Kit anemometer with shrouds and flow straightener – Testo 417 set 2, is ideal for measurements in vents and panel outlets. The Kit includes Testo 417 vane anemometer with integrated 100 mm vane, including calibration protocol and battery, Testovent 417 measurement funnel for plate outlets (diameter 200 mm), Testovent 417 measurement funnel for ventilation grilles (330 x 330 mm), Testovent 417 volume flow straightener, bag for storing the Testovent 417 measurement funnels