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 air flow 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
Product range
Duct pressure sensors
Monitor differential or static air pressure in ventilation systems to ensure balanced airflow and effective zone control.
Pipe pressure sensors
Measure water or refrigerant pressure in heating and cooling circuits, helping control system load and efficiency.
Optimise HVAC control with advanced pressure sensors
Pressure sensors are integral to efficient HVAC systems, providing accurate monitoring and control 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 optimising 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:
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Enables precise control of both airflow and fluid dynamics in ducted and piped systems.
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Supports variable air and water flow control for reduced energy consumption and operational cost.
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Detects abnormal pressure conditions, preventing equipment damage and operational failures.
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Helps meet regulatory standards in healthcare and industrial HVAC systems.
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Supports analogue (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:
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Optimising airflow and pressurisation in offices, retail spaces, and educational facilities.
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Monitoring process environments with strict flow and pressure requirements.
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Maintaining positive or negative differential pressure in critical zones.
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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:
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Choose between absolute, differential, or overpressure sensing depending on the application.
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Ensure the sensor’s range aligns with system requirements for air or liquid pressure.
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High-resolution sensors provide stable, low drift performance over time.
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Select appropriate output format (analogue or digital) for control system compatibility.
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Durable, sealed designs with IP-rated protection for demanding HVAC environments.
