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Home

  1. Home
  2. Sensors

Pressure Sensors

Precision Pressure Sensors for HVAC Systems

Accurate pressure and differential pressure measurement is important for optimal HVAC system performance. Pressure sensors from Belimo are capable of measuring extremely high and low pressures in air and water applications. The sensors offer precise measurement of pressure, differential pressure, and airflow for reliable monitoring. Selectable measuring ranges are available for application flexibility. 

​​​​​​​Features

Differential air pressure sensor

  • Eight field-selectable differential pressure measuring ranges
  • Optional volume flow output: calculation formulas of the most important manufacturers are stored in the sensor
  • Excellent zero-point stability and high accuracy
  • Auto-zero or manual-calibration option
  • Optional LCD display
  • Also available with two independent measurement systems

Differential air pressure switch

  • Durable pressure switch
  • Field-adjustable switching point

Differential water pressure sensor

  • Highly stable resistance sensor element on ceramic substrate
  • Robust stainless steel housing

Water pressure sensor

  • Resistance sensor element on stainless steel membrane
  • All wetted material made of stainless steel

Innovation for Peace of Mind

Seamless

Reliable

Intuitive

Product Range

Duct Pressure Sensors

Monitor differential or static air pressure in ventilation systems to ensure balanced airflow and effective zone control.
 

Differential pressure01APS

Differential pressure switch air

Passive

  • View products

Differential pressure22ADP

Differential pressure sensor air

Active

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Pipe Pressure Sensors

Measure water or refrigerant pressure in heating and cooling circuits, helping regulate system load and efficiency. 
 

Differential pressure22PDP

Differential pressure sensors (water)

Active

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Differential pressure22WDP

Differential pressure sensors (water)

Active

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Pressure22WP

Pressure sensors (water and refrigerants)

Active

  • View products

Optimize HVAC Control with Advanced Pressure Sensors

Pressure sensors are integral to efficient HVAC systems, providing accurate monitoring and regulation of air and fluid pressure. These sensors help maintain consistent flow, balance system performance, and prevent overpressure or vacuum conditions. Accurate pressure measurement is essential for optimizing energy usage, ensuring occupant comfort, and protecting HVAC equipment. 

 

Key Benefits of HVAC Pressure Sensors from Belimo

Incorporating high-precision pressure sensors into HVAC systems offers several critical benefits:

  • Flow Optimization

    Enables precise control of both airflow and fluid dynamics in ducted and piped systems. 

  • Energy Efficiency

    Supports variable air and water flow control for reduced energy consumption and operational cost. 

  • System Safety

    Detects abnormal pressure conditions, preventing equipment damage and operational failures. 

  • Compliance & Monitoring

    Helps meet regulatory standards in healthcare and industrial HVAC systems. 

  • Integration Ready

    Supports analog (0-10V, 4-20mA) and digital (Modbus, BACnet) outputs for seamless building management system integration.

Applications of HVAC Pressure Sensors

Pressure sensors are crucial for HVAC system monitoring and control in diverse settings: 

  • Commercial Buildings

    Optimizing airflow and pressurization in offices, retail spaces, and educational facilities. 

  • Industrial HVAC Systems

    Monitoring process environments with strict flow and pressure requirements. 

  • Cleanrooms & Healthcare Facilities

    Maintaining positive or negative differential pressure in critical zones.

  • Data Centers

    Ensuring optimal pressure in cooling systems to protect sensitive IT equipment. 

Selecting the Right Pressure Sensor for HVAC Applications

When selecting a pressure sensor for HVAC systems, consider the following specifications:

  • Type of Pressure

    Choose between absolute, differential, or overpressure sensing depending on the application.

  • Measurement Range

    Ensure the sensor’s range aligns with system requirements for air or liquid pressure. 

  • Accuracy and Stability

    High-resolution sensors provide stable, low drift performance over time.

  • Output Signal Compatibility

    Select appropriate output format (analog or digital) for control system compatibility. 

  • Environmental Durability

    Durable, sealed designs with IP-rated protection for demanding HVAC environments. 

More Questions on Pressure Sensors?

Contact your partner

More Sensor Topics

  • Learn more about Temperature Sensors

  • Learn more about Humidity Sensors

  • Learn more about Air Quality Sensors

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