Kestrel 1000 pocket wind meter

- replaceable 1 in. diameter impeller mounted on a sapphire jewel bearing
- meter is restored to factory calibration simply by dropping in a new user replaceable impeller
- can be switched between mph, km/h, ft/min, m/s, and knots
- large easy to read digital display
- measures present wind speed, average, or maximum wind gust speed
- registers extremely low wind speeds up to high wind speeds with ease and accuracy
- an invaluable precision instrument for the amateur