Dwyer Model 460 Air Meter
Dwyer Instruments

A low-cost, direct reading instrument for a wide range of air velocity and static pressure tests. Two ranges, one on each side. A high range 1000-4000 ft./min. and a low range 260-1200 ft./min. Shows supply and return grille velocities, static pressure, furnace draft, pressure drop across air filters, duct air velocities, etc. Complete with air meter, return and supply grille probes, angle connector, cleaning materials, instruction card, air velocity calculator, carrying case and 3 extra plastic balls in plastic tube. The optional Cleaning Kit includes 3 anti-static chemically treated pipe stem cleaners and nylon high range orifice cleaner.

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