Anemometer Air Velocity Meter à¤Ã×èͧÇÑ´¤ÇÒÁàÃçÇÅÁ à¤Ã×èͧÇÑ´ÅÁ CFM CMM Meter Flow Meter à¤Ã×èͧÇÑ´»ÃÔÁÒµÃÅÁ »ÃÔÁÒ³ÅÁ CFM/CMM > Anemometer à¤Ã×èͧÇÑ´¤ÇÒÁàÃçÇÅÁ áÅÐÍسËÀÙÁÔ Hot Wire 407119 CFM Hot Wire Thermo-Anemometer 407119 Accurately measures Air Flow (CFM/CMM) or Air velocity plus °F/°C Temperature Air velocity measurements as low as 40ft/min Telescoping probe is ideal for use in ducts andventilating systems; extends up to 3ft (940mm) long Measures air volume in CFM (ft3/min) and CMM(m3/min) plus Temperature simultaneously Air Flow displayed in 2 modes as an instantaneousvalue or up to 20 point average Record/Recall MIN and MAX readings Super large 1.4" (99,999 count) LCD display Data Hold plus Auto Power Off Built-in RS-232 PC interface with optional Data Acquisition software and cable The Hot Wire CFM Anemometer by Extech accurately measures Air Flow (CFM/CMM) or Air velocity plus °F/°C Temperature. Features: Air velocity measurements as low as 40ft/min Telescoping probe is ideal for use in ducts and ventilating systems; extends up to 3ft (940mm) long Measures air volume in CFM (ft3/min) and CMM (m3/min) plus Temperature simultaneously Air Flow displayed in 2 modes as an instantaneous value or up to 20 point average Record/Recall MIN and MAX readings Super large 1.4" (99,999 count) LCD display Data Hold plus Auto Power Off Built-in RS-232 PC interface with optional Data Acquisition software and cable Complete with telescoping probe with 5.5ft (167.6cm) cable, and four AA batteries Spec Summary: Range ft/min: 40 to 3346ft/min MPH: 0.5 to 38.0MPH knots: 0.4 to 33.0knots m/s: 0.2 to 17.0m/s km/h: 0.7 to 61.2km/h Temperature: 32 to 122°F 0 to 50°C Range CMM (meter3/min): 0 to 36,000m3/min CFM (feet3/min): 0 to 1,271,200ft3/min 407119 Anemometer Extech Hotwire à¤Ã×èͧÇÑ´¤ÇÒÁàÃçÇÅÁ à¤Ã×èͧÇÑ´»ÃÔÁÒµÃÅÁ à¤Ã×èͧÇÑ´ÍѵÃÒ¡ÒÃäËÅ