NIR Liquid Transmission Cell

Pipe-Mounted NIR Liquid Process Cell


Process Cell for Liquid Transmission spectroscopy

Specac ProCell™ Cascade Process Cells are designed for the optical sampling of industrial process fluids in transmission mode using optical fiber interfaces. These rugged pipe-mounted liquid transmission cells enable the continuous in-situ monitoring of process streams by means of UV/Vis and NIR spectroscopy.

ProCell™ Cascade Process Cells are the ideal choice of transmission cell for installation in plant analyzer houses and enclosures, or for installation directly on the plant. The cell is easily trace-heated and insulated for use at elevated temperatures, and cleaning ports can be added to facilitate in-situ cleaning of the windows.

These transmission flow cells can operate at temperatures as high as 400°C (280°C as standard) and at pressures up to 1500 psi. A choice of body materials (including Stainless Steel 316L and Hastelloy® C276) and a range of window seal options (including diffusion bonded windows and perfluoroelastomer seals) are available to ensure material compatibility with a wide range of process fluids. Standard optical transmission pathlengths are available from 1 mm to 10 mm (in 1 mm steps), but higher pathlengths are available upon request. Optical fiber connectivity is ensured by industry standard SMA 905 connectors.

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Pipe-Mounted NIR Liquid Process Cell
  • Pipe-Mounted NIR Liquid Process Cell Submit a quote ticket for more information and to discuss your NIR needs. 533-291


  • Pipe-mounted fittings
  • UV/Vis and NIR operation
  • Optical fiber interfaces for 300 to 600 micron fiber
  • Choice of cell body and window seal options
  • Cleaning port option for in-situ servicing
  • Factory-aligned optics to ensure optimum stability and cell sensitivity