The Kestrel 3000 pocket wind and humidity meter is a high-accuracy, pocket-sized anemometer for hvac- and OSHA-related measurements of air velocity and relative humidity in a variety of applications, the company says. The unit offers three operating modes: air velocity, average air velocity, and maximum air velocity. Measurements can be displayed in feet per minute, miles per hour, knots, meters per sec, or kilometers per hour. Temperature is displayed in °F or °C, and wind chill is calculated. Relative humidity is displayed as % rh.

E. Clark & Associates, 55 Green St., Clinton, MA 01510; 800-253-2497; 978-368-3633 (fax).