This Amprobe Hot Wire anemometer technology eliminates the use of bearings and rotating parts. Because of this fact the meter is durable and provides good and stable accuracy of the measurements. Used for indoor air quality and HVAC-R technicians measuring heating, ventilation, air-conditioning, ref This Amprobe Hot Wire anemometer technology eliminates the use of bearings and rotating parts. Because of this fact the meter is durable and provides good and stable accuracy of the measurements. Used for indoor air quality and HVAC-R technicians measuring heating, ventilation, air-conditioning, ref SKU: TMA-21HW Loading... Availability Loading... Selected quantity should be in between 1 and 99999. - Enter Quantity + Add To Cart