inches of mercury


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inches of mercury

A unit used as a measure of pressure; equal to the pressure exerted by a column of mercury 1 inch (2.54 cm) high; equivalent to a pressure of 3386.4 newtons per square meter.
References in periodicals archive ?
It is equipped with a 155-horsepower diesel engine; 300 cfm at 220 psi compressor, 1,000 cfm at 15 inches of mercury, 4-inch positive displacement blower; 0 to 3,000 psi high-pressure water system, self-purging filtration system; interceptor canister; and enclosed powerhead.
The FX30's powerful 2-lobe blower develops 500 cfm and develops 15 inches of mercury, providing powerful suction force.
The Air-Vac 7 has maximum vacuum of 11 inches of mercury and maximum air flow of 875 cubic feet per minute.