meteorologyparticulate air qualityindoor particle counterdata acquisition & accessories, etc.


Met One Instruments Inc. provides reliable, affordable, precision instrumentation for monitoring ambient and indoor air quality. We engineer and manufacture products from our facilities located in Oregon, Texas and New York. Our customer service, including on-going after-sales support is the best in the industry. All our products are made in the USA. More »

  • Met One Instruments’ E-Sampler & Particle Falls – Must See!

Latest News

Met One Instruments, Inc. has been informed by the United States Environmental Protection Agency (US-EPA) that it has successfully completed all work on the eFRM Sampler necessary to gain designation as a new Reference Method (FRM) for fine particulate matter (PM2.5). Read More

China Calibration Lab

Calibration Lab Opens in China!

Met One Instruments' BAM 1020 is the only beta gauge manufactured in the USA, with domestic sales, service, and technical assistance.

Met One Instruments Inc. is proud to announce that we are an ISO 9001:2008 certified company. We are pleased to continue offering our customers high quality instruments, systems and service.

Customer Satisfaction

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