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Product Description
Made by Dwyer, the Magnehelic differential gage for high accuracy guaranteed within 2 percent of full scale, and for the wide choice of 81 ranges available to suit your needs precisely. Using simple, frictionless Magnehelic movement, it quickly indicates low air or non-corrosive gas pressures either positive, negative (vacuum) or differential. No manometer fluid to evaporate, freeze or cause toxic or leveling problems.Widely used to measure fan and blower pressures, filter resistance, air velocity, furnace draft, pressure drop across orifice plates, liquid levels with bubbler systems and pressures in fluid amplifier or fluidic systems. It also checks gas-air ratio controls and automatic valves, and monitors blood and respiratory pressures in medical care equipment.