AMETEK MOCON, maker of Baseline® gas analyzers and photoionization sensors, provides environmental measurement gas analyzers ideal for toxic workplace gas and indoor air quality monitoring, environmental source monitoring and ambient air networks. Our GCs, continuous monitors, and portable instruments measure total volatile organic compounds (TVOCs), BTEX, total hydrocarbons, methane/non-methane, EtO, acrylonitrile, naphthalene, diacetyl, and more. Also, available is the VOC-TRAQ®, a hand held USB toxic gas monitor, as well as a complete line of OEM piD-TECH® photoionization sensors.

Company details

19661 US Highway 36, PO Box 649 , Lyons , CO 80540 USA


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Business Type:
Industry Type:
Air Monitoring and Testing
Market Focus:
Globally (various continents)
Year Founded:

Baseline was first established in 1969 as Baseline Industries Inc. Baseline is known as an industry leader in the development and manufacture of gas sensors. Acquired by MOCON, Inc. in 2001 and then by AMETEK, Inc. in 2017, AMETEK MOCON manufactures and markets the full line of Baseline® advanced gas monitoring instrumentation.

MOCON's Baseline® analyzers employ several principals of gas analysis including gas chromatography, continuous monitors and portable instruments. The product line also includes a variety of complimentary products such as multipoint samplers, calibration systems, sample conditioners, support gas generators, and data acquisition systems. Designed for optimum reliability, compactness, and operational simplicity, MOCON's Baseline® products meet the growing demand for accurate low-level instrumentation.

AMETEK MOCON's Baseline® Engineering Services group includes engineering, applications, and software specialists with extensive experience with gas monitoring systems to provide a total system solution for virtually any application. The Engineering Services group specializes in the manufacture of scalable, customized monitoring solutions, built to your specification. The considerable talents of this group combined with the modular design of the product line make MOCON's Baseline® product line a leader in the development and deployment of custom solutions for in situ or portable applications.

  • Environmental Monitoring
  • Toxic Gas Monitoring
  • Ethanol Processing 
  • Specialty & Industrial Gas Analyzers
  • Beverage Gas Analyzers 
  • Well Logging & Biofuel Analysis