Suction sniffer is smelt according to reference measure principle

Suction sniffer is smelt according to reference measure principle

  • CN 101,939,628 B
  • Filed: 02/06/2009
  • Issued: 08/05/2015
  • Est. Priority Date: 02/08/2008
  • Status: Active Grant
First Claim
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1. smell a suction sniffer according to reference measure principle, comprising:

  • Elementary cell, described elementary cell comprises vacuum pump apparatus,Described suction sniffer of smelling also comprises;

    Have to smell and inhale most advanced and sophisticated handle, described handle is connected to described elementary cell by flexible pipe;

    For sucking the measurement gas suction opening of measurement gas;

    For sucking the reference gas suction opening of reference gas;

    AndFor determining the gas analyzer of the concentration of described measurement gas and described reference gas,Wherein, described smelling inhales the plane of described measurement gas suction opening on tip and the plane of described reference gas suction opening is arranged to substantially parallel to each other, make them have to be to the maximum the angular displacement of 15 angles, wherein, described reference gas suction opening is disposed in the concave position place relative to described measurement gas suction opening, described reference gas suction opening is disposed in around described measurement gas suction opening, and/or described reference gas suction opening comprises multiple access portal, described multiple access portal forms the ring around described measurement gas suction opening, make these two suction openings will from same direction suction gas.

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