Nitrogen generator with air compressor

  • Model: Nitroxychrom
  • Manufacturer: Chromatotec

Ultra High Purity nitrogen generator for BTEX, VOC, sulfur analyzers and others

Thanks to Nitroxychrom, there is no need for a heavy and regular replacement of gas cylinder.



Nitrogen is produced from air.

NITROXYCHROM employs Pressure Swing Absorption (PSA) technology with a stand-by system to produce small flows of very high purity nitrogen when it is needed.

The compressed air enters to the generator via a filter that removes contaminants and bulk moisture via an integrated auto drain. When the control system assesses that more nitrogen is required, the solenoid valves opens and the pressure is allowed to build up in the column containing Carbon Molecular Sieve CMS and a residue catcher.

This sieve absorbs the oxygen and leaves the dry nitrogen free to flow into the reservoir.

A heated catalyser is needed to eliminate the hydrocarbons down to ppt concentration level.

The flow and quality of Nitroxychrom are optimized for Chromatotec® applications, for auto GC 866.

Electronic pressure measurement of N2 displayed in Vistachrom (can be transferred by Modbus in option).


  • Light weight construction
  • Integrated Compressor: Nitroxychrom-C
  • Low power requirement
  • Easy Installation
  • No regular maintenance required
  • Over pressure security


Flow rate: • Flows up to 200 cc/min (300 cc/min in option for vigiENOSE or airTOXIC PURGE for example)
Purity: • Ultra High Purity to 99.9995%
• Ultra high quality for carrier gas for auto GC 866 and for dilution
Communication: • Pressure of the reservoir remotely available on Vistachrom for easy remote diagnosis
Power Supply: • 230 VAC 50 / 60 Hz or 110 / 115 VAC 50 / 60 Hz
Electrical consumption: • 150 W
Dimensions and weight: • Rack 19’’ – 4U
• Height: 177 mm (4U)
• Width: 482 mm (rack 19’’)
• Depth: 660 mm
• Net weight: 10 kg
To order: Model:
Nitrogen generator (4U) with air compressor XXX913-CS
Vertical configuration

Wall mounted box

Under request

Under request

Nitrogen generator – Nitroxychrom


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