CFM/CMM + IR HD300 CFM/CMM Thermo-Anemometer with IR Temperature ÊÔ¹¤éÒ EXTECH , USA CFM/CMM Thermo-Anemometer with IR Temperature InfraRed Thermometer measures remote surface temperatures to 932°F (500°C) with 30:1 distance to spot ratio and Laser pointer Simultaneous display of Air Flow in CFM/CMM 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 Features: Infrared Thermometer measures remote surface temperatures to 932°F (500°C) with 30:1 distance to spot ratio and Laser pointer Simultaneous display of Air Flow in CFM/CMM or Air Velocity plus Ambient Temperature Easy to set Area dimensions are stored in the meters internal memory for the next power on Large (9999 count) LCD backlit display 20 point average for air flow USB port includes software Includes Windows® compatible software with cable, vane sensor with 3.9ft (120cm) cable, hard carrying case, and 9V battery Specifications Range Accuracy IR Temperature (non-contact) -58 to 932ºF (-50 to 500ºC) ±2% ft/min 80 to 5900 ft/min ±3% m/s 0.4 to 30.00 m/s ±3% km/h 1.4 to 108.0 km/h ±3% MPH 0.9 to 67.0 MPH ±3% knots 0.8 to 58.0 knots ±3% Temperature 14 to 140ºF (-10 to 60ºC) ±4ºF (2ºC) CFM/CMM 0 to 999900 Dimensions 8x3x1.9” (203x75x50mm) Weight 9.8oz (280g) Anemometer Extech HD300 à¤Ã×èͧÇÑ´¤ÇÒÁàÃçÇÅÁ à¤Ã×èͧÇÑ´»ÃÔÁÒµÃÅÁ à¤Ã×èͧÇÑ´ÍѵÃÒ¤ÇÒÁàÃçÇÅÁ Ẻ㺾Ѵ