Elevate your environmental data accuracy with the 7Semi SHT21 Temperature and Humidity Sensor Probe - engineered for precision, durability, and ease of integration. Built with a corrosion-resistant metallic probe and a breathable stainless-steel shell, this sensor thrives in harsh industrial, atmospheric, and laboratory environments. Its IP65 waterproof protection ensures reliable performance under extreme conditions, while the 1-metre cable provides convenient installation flexibility across diverse applications.

Designed for seamless connectivity through its I2C digital interface, the 7Semi SHT21 sensor ensures effortless integration with existing monitoring systems. Whether used in HVAC systems, weather stations, environmental test chambers, or hazardous industrial zones, this sensor delivers consistent and accurate readings. Its fully calibrated, low-power design guarantees long-term operation with minimal maintenance—making it a dependable solution for demanding monitoring tasks.

Key Features:

Robust Design: IP65-rated enclosure ensures resistance to vapour, dust, and corrosive elements, supporting use in both indoor and outdoor environments.
High Precision Sensing: Utilises the SHT21 sensor for accurate and reliable temperature and humidity measurement, even in fluctuating climates.
Durable Stainless-Steel Shell: Breathable and corrosion-resistant housing allows for rapid humidity exchange while protecting internal components.
Broad Environmental Compatibility: Performs exceptionally in high-pressure zones (up to 150 bar), confined spaces, high-temperature processes, and explosive atmospheres.
Advanced Filtration Capability: Stainless steel porous housing with 5–120 micron pore sizes provides effective dust filtration and particulate protection.
Digital I2C Interface: Enables easy integration with microcontrollers and data loggers for real-time monitoring and analysis.
Low Power Consumption: Designed for energy efficiency, ideal for battery-powered or remote monitoring setups.
Long-Term Stability: Calibrated for lasting accuracy, supporting consistent performance with minimal drift over time.

Applications:

Weather monitoring stations
HVAC and building automation systems
Environmental test chambers
Industrial processing zones
Vacuum or pressure-controlled chambers
Explosive or dust-sensitive environments

Resources

Datasheet SHT21

SHT20 Digital Humidity Sensor Probe (RH/T) Comparison Table

SHT20 Digital Humidity Sensor Probe Applications

Product FAQ
Q: What is the common use of a Temperature and Humidity Sensor?
A: Temperature and Humidity sensors are among the most commonly used environmental sensors. It is widely used to provide the actual humidity condition within air at any given point or in any given place. Such devices are commonly used in situations in which air conditions may be extreme or where air conditions need to be controlled due to varying reasons.

Q: Why is Temperature and Humidity sensors important in some industries?
A: Humidity is the presence of water within the air. Measuring humidity within the environment can be critical due to the fact that the higher the humidity, the warmer it may seem. In industries, humidity measurement is often important because it can affect the health and safety of personnel as well as the cost of the product. As a result, temperature and humidity sensors are often quite important.

Q: How do I choose a suitable Temperature and Humidity Sensor?
A: There are some important specifications you might need to consider when you choose this product. This includes: