The Mini Air HW Pro-VT50 measures air velocity and temperature for HVAC applications. The device is portable and hand-held, and displays two parameters simultaneously. Ideal for low-flow air velocity in ducts, the product has a hold function, min and max values, and a magnetic, protective rubber boot on request.

E Instruments Group LLC, 172 Middletown Blvd., Suite B201, Langhorne, PA 19047; (215) 750-1212; fax (215) 750-1399; www.einstrumentsgroup.com.