TSI Blogs

For over 50 years, engineers and scientists at TSI have explored and discovered new ways to measure, analyze, and advance knowledge. Find out what we're up to in your field.

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Feb 24 2021 16:33

What is Respirator Fit Testing? A new TSI video

What is a respirator fit test? And how does a fit test reveal how well a respirator will protect an employee?

Posted to Occupational Health & Safety Blog on Feb 24 2021 16:33 | with 0 comments

Jan 20 2021 14:00

How-To Video: Fit Testing N95s with the PortaCount Respirator Fit Tester

In this 4-minute video, experts demonstrate how to achieve a good respirator fit quickly with quantitative methods, using the PortaCount Fit Tester.

Posted to Healthcare & Medical Blog on Jan 20 2021 14:00 | with 0 comments

Jan 08 2021 12:44

How N95 Respirators Work and Why it Matters

What do ratings mean when it comes to choosing an N95? What does the 95 represent?

Posted to Occupational Health & Safety Blog on Jan 08 2021 12:44 | with 0 comments

Nov 23 2020 08:21

Why a Good Fit Test is Worth Probing a Respirator

Quantitative testing more accurately measures fit and protection but modifies the respirator, rendering it unavailable for future reuse. Is it worth it?

Posted to Healthcare & Medical Blog on Nov 23 2020 08:21 | with 0 comments