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 DT-8894 CMM/CFM Thermo-Anemometer withIR Thermometer DT-8894 CFM/CMM Thermo-Anemometer with built-in non-contact IR thermometer measure remote surface temperature to 932℉(500℃) with 30:1 distance to spot size and laser pointer. Features Simultaneous display of Air Flow or Air Velocity plus Ambient Temperature Easy to set Area dimensions (cm2) are stored in the meter's internal memory for the next power on Resolution of 0.01m/sec 20 point average for Air Flow Super large (9999 count) LCD Backlit Display 3% velocity accuracy via low friction 2.83"D (72mm) ball bearing vane wheel on 3.9ft (120cm) cable Complete with vane sensor with 3.9ft (120cm) cable, 9V battery, and protective rubber holster Specifications Air Velocity Range Accuracy 8893 8894 m/s(meter per second) 0.40~30.00 ±3% ±0.20m/s * * ft/min(feet per minute) 80~5900 ±3% ±40ft/min * * km/h(kilometers per hour) 1.4~108.0 ±3% ±0.8km/h * * MPH(miles per hour) 0.9~67.0 ±3% ±0.4MPH * * Knots(nautical miles per hour) 0.8~58.0 ±3% ±0.4knots * * Air Temperature 14-140oF(-10-60oC) ±4.0oF(2.0oC) * * InfraRed Temperature -58 to -4oF(-50 to -20oC) ±9.0oF(5.0oC) * -4 to 932oF(-20 to 500°C) ±2% reading * Air Flow Range Area CFM 0-999900 0-999.9 ft2 * * CMM 0-999900 0-999.9 m2 * * 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 DT-8894