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Hydronic Manometer HM685 is used to balance hydronic heating and cooling systems, check pump performance and set balancing valves. It can measure and display differential, high side and low side pressures simultaneously, without the need to change hose connections or...

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...

The Vortex3 Pro offers enhanced functionality for users who need detailed data logging, connectivity, and advanced flow control. The vortex3 Pro includes Bluetooth, a battery gauge and remote monitoring and control. Ideal for area sampling for airborne contaminants including...

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.

NOTE: Now Available in the US, Canada, Australia, New Zealand, Guam and Puerto Rico. 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...

The Apex2 Plus offers enhanced performance, ensuring it can handle even the most demanding personal monitoring applications. With a flow rate up to 5L/min, the Apex2 Plus models offers enhanced features like duration timers, Bluetooth connectivity, enabling real-time data and...