The newest Mini Air HW Pro, the VT50, is a portable, compact, highly accurate (± 2 percent of rdg) hot wire thermo-anemometer, the company states. It has a resolution of 1 fpm, 0.1 degree F. This air velocity and temperature meter is designed for one-hand operation. It can display two parameters simultaneously. The device is equipped with features such as a hold function, minimum and maximum values, and a magnetic protective rubber boot (available upon request). Optional dedicated cones allow the airflow to be measured. The ambient temperature is measured with an RTD Pt100.

E Instruments Group, Attn: Jason Esteves, HVAC Product Manager, 172 Middletown Blvd., Ste. B201, Langhorne, PA 19047; 215-750-1212; 215-750-1399 (fax); info@einstrumentsgroup.com; www.einstrumentsgroup.com.