CS1200E – 被动罐采样器 | 39-CS1200Ex

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CS1200E – 被动罐采样器

CS1200E Passive Canister Sampler

Low Level TO-15 monitoring requires consistent analyte recovery while collecting the maximum sample volume possible to support larger preconcentration volumes or repeat analyses from the same canister. The CS1200E will reliably fill canisters at a constant rate with better demonstrated recovery of TO-15 compounds than any other sampler. (See App. Note 2014-05)

Untreated 300 series stainless steel is 67-70% iron, which is very reactive toward many TO-15 compounds. In addition, untreated stainless tubing has an internal oxide layer that readily adsorbs polar and heavier VOCs. The standard CS1200E inlet now comes internally polished,passivated, and Silonite coated to insure maximum recovery of all target compounds – virtually eliminating losses and carryover. The Silonite coated filter is placed on the inlet to completely eliminate dust and particulate intrusion during sampling. The rain guard is capped to avoid contamination during shipping.

Time-weighted average VOC concentrations can be determined by sampling into canisters at a constant flow rate. Canisters can be filled to nearly atmospheric pressure using an ultra clean,mechanical flow controller. Sapphire orices combined with pressure regulation offer superior flow stability when compared to needle valve or frit regulated controllers. Dierent orices are available to fill a 6L canister over 1, 3, 8 or 24 hours, or even a full week. Part numbers for CS1200E flow controllers are separated by flow range. One flow range can be changed to another by attaching the appropriate critical orice (Codes 1 - 5, see table below for flow rates). Silonite coated flow controllers are designated with an “S” following the part number.

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