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Vacuum extraction sampling system

  • US 5,637,809 A
  • Filed: 06/02/1995
  • Issued: 06/10/1997
  • Est. Priority Date: 11/12/1991
  • Status: Expired due to Fees
First Claim
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1. An apparatus for collecting a sample stream from a system containing water vapor and at least one other gas comprising:

  • a) a collection probe adapted to draw the sample stream from the system;

    b) a particulate filter connected to the collection probe so that the sample stream will flow therethrough;

    c) a conduit connected at one end to the particulate filter and suited for connection at another end to an analyzer, the conduit having an orifice sized to permit the sample stream to flow through the conduit at a sampling rate of from 5 cc. to 250 cc. per minute; and

    d) at least one pump connected to the conduit for drawing a vacuum on the sample stream.

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