Cheap tester network, Buy Quality testere 4 directly from China tester 12v Suppliers: Handheld Digital Anemometer Wind Speed Meter Air Flow Air Velocity Tester with Bar Graph BSIDE EAM02
Handheld Digital Anemometer Wind Speed Meter Air Flow Air Velocity Tester with Bar Graph BSIDE EAM02 Features: Anemometer with bar graph Simultaneous display of air flow or air velocity Easy to set area from 0.001 square meters to 9.999 square meters/(0.001 square feet to 9.999 square feet) Large LCD and bright display back light Data hold and MAX/MIN Auto power off Specifications:SpecificationsWind SpeedRangeAccuracym/s(meter per second)0.80~30.0±2%+50dFt/m(feet per minute)78~ 5900±2%+50dKm/h(kilometer per hour)1.4~108.0±2%+50dMile/h(mile per hour)0.9~67.2±2%+50dKnots(nautical miles per hour)0.8~58.0±2%+50dFt/s(feet per second)1.3-98.5±2%+50d Air FlowRangeAreaCFM0 to 999900 to 9.9990ft2CMM0 to 999900 to 9.9990m2CMS0 to 99990 to 9.999m2General Power Supply1 X 9V 6F22 Battery (not included) Product Size168mmx85mmx43mm