Air Velocity and temperature Sensor with 1/4" x 5" SS probe; 30 - 1969 fpm, for use with H22, U30 or U12 (with CABLE-ADAP5 0-5 Vdc analog input cable) loggers. Measures air velocity. Typically used in HVAC air distribution applications. Dimensions: 91 mm x 12 mm diameter Has 5" x 1/4" stainless steel probe.