Operation of MAF is based on the principle of constant temperature. Hot wire (2) with diameter of 70μm is mounted in a measuring tube located before the throttle valve. MAF sensor which measures the mass of air flow – Hot Wire sensor This type of sensor is not sensitive to the pulsations associated with opening and closing of intake valves and the output reading does not depend on the density of incoming air. Nowadays the most common are MAF, because they don’t have mechanical moving parts and have great performance and accuracy. A sensor which measures the mass (kg/h) of the air flow – Hot Film MAF (HFM).A sensor which measures the mass (kg/h) of the air flow – Hot Wire MAF sensor (also known as HLM). ![]()
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