Benetech GM8902+ Air Flow Anemometer

Features  1.Measurement of wind velocity, temperature and flow 2.Unit conversion of wind velocity, temperature and flow 3.Measurement of maximum and minimum wind velocity 4.Measurement of 2/3 Vmax and average wind flow 5.Data holding, storing and deleting function 6.Low battery indicating function 7.Auto power off function (power off automatically if no further operation for 10 minutes ) 8.Memory of 500 records 9.Backlight 10.Connecting to PC with USB cable 11.Audio key pressing alert 12.Large LCD display 13.Retractable drag rod Specifications  1. Wind Velocity Range :  Unit Wind Velocity Resolution Lowest Point of start value Accouracy m/s 0.0-45.0 0.001 0.3 ±3%±0.1 Ft/min 0.0-8800 0.01/0.1/1 60 ±3%±20 Knots 0.0-88.0 0.01/0.01 0.6 ±3%±0.2 Km/h 0.0-140.0 0.001 1.0 ±3%±0.4 Mph 0.0-100 0.001/0.01 0.7 ±3%±0.2 2. Wind flow range ：CMM：0-999900m³ /min,CFM：0-999900 ft³ /min  Unit Range Resolution Area CFM(FT³ /MIN) 0-999900