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AirAssure™ 8144-4 IAQ Monitor measures formaldehyde, CO, VOCs, CO2, particulate matter, barometric pressure, temperature and relative humidity.  The AirAssure™ IAQ Monitor in combination with TSI Link™ Solutions software are essential to creating, managing, and deploying your...

The AccuBalance® Air Capture Hood 8380 is a multipurpose electronic air balancing instrument primarily used for efficiently taking direct air volume readings at diffusers and grilles. It features a detachable micromanometer which can be used with optional probes for increased...

Formaldehyde is a colorless and very water-soluble gas and is suspected of being carcinogenic and is present in just about all of our homes and workplaces.

TSI Quest offers a variety of noise dosimeters that are rugged, lightweight and designed for exceptional ease of use.

Each model of the DP-Calc combines a lightweight and durable design with an easy-to-read display.

Measures velocity and temperature with a straight, telescopic probe.

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...

The 9630 VelociCalc is a portable, handheld Multi-Function micromanometer featuring a menu-driven user interface for easy operation. The high-resolution color screen displaying multiple measurements simultaneously in real-time with on-screen prompts to guide you through...

NOTE: Now Available in the US, Canada and Australia. Coming soon to more regions. TSI Quest™ Edge 7 Personal Noise Dosimeter is a powerful and intuitive instrument designed for identifying hearing loss threats and informing the design of hearing protection programs and...

Actions taken to improve air quality in education institutions have positive effects on children's overall learning performance, while helping to improve the well-being of teachers and other staff and minimize absenteeism.  Poor Indoor Air Quality (IAQ) is often caused by...