature accuracy: ±0.2°C resolution 0.1°C

  • Humidity range: 0%~100%RH

  • Humidity accuracy: ±2%RH

  • Output: 4-20mA, RS485, 0-10V

  • Power: 12-24VDC

  • Application: Mainly used in agricultural greenhouses, flower cultivation greenhouses, farmland, electronic equipment production lines and other occasions that require temperature and humidity monitoring.

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About us
T Sensor Tech is a temperature sensor manufacturer who has complete teams from R&D, design, production to sales.The main products are temperature sensors for air, solid and liquid, including food temperature sensor, ntc temperature sensor...Read More
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