• Real-Time Gas Analyzers for Research and Industry

    Experts in Quadrupole Mass Spectrometry for Gas and Ion Analysis dedicated to providing precise, stable, durable, and low-maintenance solutions.

  • COVID-19 Update

    Even through these uncertain times, we are here to support you and your analytical measurement needs. We have imposed health and safety policies, and protocol to limit the potential spread of infection.  

  • Discover the Real Advantage

    With our mass spectrometers and laboratory gas analyzers, gas analysis has never been easier, more reliable or more efficient.  We have a low maintenance solution fit for your application and business.



    Utilizes quadrupole mass spectrometer technology to quantify bioreactor gases from multiple reactors within a facility and reports the data to the control system in real-time.



    Uses quadrupole mass spectrometer technology to deliver continuous online gas monitoring for industrial process control. Perfect for flare gas applications.

Leaders in Mass Spectrometers 

Extrel, a Process Insights Brand, is the premiere supplier of real-time gas analyzers for process control, environmental monitoring, and cutting-edge laboratory research.

Founded in 1964, Extrel has focused exclusively on perfecting the use of quadrupole mass spectrometers for gas and ion analysis, resulting in a set of products known for affordability, exceptional performance, durability and ease-of-use.


As the worldwide leader in quadrupole mass spectrometer products for process and laboratory applications, Extrel solutions and systems are used in a wide variety of markets.


Extrel develops real-time gas analyzers that are versatile in to meet the demands of different applications and industries. 

Our Solutions

  • Extrel Gas Analyzer MAX300-RTG

    Gas Analysis Systems

    MAX300-RTG uses cutting edge quadrupole mass spectrometer technology to deliver continuous online composition monitoring of industrial gas streams. Rapid, accurate gas analysis enables high-precision reactor control and increased production efficiency.

  • Custom Gas Systems and Components

    Extrel provides custom systems incorporating quadrupole mass spectrometers, and residual gas analyzers to ionizers, ion optics, quadrupole mass filters, and more.



    Extrel CMS


    575 Epsilon Drive
    Pittsburgh, PA 15238

    P: +1 412 9637530

    Process Insights

    Corporate Offices

    5710 W. Gate City Blvd, Suite K #185
    Greensboro, NC 27407 USA

    Process Insights

    EMEA Region

    Lyoner Straße 15
    60528 Frankfurt, Germany

    P: +49 69 20436910

    Process Insights

    Greater China Region

    No. 258 Yi He Road
    Wujiang Economic and Technology Development Zone
    215200 Suzhou, Jiangsu Province, China

    P: +86 400 0860106

    Questions? We’re here to help.

    Extrel CMS, LLC 
    575 Epsilon Drive
    Pittsburgh, PA 15238