Most of the components we supply to the instrumentation industry are from our valve and fitting lines. The rest, from our R&D 100 Award-winning pulsed discharge detectors to our application-dedicated trace gas analyzers, are primarily for gas detection and purification.

Pulsed discharge detectors

VICI PDDs utilize a stable, low powered, pulsed DC discharge in helium as an ionization source.

General information on PDDs

Dual mode, universal detector system
    • Model D-2
Plug-and-play detectors for Agilent 6890
    • Model D-3 – helium photoionization
    • Model D-5 – electron capture
Plug-and-play detectors for other GCs
    • Model D-4 – helium photoionization
    • Model D-6 – electron capture
Chromatograms

Trace gas analyzers

The Trace Gas Analyzer (TGA) is a complete chromatographic system dedicated to the analysis of trace level (ppb to low ppm) impurities in fixed gases.
• Standard TGA
• Integrated TGA
• Chromatograms

Microvolume thermal conductivity detector

• Product information

Valco helium and nitrogen purifiers

Our heated helium purifier provides point-of-use purification of helium or other noble gases, such as Ar, Ne, Kr, and Xe, to sub-ppm levels of reactive gaseous impurities, removing even nitrogen and methane. The nitrogen purifier is similar, purifying nitrogen to sub-ppm levels of gaseous impurities. The miniature version of each purifier is designed to be installed in a GC’s flow path immediately upstream of the injector.
   • Standard purifiers
   • Miniature purifiers