Protmex Digital Anemometer Wind Speed Meter Air Volume Measurer Air Humidity Flow Meter with USB 625B

Product Description: This wind speed meter is a digital anemometer for measuring the ambient temperature, humidity, dew point temperature, wet bulb temperature, wind speed, and air volume. This anemometer meter is a portable, professional measuring instrument with large-screen LCD and backlight, multi-unit switching functions. This meter can be used for hand-held or fixed measurement. This meter has the functions of reading hold, maximum, minimum, etc. It has a low battery indicator and USB real time data uploading functions. Product Specification: m/s(meter per second): 0.40~30.0 ±(2.0% reading + 50) ft/m (feet per minute): 80~5900 ±(2.0% reading + 50) km/h (kilometer per hour): 1.4~108.0 ±(2.0% reading + 50) mile/h(mile per hour): 0.9~67.0 ±(2.0% reading + 50) Knots(nautical miles per hour): 0.8~58.0 ±(2.0% reading + 50) Air Temperature: -20 to 60C(-14 to 140F) 1.5C(±2.7F) Air Relative Humidity 0 to 100% RH: ± 3 % CFM: 0 to 99990 0 to 9.999ft2 CMM: 0 to 99990 0 to 9.999ft2 CMS: 0 to 9999 0 - 9.999 m² Flow Area Setting: ? MAX/MIN Function: ? Display Back light: ? Auto Power Off: ? ?/? Selection: ? Ambient , Dew Point & Wet Bulb Temperature Selection: ? Low Battery indication: ? USB Interface: ? Power Supply: l x 9V 6F22 Product Size: 165mm x 85mm x 38mm (6.5" x 3.3" x1.5") Product Weight: 200 g (0 .41b) Category: CE Packing Weight: 420g Packing Size: 200*111*69mm Package include: 1*DIGITAL ANEMOMETER METER 1*Colorful Box 1*User Manual 1*Meter Bag 1*USB cable 1*CD