Testo Testo 416(0560 4160 )Anemometer Air Speed Meter Anemograph Vane Anemometer     Introduction:  Testo 416 vane anemometer with cabled telescopic vane probe, battery and calibration certificate.  The compact testo 416 is an easy to use vane anemometer with attached 16 mm (0.63 in) vane probe on a telescoping shaft. Just enter the duct area measurements directly into the testo 416 and volume flow measurements (cfm) are shown on the clear display. Timed and multi-point mean flow calculations allow quick, easy and accurate airflow measurement. Min-Max values are one button simple, while the "Hold" function freezes the current readings in the display for easy data recording.  •Direct display of volume flow (CFM)  •Multi-point and timed mean calculations  •Max - Min values make comparisons fast and easy  •"Hold" button freezes readings  •Back lit display  •Auto-Off function  •TopSafe, the indestructable protective case (optional)     II.Specification:  Storage temperature -40 to +185 °F   Operating temperature -4 to +122 °F   Battery type 9V battery (not included package)  Battery life 80 hr   Weight 11.5 oz   Dimensions 7 x 2.5 x 1.6 in   Material/Housing ABS