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.

Latest News

  • Unique Rain Alarm System Saves Contractor Time and Money

    Unique Rain Alarm System Saves Contractor Time and Money

    A construction contractor in the Northwest was working on a project in the mountains where a workday was determined by the amount of rainfall. Each day someone was sent to the site to determine if there had been too much rain over night or if it was currently raining. If [...]



    Construction site dust monitoring is part of Maricopa County’s particulate problem due to its high growth factor. Wherever construction takes place, the fence-line-monitor, E-Sampler, is what you need to monitor particulate at your work site. Portable, continuous and rugged, the E-Sampler is easy to set-up and maintain. Please call 541-471-7111 [...]

  • MOI Weather Station

    MOI Weather Station

    We are proud to show our visitors an example of a mobile station recently integrated in Medellin, Colombia by our distributor, SanAmbiente. The MOI Weather Station is mounted on the roof and the BAM 1020 is fully integrated with other analyzers in the interior cabin. For more information, on MOBILE [...]