The Collecting Cone is only for use when monitoring lighter-than-air gases. 
Itsshapeisdesignedto:
 • increasethecollectionareaforlighterthanairgases
 • allowthegasestoescapesothatthetimetoclearanalarmisnot 
  excessively prolonged.
 • tagainstawallorotheratsurface
Conforms to CSA C22.2 No. 152whenttedtotheCertiedSensor
withspeciccartridgesinstalled.
Seespecicationsfordetails.
TheCollectingConeisattachedtothesensorbymeansofabayonettting.
Insidetheconeisa1/4in.O/Dnozzlethatcanacceptatubeandwhichprovidesameanstodirectly
injectgastothefrontofthesensorforgasresponsechecking.Therecommendedowratefor
response checks is 1 litre per minute.
Accuracy of reading is not guaranteed.
Note:  Do not carry out response checks at wind speeds greater than 10m/s (22mph).