Trade in and trade up to a new PortaCount

For a limited time, TSI is offering US$1,500 off the list price of a brand new PortaCount when you trade in your existing respirator fit tester (even if it’s not from TSI). With real-time FitCheck™ mode to help you find the right mask and a better...

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New 3789 Water-Based CPC from TSI

Based on years of research and development, TSI has launched the new 3789 Versatile Water-Based Condensation Particle Counter (WB-CPC), designed for research-grade applications. With numerous enhancements including as easy, user-adjustable counting efficiency, and fixes for issues commonly associated with older-generation model WB-CPCs such as flooding...

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Trade up and save 25% on a new TSI Water CPC

With the release of the new 3789 Versatile Water-Based Condensation Particle Counter, TSI are currently offering up to 25% off the list price of a new 3789 unit when you trade in an existing device*. The new design makes the 3789 a highly reliable and resistant...

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Save thousands with our HVAC packs

With thousands off a variety of HVAC packs, now is the perfect time to expand your HVAC fleet. We have put together a range of packs to suit your needs and budget. Buy together and save! Whether you are looking for a starter pack or...

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Huge particle instruments ex-demo sale on now

You won’t want to miss out on this sale. To round out the year, TSI is offering substantial savings on particle research ex-demonstration units, including: 3340 Laser Aerosol Spectrometer, 3777 Nano Enhancer, 3788 Nano water-based CPC, 3910 NanoScan SMPS Nanoparticle Sizer, Now is the time...

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Now’s the time to upgrade your 8520 DustTrak

As well as no longer carrying spare parts for the discontinued TSI 8520 DustTrak Aerosol Monitor (which means unfortunately no service or repair), due to an upgrade to our calibration system (to better service your units in the future) we will unfortunately no longer be...

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PANDA on sale now! Get in quick

The Airflow Instruments PAN341 Positive and Negative Duct Accreditation (PANDA) Duct Leakage Tester provides the best way to quantify air leakage in ductwork, as well as the ability to measure the performance of ducted systems. The PAN341 provides a fast, accurate, automated solution that enhances energy...

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