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Dwyer 460 Air Meter
Dwyer 460 Air Meter
Dwyer 460 Air Meter
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Price: $42.75

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Product Code: 460


Dwyer 460 Air Meter

The Dwyer 460 Air Meter is used to determine air velocity and static pressure readings in ducts, registers, and other HVAC components. On one side of the meter, the 460 measures air velocity in both high and low ranges; the low range measures from 300 to 1200 ft/min and the high range measures from 1000 to 4000 ft/min. The other side measures static pressure in two ranges as well, with the low range reading from 0.005 to 0.09 in WC and the high range from 0.05 to 1.0 in WC. The white plastic ball will hover inside the tube due to the pressure differential, indicating the measurement.

The 460 comes with a 14 in (35.5 cm) in long piece of rubber tubing with an inside diameter of 3/16 in (0.48 cm) and an outside diameter of 5/16 in (0.8 cm). Using the angle connector, over-draft readings in furnaces can be taken. Because the 460 Air Meter is passive, there is no need to worry about batteries being drained or electrical components failing from overuse or damage from the elements. The Dwyer 460 Air Meter is made of durable plastic made to withstand tough conditions found on a job site or in a crowded tool box.

  • Measures air velocity and static pressure
  • Air velocity measured up to 4000 ft/min
  • Static pressure measured up to 1.0 inch WC
  • Furnace drafts can be measured with angle connector
  • Air filter tests can be performed
  • Passive instrument does not require power source or batteries


  • Dwyer 460 Air Velocity Meter
  • Chemically treated pipe stem cleaners
  • Nylon bristles to clean calibration orifice
  • Air velocity calculator
  • Supply grille probe
  • 14" length, 3/16" x 5/16" rubber tubing
  • Angle connector
  • Return grille probe
  • Case

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