The CFM Vane Thermo-Anemometer from this Massachusetts company has a large display screen that shows simultaneous air flow or velocity and temperature readings. The remote vane comes with a 39-in. coiled cable. Up to eight-point averaging is possible for velocity and air flow measurements. Min, max and average readings are displayed and temperatures can be shown in Celsius or Fahrenheit.

Extech Instruments Corp., 285 Bear Hill Road, Waltham, MA 02451-1064; 781/890-7440; fax 781/890-7864;