Calibration of Tank scope. Learn, How to do calibration of Tank Scope to check cargo tank atmosphere

Tank scope is a very important item on board crude tanker, product tanker and chemical tanker to check the tank atmosphere for checking the HC in % volume inside the tank. During gas freeing when the percent of HC is less then 1 % the an LEL meter is used to check the flammable mixture in % LEL.
Calibration of Tank scope. Learn, How to do calibration of Tank Scope to check cargo tank atmosphere
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