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The 9600 VelociCalc is a portable, handheld Multi-Function Ventilation and IAQ test instrument featuring a menu-driven user interface for easy operation. The high-resolution color screen displays multiple measurements simultaneously in real-time with on-screen prompts to guide...

Measures velocity and temperature with a straight, telescopic probe.

Learn about safety lessons for contractors and companies that hire them.

HVAC in healthcare priority is to improve indoor air quality, ensure compliance, and boost energy efficiency, without disrupting patient care.

The new TSI AirAssure™ Indoor Air Quality Monitors continuously measure factors critical to knowing if your indoor air is healthy for occupants.