Handheld Anemometer Digital Wind Speed Meter with Large LCD Display Vane Cover 270 Rotatable Detector Portable Anemometer Digital Handheld Anemometer - 270 Rotatable Detector, 6 Wind Speed Units, Backlight, MAX/MIN/AVG, Temp & Humidity, Auto-Off 6 Wind Speed Units Optional The air flow meter provides 6 speed units: m/s, km/h, ft/s, ft/m, knots, Miles per hour (mph). Measures wind speed in the range of 0.67~67.1 miles per hour, wind temperature: -4.0~140.0, widely used in HVAC, drone flight, sailing and other indoor and outdoor wind speed measure. Accurate CFM Wind Meter With sensitive dual temperature sensors and 8 blades, it brings you more accurate measure (Accuracy 2%). BTMETER 3-in-1 anemometer handheld provide you with one-stop access to key environmental data including wind speed, wind temperature, humidity and air cooling. A good helper in CFM calculation. Air Flow in CFM (Q)=Wind speed(V) x Duct Cross Sectional Area(A) Tripod Hole Design With standard 1/4" tripod mounting screw hole on the bottom(Tripod NOT Included) allowing you to monitor the weather condition easily and set your hands free. A free hand strap is provided to prevent falling and loss (Note: bind it to the wrist first and then turn on the phone for measurement to avoid being entangled in the fan blades and causing damage). Big LCD Backlit Screen & Easy to Read The BTMETER wind meter handheld features an extra-large LCD screen and 270 Rotatable Detector for easy readings. The included fan guard not only adds a sleek and modern aesthetic to the anemometer, but also plays a vital role in protecting the fan blades from damage. 270 Rotatable Detector Anemometro with 270 adjustable wind speed sensor head, it can accurately detect wind from all directions.1x BT-5000K digital anemometer, 1x screwdriver, 1x user manual. We provide 365 day warranty, Fast and effective 24 x 7 professional tech support, for any problem, please contact us. BT-5000K Product Features: Accurately measure wind speed, wind temperature, and humidity. Equipped with a 270 adjustable wind speed sensor head, it can accurately detect wind from all directions. Fan blade covers are not only stylish, but also extend the life of the fan blades. Has 6 wind speed unit switching functions: m/s, km/h, Ft/m, Ft/s, knots, mph Using impeller type + bearing sensor. Comes with a tripod screw hole to free your hands when measuring. Comes with a hand strap to prevent it from being dropped or lost. Specification: Wind speed range: 0.67~67.1 MPH (resolution 0.01) Wind speed accuracy: 2.0% Sampling time: 0.5 seconds/time Wind speed units: meters/second, kilometers/hour, feet/meter, feet/second, knots, miles/hour Temperature range: -4.0F140.0F (-20.060.0) Temperature unit optional: / Temperature accuracy: 1 Humidity range: 0.0%99.9%RH Humidity accuracy: 20%80%RH (5.0%RH) Package list: 1x BT-5000K wind speed gauges 1x storage bag 1x screwdriver 1x user manual _x000D_