System and method for generating a gas sample of known and adjustable relative humidity

System and method for generating a gas sample of known and adjustable relative humidity

  • CN 101,226,128 B
  • Filed: 12/14/2007
  • Issued: 02/13/2013
  • Est. Priority Date: 12/15/2006
  • Status: Active Grant
First Claim
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1. one kind provides the system with adjustable known humidity gas flow, comprising:

  • (a) have the gas source of initial relative humidity,(b) service that is communicated with the gas source fluid, it is used for gas from the gas source point of destination that leads, and described point of destination comprises the test cabinet of testing tool, and service comprises;

    (i) wet channel, it is used for and will be arrived than the first known relative humidity of prima facies to high humidity by humidification through described wet channel from the gas of gas source,(ii) dry passage, it is used for and will be maintained at initial relative humidity through dry passage from the gas of gas source, and(iii) be in the joint of wet channel and dry passage downstream and point of destination upstream, converged at described joint place before supplying to point of destination through the gas of wet channel and dry passage, and(c) at least one valve that is communicated with the service fluid is used for mutually making the gas from gas source to flow along wet channel or dry passage with repelling,(d) thus (i) only flows gas along wet channel, gas with first known relative humidity is provided for point of destination, (ii) gas is only flowed along dry passage, gas with initial relative humidity is provided for point of destination, (iii) circulation makes the gas alternating current through wet channel and dry passage according to predetermined work, and the gas with the known relative humidity between initial relative humidity and the first relative humidity is provided for point of destination.

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