Testo 416 testo 416 vane anemometer with telescope (max. 890 mm) incl. batteries and calibration protocol The compact testo 416 anemometer with permanently attached vane probe with telescopic handle (max. 890mm). Volume flow is shown directly in the display. Accurate volume flow calculation due to easy input of duct area. Timed and multi-point mean calculation provide information on mean volume flow. Min/max values can also be shown in the display. The Hold function enables you to freeze the current reading in the display. Direct display of volume flow Multi-point or timed mean calculation Max/min values Hold button to freeze readings Display light Auto-Off function TopSafe, the indestructible protective case (optional) TopSafe, instrument protection against dirt and knocks (optional) Storage temperature -40 to +85 °C Operating temperature -20 to +50 °C Battery type 9V block battery, 6F22 Battery life 80 h Weight 325 g Dimensions 182 x 64 x 40 mm Material/Housing ABS Probe type Vane Meas. Range +0.6 to +40 m/s Accuracy ±(0.2 m/s +1.5% of mv) Resolution 0.1 m/s Anemometer Flow Meter Testo Testo 416 à¤Ã×èͧÇÑ´¤ÇÒÁàÃçÇÅÁ à¤Ã×èͧÇÑ´»ÃÔÁÒµÃÅÁ à¤Ã×èͧÇÑ´ÍѵÃÒ¡ÒÃäËŠẺ㺾Ѵ