OHD Recognizes ShawCity Limited as 2018 International Distributor of the Year

OHD has been protecting the worlds workforce since 1992. It is not without the help from key national and international distributors that we are able to do so.
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Environmental Noise Monitors

dBActive app now available for iOS and Android!

This year, Cirrus has taken another leap forward in their product offerings with the launch of the dBActive smartphone application!
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Mail Bombs Are Being Sent to Public Figures - How the USPIS Stays Safe with the OHD Quantifit

In today's world, a single fingerprint can be the difference between multiple deaths and a man locked away, safely away from the public. A Florida man has been charged with sending 14 homemade...
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OHD News

The Finishing Trades Institute International Partners With OHD

The Finishing Trades Institute International (IFTI) is pleased to announce a new and exciting partnership with OHD - a company we have had the pleasure of working with since discovering them while...
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3 min read
doseBadge Noise Dosimeter - Sep 12, 2018

A Dosimeter for the Future: a History of the doseBadge

In 1995, a team of young engineers at Cirrus Research set to work on revolutionising the design and functionality of noise dosimeters. Their hard work and tireless dedication to the protection of people’s hearing led them to...
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3 min read

The doseBadge5 helps reluctant workers protect their hearing [Case Study]

Ear protection isn’t the most stylish or fashionable thing to wear and it can certainly impede your ability to have a conversation. Many people see and read the signs around industrial areas that highlight the importance of...
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1 min read
fit testing - Aug 16, 2018

New ISO Standards for Mask Fit Testing

  In March 2018, after a five-year process involving more than 60 countries, a brand new international safety and occupational health standard, ISO, was published. The standard works to set a new benchmark in worldwide...
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2 min read

Real-world Problems with Mask Fit Testing

Work is dangerous, and industrial hygienists know that danger is not a finite resource—it has to be stamped out wherever it’s found. When workers are protected and respirators fit correctly, your workers live longer, healthier...
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2 min read

A Sound Level Meter with Calibrator

Each time you use your sound level meter, it should be calibrated using an acoustic calibrator. This can help you ensure that your instrument is measuring correctly and that you are complying with the requirements of any...
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