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Multi-Purpose 
Teflon 
Long-Path Gas Cell 

Flow Cells for Bypass Loops and Slip Streams

We use "flow cell" to mean a non-movable optical sampling device that is installed in a slip stream or bypass loop where liquid or gas samples are diverted from the main process system and through the cell.

Advantages:

• Fixed in position, incuding fiber cables, flow cell and process piping
• Clean port for cleaning optics
• Isolated from the process in the event of a failure

Disadvantages:

• Lag time
  
• Cost associated with side stream, pumps, etc.
• Samples may require heating for transport
• May not be as representative of a sample as direct insertion

	Multi-Purpose Flow Cells with optical paths from 2 to 20 mm, o-ring seals, sapphire windows for temperatures up to 200 ºC and pressures to 500 p.s.i.
	Teflon Flow Cell for aggressive chemistries with optical paths from 2 to 20 mm, teflon o-ring seals, sapphire windows for temperatures up to 150 ºC and pressures to 100 p.s.i.
	Flow cell for gases with long optical paths up to 1 meter. Sapphire windows, o-ring sealed, 316L SS, Hasteloy C-276 or other metals, temperatures to 200 ºC and pressures to 500 p.s.i.