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    • United Kingdom

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    • China
    • Hong Kong SAR, China
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Home
  • Products

    Actuators

    • Actuator Sizing and Selection
    • Non Fail-Safe Actuators
    • Fail-Safe Actuators
    • Actuators for Harsh Environmental Conditions
    • Fast Running Actuators
    • Linear Actuators
    • Fire Damper Actuators
    • Smoke Control Damper Actuators
    • Variable Air Volume
    • Valve Actuators
    • Accessories

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    • Belimo Energy Valve™
    • Pressure Independent Control Valves
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    • Characterised Control Valves
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    • Accessories

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    • Duct Sensors (Air)
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    • Belimo Energy Valve™ with TEM
    • Accessories

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    • RetroFIT+ Replacement Products
    • Make the Most Out of It
    • Upgrade Your System
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    • Building IoT
    • Indoor Air Quality (IAQ)
  • Support

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    • Actuator Sizing and Selection
    • Valve Sizing and Selection
    • Sensors/Meters Selection
    • RetroFIT+ Product Replacement Tool
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    • Belimo Display App
    • Belimo Assistant 2
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  1. Home
  2. Sensors/Meters

Humidity sensors

Advanced humidity sensors for HVAC systems

Monitoring air humidity is essential for ensuring optimal comfort in a building and protecting the building infrastructure, production processes, stored goods, and works of art. Our product range of long-term stable humidity sensors for rooms, ducts, outdoor air, and condensation enables energy-optimised operation and ensures compatibility with all major building automation systems. High-quality and reliable sensors guarantee the accuracy and reproducibility of measurements. Combined sensors for temperature and humidity provide a flexible and cost-saving application.   

 

​​​​​​​Features

  • Multisensor with selectable output measurement values: relative humidity, absolute humidity, enthalpy, and dew point.
  • The choice of up to four different temperature ranges ensure best fit of product.

Innovation for peace of mind

ICON_seamless

Seamless

ICON_proven_reliability

Reliable

ICON_innovative_design

Intuitive

Product range

Duct humidity sensors

Installed within air ducts to monitor relative humidity and optimise ventilation control. 
 

humidity

Humidity / Temperature22DTH Series

Active and Passive

  • Shop Now
22DTM-new

CO₂ / Humidity / Temperature22DTM Series

Active

  • Shop Now

Pipe humidity sensors

Detect condensation and moisture presence in piping systems to prevent corrosion and inefficiencies.
 

pipe_temp

Condensation22HH Series

Condensation sensors, switch with internal/ external sensor

 

  • Shop Now

Room humidity sensors

Measure indoor humidity levels to maintain comfortable and healthy environments. 
 

Room-unit-AP_P-22RT-D_900X510

Room operating unitsP-22RT..D

Active

With ePaper touch display

  • Shop now
Room-unit-AP_P-22RT-A_900X510-2

Room operating unitsP-22RT..A

Active

With virtual display

  • Shop now
Room-unit-AP_22RT_22RTH_900X510

Temperature / Humidity / Dew Point / CO222RT, 22RTH & 22RTM Series

Active

  • Shop now

Product range

Outdoor humidity sensors

Provide accurate ambient humidity data to support HVAC system adjustments based on external conditions.
 

22UTH_new

Temperature / Humidity22UTH Series

Active

  • Shop Now

Optimise HVAC efficiency with high-performance humidity sensors

Humidity sensors are essential in HVAC systems for monitoring and controlling humidity levels in indoor and outdoor environments. These sensors provide real-time humidity measurements, allowing HVAC systems to adjust ventilation, dehumidification, and humidification processes accordingly. Proper humidity control enhances indoor air quality, prevents mould growth, and improves overall system efficiency.

 

Key benefits of Belimo HVAC humidity sensors

Integrating high-precision humidity sensors in HVAC applications offers numerous advantages:

  • Improved indoor air quality

    Helps control humidity levels to prevent mould, bacteria, and airborne contaminants.

  • Energy efficiency

    Optimises dehumidification and humidification processes, reducing unnecessary energy use.

  • Enhanced comfort

    Maintains ideal humidity levels to prevent dryness or excessive dampness.

  • System protection

    Prevents condensation-related damage to HVAC components and building structures, enhancing their longevity.

  • Seamless integration

    BACnet and Modbus communication protocols provide superior application data access and enable easy commissioning and configuration. 

Applications of HVAC humidity sensors

HVAC humidity sensors are widely used in various industries and environments, including:

  • Commercial buildings

    Ensuring optimal relative humidity control in offices, hotels, and retail spaces. 

  • Industrial facilities

    Maintaining humidity levels in production areas where humidity-sensitive materials are handled. 

  • Healthcare & laboratories

    Providing precise humidity control in hospitals and research environments to ensure patient health and safety.

  • Data centres & IT facilities

    Preventing excessive humidity that can lead to equipment failures and electrical issues.

Selecting the right humidity sensor for HVAC systems

When choosing a humidity sensor for a HVAC application, consider the following factors:

  • Sensor type

    Selecting the appropriate sensor for ducts, pipes, rooms, or outdoor environments.

  • Output signal compatibility

    Analogue (0...10 V, 4...20 mA) or digital (Modbus, BACnet) outputs for easy integration.

  • Environmental durability

    Robust housing with high IP ratings to withstand humidity, dust, and extreme temperatures.

  • Response time & stability

    Fast and stable response to humidity fluctuations ensures optimal HVAC control. 

More questions on humidity sensors?

Contact your partner

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  • Learn more about flow sensors

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