GOW-MAC Instrument Co. (Bethlehem, PA USA) is a leading manufacturer of high performance analytical instruments. Our gas chromatographs (GCs), gas analyzer packages and specialty gas handling equipment are used throughout the world by a wide variety of customers and are engineered for user-specified applications in chemical analysis, industrial gas, laboratory, and educational applications. GOW-MAC's line of instruments includes GCs and detectors, gas analyzers, trace gas analyzers, gas leak detectors, total hydrocarbon gas analyzers, aromatic hydrocarbon analyzers, moisture analyzers, and specialty gas handling systems for either inert or corrosive samples.