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 áÅÐÍسËÀÙÁÔ à¤Ã×èͧÇÑ´¤ÇÒÁàÃçÇÅÁ Heavy Duty CFM Metal Vane Anemometer 407113 Heavy Duty CFM Metal Vane Anemometer 407113 Withstands temperatures to 175°F (80°C) and airspeed to 7880ft/min Display Air Flow (CFM) or Air Velocity plus Temperature Air Flow displayed in 3 modes: - Instantaneous value - Up to 20 point average or - 2/3 flow value Record and Recall MIN, MAX Data Hold plus Auto power off Built-in RS-232 PC Interface Specifications Air Velocity Ranges: 100 to 7880 ft/min 1.1 to 89.4MPH 1.0 to 78.1 knots 0.5 to 35.0 m/s 1.8 to 144.0 km/h Temperature Ranges 32 to 175deg.F 0 to 80 deg.C Air Flow Ranges 0 to 999,900 CFM (ft3/min) 0 to 999,900 CMM (m3/min)