Description
The Dwyer PAFS-1002 Averaging Flow Sensor is a precision-engineered pitot-style sensing element designed to provide accurate, repeatable airflow measurement in HVAC ducts, air handling units, and building automation systems. By sampling multiple pressure points across the duct cross-section and averaging the readings, this sensor delivers superior accuracy compared to single-point measurement devices — making it an ideal solution for demanding commercial and industrial airflow monitoring applications.
Product Overview
The PAFS-1002 is compatible with air and a wide range of non-corrosive compatible gases, making it a versatile choice for diverse HVAC and process applications. Its compact 3-5/32″ insertion length suits smaller duct installations where space is limited, while the 1/4″ I.D. and 3/8″ O.D. tubing process connections provide straightforward integration with standard pneumatic or electronic differential pressure transmitters.
Key Features
- Averaging pitot-style design samples multiple points across the duct for enhanced measurement accuracy
- Compatible with air and non-corrosive compatible gases
- 3-5/32″ insertion length — ideal for smaller duct cross-sections
- 1/4″ I.D. process connection tubing
- 3/8″ O.D. process connection tubing
- Designed for use with differential pressure transmitters or manometers
- Suitable for HVAC air handling, building automation, and process airflow monitoring
- Durable construction from Dwyer Instruments — a trusted name in flow and pressure measurement
Specifications
- Model: PAFS-1002
- Insertion Length: 3-5/32″
- Media: Air and compatible gases
- Process Connection (I.D.): 1/4″
- Process Connection (O.D.): 3/8″ tubing
- Sensor Type: Averaging flow (pitot array)
Applications
- Commercial HVAC air handling units
- Building automation and energy management systems
- Duct airflow measurement and balancing
- Ventilation monitoring and control
- Process air and compatible gas flow measurement
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