Versatile, Reliable and Dependable Custom Solutions for Gas Analysis

GOW-MAC Instrument Company

Gas Analysis Solutions since 1935


Our line of gas analysis solutions is extensive. Depending on the targeted application, GOW-MAC gas chromatographs and gas analyzers may use TCD, PID, FID, FPD, HFADD, colorimetric, or electro-optical detection to provide solutions for a wide range of applications.


Since the early days, GCs and gas analyzers bearing the GOW-MAC name have been produced and shipped to nearly every country worldwide.


GOW-MAC Instrument Co. is committed to providing quality products and services that meet our customer’s specifications. We will meet these objectives by continually improving our management systems and processes.


Featured instruments

GOW-MAC Instrument Co. has been, and continues to be, a leading manufacturer of high performance gas analytical instruments engineered for anyone involved with the detection, analysis, and production.


GOW-MAC Thermal Conductivity-based Gas Analyzers are used to measure and monitor binary gas streams. 


Each Series 5900 GC is custom built to a particular application. Contact us to discuss the details or your specific requirements.

“For close to 30 years, I have used GOW-MAC GC’s for the measurement of ppm levels of impurities in gaseous helium. All of the analyzers have been extremely accurate and reliable.The few times that I have required technical help, the assistance has been timely and helpful. I highly recommend GOW-MAC analyzers for this application.”

Herb R. - IACX Energy

“GOW-MAC is the first company I think of any and all of my specialty gas analysis or detection needs!”

Bruce H. – Minneapolis Oxygen

"It has been my experience that Gow-Mac maintains the availability of their repair parts much longer than most GC manufacturers. This is a huge benefit to organizations that have a very limited budget for equipment replacement."

Phil B - California State University



April 21, 2020

Applies to all Universities, Colleges, High Schools, and Institutions of Higher Learning. GOW-MAC understands that during this Covid-19 crisis school budgets are being stretched to the limit. In order to help, we are offering a 10% discount on the Series 400 and Series 580 Gas Chromatographs, Clarity Data Acquisition Software, Instrument Accessories and Leak Detectors.…

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Telephone: 610-954-9000