Description
The Dwyer PAFS-1003 Averaging Flow Sensor is a precision-engineered solution designed for accurate airflow measurement in HVAC, building automation, and industrial air-handling applications. By sampling multiple points across a duct cross-section, the averaging pitot-style sensor delivers a reliable, representative velocity pressure reading — minimizing the measurement errors associated with non-uniform flow profiles.
Key Features
- Averaging multi-point design for accurate, representative flow measurement across the duct
- 5-13/32″ insertion length for compatibility with a wide range of duct sizes
- Compatible with air and other non-corrosive compatible gases
- 1/4″ I.D. process connection tubing for easy integration with pressure transmitters and controllers
- 3/8″ O.D. tubing process connection for secure, leak-free installation
- Durable construction suited for continuous-duty HVAC and building automation use
Typical Applications
- Air handling units (AHUs) and rooftop units
- Variable air volume (VAV) systems
- Building automation and energy management systems
- Duct airflow measurement and balancing
- Industrial ventilation and process air monitoring
Specifications
- Model: PAFS-1003
- Insertion Length: 5-13/32″
- Media: Air and compatible gases
- Process Connection: 1/4″ I.D. / 3/8″ O.D. tubing
- Brand: Dwyer Instruments
The Dwyer PAFS-1003 pairs seamlessly with Dwyer differential pressure transmitters and controllers, making it an ideal component for complete airflow measurement and control systems. Trust Dwyer’s proven instrumentation expertise to deliver consistent, long-term performance in demanding HVAC environments.







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