Frequently Asked Questions (FAQs)

You asked, we answered. Find answers to common questions about product usage, troubleshooting, and software downloads in our FAQs section. Can’t find what you’re looking for? Ask us here.

Common questions about the correct operation and maintenance of your PortaCount^® Respirator Fit Tester.

Steps to download software for your specific unit from the TSI website

It’s good to be in the know. Join our mailing list and let us keep you up to date on the things you want to hear about.

Join the List