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Dwyer Averaging Flow Sensor, Series PAFS-1000

Series PAFS-1000 Averaging Flow Sensor

Brand: Dwyer Instruments, LLC
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The Series PAFS-1000 Averaging Flow Sensor is ideal for sensing differential pressure in the inlet section of variable air volume terminal units and fan terminal units. 

Units can also be used to sense differential pressure at other locations in the main or branch duct systems.

The "H" port senses total pressure and the "L" port senses static pressure. The difference between these signals is the differential, or velocity pressure. 

For models PAFS-1002 to PAFS-1005, up to four sensing points and lengths of 3-5/32" to 9-29/32" (8.02 to 25.26 cm) to accommodate box size diameters of 4" to 16" (10.16 to 40.64 cm) are available.

For models PAFS-1006 to PAFS -1011, up to 10 sensing points and lengths from 12-1/2" to 23-29/32" (31.75 to 60.72 cm) are available to accommodate appropriately sized duct dimensions.
Features
  • Simple Mounting Flange Works with Both Round or Rectangular Ducts

1 - 10 of 10 Part Numbers
PAFS-1002
PAFS-1002
DWYER Averaging Flow Sensor, 3-5/32" (8.02 cm) Insertion Length.
  • Length - 3-5/32" (8.02 cm)
PAFS-1003
PAFS-1003
DWYER Averaging Flow Sensor, 5-13/32" (13.73 cm) Insertion Length.
  • Length - 5-13/32" (13.73 cm)
PAFS-1004
PAFS-1004
DWYER Averaging Flow Sensor, 7-21/32" (19.55 cm) Insertion Length.
  • Length - 7-21/32" (19.55 cm)
PAFS-1005
PAFS-1005
DWYER Averaging Flow Sensor, 9-29/32" (25.26 cm) Insertion Length.
  • Length - 9-29/32" (25.26 cm)
PAFS-1006
PAFS-1006
DWYER Averaging Flow Sensor, 12-1/2" (31.75 cm) Insertion Length.
  • Length - 12-1/2" (31.75 cm)
PAFS-1007
PAFS-1007
DWYER Averaging Flow Sensor, 14-3/4" (37.47 cm) Insertion Length.
  • Length - 14-3/4" (37.47 cm)
PAFS-1008
PAFS-1008
DWYER Averaging Flow Sensor, 17-1/8" (43.50 cm) Insertion Length.
  • Length - 17-1/8" (43.50 cm)
PAFS-1009
PAFS-1009
DWYER Averaging Flow Sensor, 19-13/32" (49.29 cm) Insertion Length.
  • Length - 19-13/32" (49.29 cm)
PAFS-1010
PAFS-1010
DWYER Averaging Flow Sensor, 21-21/32" (55.01 cm) Insertion Length.
  • Length - 21-21/32" (55.01 cm)
PAFS-1011
PAFS-1011
DWYER Averaging Flow Sensor, 23-29/32" (60.72 cm) Insertion Length.
  • Length - 23-29/32" (60.72 cm)
1 - 10 of 10 Part Numbers

View_Details

Specifications

Brand

Length

  • 3-5/32 to 23-29/32

Media

  • Air
  • Compatible Gases

Operating Temperature

  • 4° to 49° C (40° to 120° F)

Sensor Orientation

  • Integral Flange with Gasket

Storage Temperature

  • -40° to 60° C (-40° to 140° F)

Tube Connection

  • 1/4” (6 mm) I.D.
  • 3/8” (10 mm) O.D. Tubing

Wetted Materials

  • ABS
  • Polycarbonate (UL 94-5V)

  • Zone Control in HVAC Systems

Documentation

Data Sheets

Approvals

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Manuals

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