DT-8880 Hot Wire Anemometer The HOT WIRE ANEMOMETER makes a step forward for you into the field of precision measurement. Telescoping probe is ideal for measuring in HVAC ducts and other small vents; extends up to 40ft/min. Features: 1.Thermal anemometer, available for very low air velocity measurement. 2.Slim probe, ideal for grilles & diffusers. 3.Combination of hot wire and standard thermistor, deliver rapid and precise measurements 4.Records maximum/minimum readings with recall & data hold. 5.Microprocessor circuit assures maximum possible accuracy, provides special functions and features.