Flow stick testo 405-V1, without certific. of calibrat., 0-10 m/s, 1 unit(s)Flow stick testo 405 V1, without certific. of calibrat., 0 10 m s Mini anemometer with air current and volume flow measurement. Pivoting display. Extendable telescope (Max. L 300 mm x 12 to 16 mm). Delivery incl. batteries and attachment clip. Technical Information Type Testo 405 V1 Version without calibration certificate Parameters current temperature Flow measuring range 0 to 10 m s Resolution 0. 01 m s Flow accuracy (0. 1 m s +5% of the measured