This document is the user manual for the Digi-Sense 20250-23 Compact Vane Anemometer. The instrument measures air velocity in units of m/s, MPH, FPM, KNT, and KPH. Advanced features include an automatic backlight, MAX/AVG readings, and automatic power-off. The instrument is fully tested and calibrated to NIST-traceable standards. Careful use of this meter will provide years of reliable service.