GR-878 Portable Digital Wind Temperature Anemometer Max Min Total Air Volume Wind Speed and Direction with Compass for Ventilation and Air Conditioning

Advanced cup anemometer: The wind speed and direction sensor adopts 4 cup rotating frame structure. The blade of the anemometer is horizontal, and the compass is at the top, which allows you to measure the wind speed by 360°. There is no need to turn the anemometer in the right direction of the wind. Accurate anemometer: GR-878 anemometer is used to measure wind speed in a range of 1.5-93mph, 2.5-150km/h, 1.3-81 knots, 0.7-42m/s. The accuracy is +/- 4% and the resolution is 0.1m/s. The accurate anemometer can respond even in light winds. Easy to use: The temperature can be displayed in Celsius and Fahrenheit. The LCD display shows the maximum/average/current value of wind speed, with a backlight that makes it easy and clear to view the numbers in the dark. Manual/automatic shutdown after 15 minutes, low power consumption, extended battery life. Wide application: The anemometer provides a quick measurement for the analysis of critical environmental conditions. Suitable for indoor and outdoor applications, such as navigation, industrial wind, marine fishing, making various fans, shooting, flying, HVAC, etc. Portable anemometer: The volume of the anemometer is 7.95 x 3.5 x 3.5 inches. Portable and easy to carry by plane, surf or car.