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!

• What is PM Coarse read more

• Met One Instruments' E-BAM monitoring the Arizona Wild Fires in real-time.

• NEW PRODUCT RELEASE MSO Weather Station

  New OEM Product Release: MET Station ONE - MSO-15 - is a rugged, reliable met station with the capability of monitoring wind speed, wind direction, relative humidity, temperature, and barometric pressure with RS232 and SDI-12 outputs to facilitate flexible data transfer.  The MSO-15 is perfect upgrade/enhancement to your future monitoring needs.   Please contact jpottberg@metone.com for further information and pricing. Read More

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.