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Dual mode leak detector

  • US 6,286,362 B1
  • Filed: 03/31/1999
  • Issued: 09/11/2001
  • Est. Priority Date: 03/31/1999
  • Status: Expired due to Fees
First Claim
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1. A leak detecting apparatus, comprising:

  • a manifold;

    a first pump in communication with the manifold, the first pump being configured to pump the manifold to a first pressure;

    a first gas detector for detecting a partial pressure of a first gas coupled to the manifold;

    a second pump in communication with the manifold, wherein the second pump is configured to pump the manifold to a second pressure, the second pressure being lower than the first pressure; and

    a second gas detector in communication with the second pump for detecting the partial pressures of a second gas coupled to the manifold.

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