Air differential pressure sensors play a vital role in maintaining environmental control and safety within critical applications such as cleanrooms, laminar flow cabinets, and ventilation systems. By accurately measuring the pressure difference between two points, these sensors enable precise monitoring, control, and alarm capabilities to ensure optimal operating conditions and regulatory compliance.
10Pa diff range 0-20mA output air pressure sensor for automotive component testing - A very low range pressure sensor for automotive component testing use to measure pressure of air over a range of 0 to 10 Pa diff from two barbed tube hose connections, and sending the corresponding 0-20mA signal through the DIN plug electrical connection.- 20 Pa DP range 0-10V output air pressure sensor for building management use - A low range 20 Pa range differential pressure sensor, ideal for monitoring filters, ventilation ducts, and HVAC systems in commercial and residential buildings.
DPS300 User Switchable Pressure Range, Volts or Current Output Low DP Sensor
DMD341 Compact Differential Air Pressure Sensor
PrimAtü 10 Low Cost Low Range Differential Air Pressure Transducer
DPS200 HVAC Differential Pressure Transmitter
- 100 Pa bi-directional range differential air pressure transmitter - Bi-directional low range 4 to 20 milliamp differential pressure transmitter covering an air pressure range from -100 to +100 pascals, for cleanrooms, isolation rooms, and filter monitoring.
- 0-100Pa air pressure transducer with a 0-10V analog output
- 1 inH2O differential intrinsically safe 4-20mA out air pressure sensor for HVAC use
- Minus 0.25 inWG differential pressure transmitter for negative air pressure difference
- 5 psi delta air pressure sensor with 0 to 10 volt output
- -3 to 3 psi dp range high accuracy 4-20mA air pressure transmitter for water treatment use
- 90 degC air differential pressure transmitter and digital display
- 1kPa diff pressure transducer for building air ventilation monitoring
- Compressor inlet air filter pressure difference sensor
- Bi-directional -20 to +100 Pa clean room air diff pressure transmitter
- 1 psi delta air pressure sensor with 0 to 10 volt output
- -200 to 200 Pa bi-directional range 4-20mA output dp pressure transmitter for venturi tube
- 100mbar dp range 0-5Vdc amplified output air pressure sensor for aerospace research test rig use
Find out more about Air DP Sensors to determine which product options and capabilities will best meet your application requirements.
Air differential pressure sensors are specifically designed to measure the difference in air pressure between two points within a system. This pressure difference, often referred to as ΔP (delta P), can provide valuable insights into the performance of air filters, ventilation systems, and other airflow-dependent processes.
Applications
- Filter Monitoring: One of the primary uses of air differential pressure sensors is in monitoring the efficiency of air filters. As a filter becomes clogged with particulate matter, the pressure drop across the filter increases. By continuously monitoring this pressure difference, the sensor can provide an indication of when the filter needs to be replaced, ensuring optimal air quality and system performance. This is crucial in applications such as HVAC systems in commercial buildings to maintain air quality and reduce energy consumption, industrial dust collection systems to ensure efficient operation and prevent particulate emissions, and medical facilities to protect patients and staff from airborne pathogens.
- Ventilation Control: In HVAC systems and cleanrooms, air differential pressure sensors play a crucial role in maintaining proper ventilation and airflow. By measuring the pressure difference between different zones or rooms, these sensors can be used to control dampers, fans, and other ventilation components, ensuring a balanced and efficient airflow. This is essential for maintaining comfortable and healthy indoor environments, preventing the spread of airborne contaminants, and optimizing energy efficiency in HVAC systems.
- Laminar Air Flow Cabinets: These specialized cabinets provide a sterile environment for laboratory work and other sensitive applications. Air differential pressure sensors are used to monitor the airflow within the cabinet, ensuring that it remains unidirectional and free from contaminants. This is critical for protecting sensitive experiments and materials from contamination, and ensuring the safety of laboratory personnel working with hazardous materials.
- Clean Room Partition Walls: Maintaining a pressure cascade between different cleanroom zones is critical for preventing contamination. Air differential pressure sensors are used to monitor the pressure difference across partition walls, ensuring that air flows from cleaner to less clean areas. This is vital in industries such as pharmaceutical manufacturing to prevent contamination of sterile products, and microelectronics fabrication to protect sensitive components from particulate matter.
- Flow Measurement: Air differential pressure sensors can be used to infer flow rates in ducts and pipes. By measuring the pressure drop across a known restriction, such as an orifice plate, the flow rate can be calculated. This is useful in applications such as monitoring compressed air consumption in industrial plants, and measuring airflow in ventilation systems.
- Biohazard Containment: In facilities handling biohazardous materials, maintaining proper airflow and pressure differentials is crucial for preventing the escape of dangerous pathogens. Air differential pressure sensors are used to monitor and control airflow in biological safety cabinets to ensure containment of infectious agents, isolation rooms to prevent the spread of airborne diseases, and pharmaceutical production facilities to protect workers and the environment from exposure to biohazards.