
Voltage output transducer for cleanroom differential pressure measurement. This transducer has 0 to 20 pascals range for measuring very small positive pressure between clean rooms and external areas. Ensures contamination control in sensitive manufacturing and research applications.
The DPS cleanroom dp transducer with its 0 to 20 Pascal range is an essential tool for maintaining the strict environmental control required in cleanrooms. Cleanrooms rely on a principle called positive pressure to prevent the ingress of contaminants. By ensuring the air pressure within the cleanroom is slightly higher than the surrounding areas, airflow is always directed outwards. This outward flow creates an invisible barrier, effectively preventing dust, microbes, and other airborne particles from entering and compromising the controlled environment.
The pressure difference maintained between a cleanroom and its surroundings is intentionally kept small, typically within the range of 10 to 20 Pascals. This seemingly insignificant pressure differential is crucial for preventing contamination without hindering accessibility. A higher pressure difference would make it physically difficult to open doors, as the pressure exerted on the door surface would be substantial. Imagine trying to open a door with a force of hundreds of pounds pushing against it – not a practical scenario for personnel frequently entering and exiting the cleanroom.
Maintaining a low-pressure differential allows for easier access while still effectively directing airflow outwards. This minimizes the ingress of contaminants without creating an excessive burden on personnel or requiring complex airlock systems with extended entry and exit procedures. The subtle pressure difference, accurately monitored by the DPS cleanroom dp transducer, strikes a balance between maintaining a pristine environment and ensuring operational efficiency.
The DPS transducer’s sensitivity in this low-pressure range is vital for accurately monitoring and maintaining this positive pressure differential. Even minor fluctuations can disrupt the airflow and jeopardize the integrity of the cleanroom. The transducer’s continuous voltage output allows for integration with monitoring and control systems, enabling real-time adjustments to ventilation and filtration systems to ensure consistent positive pressure.
This level of control is critical in industries where even minute contaminants can have a significant impact on product quality and safety. Consider the manufacture of semiconductors, where a single dust particle can render a microchip useless. In pharmaceutical production, maintaining a sterile environment is paramount to prevent contamination of medicines and ensure patient safety. Other applications requiring stringent contamination control include:
- Aerospace: Assembly of sensitive components in satellites and spacecraft.
- Optics: Manufacturing of lenses and mirrors for high-precision instruments.
- Biotechnology: Research and development involving cell cultures and genetic material.
- Nanotechnology: Fabrication of materials and devices at the nanoscale level.
In each of these scenarios, the DPS cleanroom dp transducer plays a crucial role in upholding the integrity of the cleanroom environment, safeguarding products, processes, and research from the detrimental effects of contamination.

DPS Cleanroom DP Transducer
- Differential Pressure Range: 20 Pa diff
- Output Signal: 0-10V 3 wire, 19-31Vdc supply (standard)
- Output Configuration: 3 or 4 wire, linear (standard)
- Overpressure Protection: 5x ranges <0.4bar, 2x >=0.4bar (standard)
- Accuracy (linear only): 1% FS (standard)
- Pressure Connection: 6.6mm dia x 11mm barbed connections (std)