Air flow meter
device that measures how much air is flowing through a tube
An air flow meter is a device similar to an anemometer that measures air flow, i.e. how much air is flowing through a tube. It does not measure the volume of the air passing through the tube, it measures the mass of air flowing through the device per unit time, though Thus air flow meters are simply an application of mass flow meters for the medium of air. Typically, mass air flow measurements are expressed in the units of kilograms per second (kg/s) or feet per minute (fpm), which can be converted to volume measurements of cubic metres per second (cumecs) or cubic feet per minute (cfm).
In automobiles
In industrial environments
Air flow meters monitor air (compressed, forced, or ambient) in many manufacturing processes.
In many industries, preheated air (called "combustion air") is added to boiler fuel just before fuel ignition to ensure the proper ratio of fuel to air for an efficient flame. Pharmaceutical factories and coal pulverizers use forced air as a means to force particle movement or ensure a dry atmosphere. Air flow is also monitored in mining and nuclear environments to ensure the safety of people.
“Air flow meter” enters the record as device that measures how much air is flowing through a tube. Crown Archives preserves that source wording while asking what flow, meter and device can confirm, complicate or overturn.
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“Air flow meter” is worth following because a concise public description often conceals a longer documentary argument. Here, flow, meter and device provides the most credible route into that argument.
The citation trail is more important than the brevity of the summary: it shows where individual claims can be examined in context. The source revision retrieved here is dated Jul 16, 2025. The linked authority identifier is Q16002172. None of the 0 selected statements returned an explicit reference.
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This entry incorporates text from “Air flow meter” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.