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 CFM Vane Flow Rate Datalogger 451126 CFM Vane Anemometer Datalogger Measures Air Velocity, or Air Volume and Temperature with built-in Datalogger and RS-232 PC Interface Dual Display provides “Air velocity + Temperature” or “Air flow + Area” Measures air flow in CFM (ft3/min) and CMM (m3/min) Internal 1000 point datalogger plus built-in RS-232 PC interface MAX/MIN/AVG readings Anemometer Specifications Air Velocity Range Resolution Accuracy 0.3 to 45 m/sec 0.1 ±3% 60 to 8800 ft/min 10 ±3% 0.6 to 88.0 knots 0.1 ±3% 1 to 140.0 km/hr 0.1 ±3% 0.7 to 100.0 MPH 0.1 ±3% Temperature Range 32°F to 122°F (0°C to 50°C) Temperature Resolution 0.1° Temperature Accuracy ±1.5°F (±0.8°C) Air Volume CFM (ft3/min) CMM (m3/min) Power Source 9V Battery Dimensions 11.8" x 9.6" x 1.96" (300mm x 244mm x 50mm) Weight 1.5 lbs (0.68kg) 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 CFM Vane Flow Rate Datalogger 451126