Anemometer Air Velocity Meter à¤Ã×èͧÇÑ´¤ÇÒÁàÃçÇÅÁ à¤Ã×èͧÇÑ´ÅÁ CFM CMM Meter Flow Meter à¤Ã×èͧÇÑ´»ÃÔÁÒµÃÅÁ »ÃÔÁÒ³ÅÁ CFM/CMM > à¤Ã×èͧÇÑ´¤ÇÒÁàÃçÇÅÁ à¤Ã×èͧÇÑ´¤ÇÒÁàÃçÇÅÁ áÅÐÍسËÀÙÁÔ Cup Thermo-Anemometer AN400 Pocket size Air Velocity meter and Thermometer Cup Thermo-Anemometer Pocket size Air Velocity meter and Thermometer Rotating cups provide accurate air velocity measurements Wide range air velocity measures m/s, ft/min, km/hr, and knots Dual LCD digital display of Air Velocity and Temperature Record Max and Min values Datalogger stores up to 100 readings Water resistant housing Complete with four AAA batteries Measurement Range Resolution Basic Accuracy m/s 0.9 to 35.0 m/s 0.1 m/s ±(2% + 0.2 m/s) Km/h 2.5 to 126.0 Km/h 0.1 Km/h ±(2% + 0.8 Km/h) Knot 1.4 to 68.0 Knots 0.1 Knots ±(2% + 0.4 Knots) Ft/min 144 to 6895 Ft/min 1 Ft/min ±(2% + 40 Ft/min) Mile/h 1.6 to 78.2 Mile/h 0.1 Mile/h ±(2% + 0.4 Mile/h) Anemometer Air Velocity Meter à¤Ã×èͧÇÑ´¤ÇÒÁàÃçÇÅÁ à¤Ã×èͧÇÑ´ÅÁ CFM CMM Meter Flow Meter à¤Ã×èͧÇÑ´»ÃÔÁÒµÃÅÁ »ÃÔÁÒ³ÅÁ CFM/CMM > à¤Ã×èͧÇÑ´¤ÇÒÁàÃçÇÅÁ à¤Ã×èͧÇÑ´¤ÇÒÁàÃçÇÅÁ áÅÐÍسËÀÙÁÔ Cup Thermo-Anemometer AN400