For measuring filters and flow hoods for proper Air Velocity to determine the need for filter replacement or fan maintenance. Range is 0-200 feet per minute or 0-1.016 meters per second.

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To be used for scanning fi lters for leaks. This fan shaped probe is isokinetically designed and covers a much larger area in a shorter amount of time than the standard round isokinetic sampling probe that is included with the unit.

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