TSI Incorporated has launched a newly redesigned line of thermal anemometers and indoor air quality instruments, including the VelociCalc® Multi-Function Ventilation Meter Model 9565 and the Q-TRAK™ Multi-Function IAQ Monitor Model 7575.

Backed by proven technology and TSI’s commitment to innovation, the recently updated products provide highly accurate, fast, and easy-to-use measurement instrumentation for building service contractors, commissioning specialists, facility engineers, HVAC experts, and research professionals.