On Site Gas manufactures laboratory nitrogen generators for every application. We have a full line of high-efficiency compact nitrogen generators for LCMS at 99-99.5% purity at flows from 3 to 500 LPM. We also produce a low-flow, high-purity nitrogen generation system for gas chromatography work that produces N₂ at a purity of up to 99.9995% (5 ppm O2).

Recommended Nitrogen Systems for Laboratory N2

Nitrogen Cylinder Filling
Nitrogen cylinder filling stations can be easily incorporated into any nitrogen generator system. We offer a convenient and reliable way to fill your own cylinders for a fraction of the cost of bottled-gas purchase and delivery.

Nitrogen Membrane Generator
The nitrogen membrane generator is a complete turnkey system. It arrives at your location designed and built to your specifications and you put it online.

PSA Nitrogen Generator
On Site’s PSA nitrogen generator technology assures quick returns on your investment and stable year-to-year gas costs.

Required Gas: Nitrogen
Purity Range: 95 – 99.999%