Proton OnSite

Wallingford,  CT 
United States
  • Booth: 1136

Proton OnSite is the world’s leading supplier of on-site gas generators for laboratories. Proton OnSite offers safe, affordable and high-performance solutions for on-site hydrogen, nitrogen, and zero air generation. Proton’s units are manufactured in a wide range of space saving stackable systems. For more information visit


  • Proton OnSite Hydrogen Lab Server
    Introducing the Proton OnSite Lab Server the only lab purity hydrogen generator that can meet the needs of all your GC equipment. Large GC testing labs can now utilize a centralized hydrogen generator to supply all their instruments....

  • The G4800 and S Series generators are laboratory sized hydrogen generators designed for use with multiple GC and GC-MS instruments. These generators utilizes PEM technology to produce high purity hydrogen consistently on-site. They are  capable of handling all gas chromatography requirements for labs with 10 to 120 GC-MS instruments, or 50 to 240 FID

    G4800 S20 S40
    Flow Rate (SLPM) 4.8 9.4 18.8
    Purity 99.9999+% 99.9995%
    Output Pressure 0 to 200 psig (0 to 13.8 barg)
    with optional regulator

    We pioneered Proton Exchange Membrane Technology for mission critical applications for militaries, NASA and industrial applications. On-site gas generators from Proton OnSite feature a proven track record of reliability, safety, and convenience. We also offer benchtop laboratory hydrogen and nitrogen generators. To learn more visit our booth at ACS Spring, or on the web at

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