The AV90 anemometer will display airflow readings in metres/second, feet/minute, knots, mph or kph.
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The Martindale AV90 thermo anemometer displays temperature in °C or °F, and airflow, at the same time. It has a large, external vane probe for taking measurements in awkward areas.
Minimum and maximum values for flow and temperature can be shown. More accurate measurements can also be made, by taking 8 readings which are then automatically averaged. In addition, measurements can also be taken over 2 or 16 seconds, with the average of 2 or 16 readings being displayed