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

New Products Meeting

June 21, 2015 in Raleigh (site of AMWA meeting)
RSVP to for invitation

BAM 1022 Particle Counter The BAM-1022 is an in-line, continuous beta attenuation mass monitor designed to operate under a wide range of ambient conditions. The BAM-1022 is integrated into its own lightweight weatherproof enclosure for quick set up and maximum siting flexibility. Read More

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

If inclined, please complete our customer satisfaction survey.