Examination of Vapor-measuring Devices for Liquefied Petroleum Gas: A Manual for Weights and Measures Officials, Issue 117U.S. Department of Commerce, National Bureau of Standards, 1975 - 18 pages |
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Results 1-4 of 4
Page 1
... lower end and so supported that it may be easily raised or low- ered in a tank which contains a sealing medium . With the level of the sealing medium properly adjusted , the bottle , when lowered , will displace exactly 1 cubic foot of ...
... lower end and so supported that it may be easily raised or low- ered in a tank which contains a sealing medium . With the level of the sealing medium properly adjusted , the bottle , when lowered , will displace exactly 1 cubic foot of ...
Page 5
... lower neck and may be lowered into a tank of sealing liquid , similar to prover oil . As the liquid enters at the bottom and fills the interior up to a graduation mark on the gage glass in the upper neck . 1 cu ft of air is displaced ...
... lower neck and may be lowered into a tank of sealing liquid , similar to prover oil . As the liquid enters at the bottom and fills the interior up to a graduation mark on the gage glass in the upper neck . 1 cu ft of air is displaced ...
Page 10
... lower pressure to proving room temperature . Drawing air from the prover room does not insure that the air will be at prover room temperatures . 5.2 . Test Preparation To be assured that the meter will remain as nearly as possible in ...
... lower pressure to proving room temperature . Drawing air from the prover room does not insure that the air will be at prover room temperatures . 5.2 . Test Preparation To be assured that the meter will remain as nearly as possible in ...
Page 11
... lower proof than was indicated by the first tests . The difference between successive tests may be as much as several percent . The cause of this may be the evaporation of condensates that might be inside of the meter , or , in the case ...
... lower proof than was indicated by the first tests . The difference between successive tests may be as much as several percent . The cause of this may be the evaporation of condensates that might be inside of the meter , or , in the case ...
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Common terms and phrases
adapter fittings Altitude corrections factors atmospheric pressure automatic data processing Bureau of Standards butane calibration capacity rate commercial Corrected Prover Volume Corrected to 60 correction factors metric cubic feet cubic foot bottle cubic foot standard cubic meter customary units cycloid Devices for Liquefied diameter differential pressure gage Error in Delivery Examination of Vapor-Measuring Exterior view FIGURE Indication Meter Indication leak liquefied petroleum gas LPG Vapor Meter measures officials Measuring Devices metal Meter Indication Meter Meter Proving Circle meter under test metric units National Bureau Office orifice plate portable cubic foot position pressure drop prover bell prover oil prover outlet valve prover pressure prover room prover scale prover tank prover valve proving room psia Rate cap holder sample report form sealing liquid sealing medium Specific Gravity strapping temperature compensated meter Test data section test hand Test Report Form thermometers U.S. DEPARTMENT U.S. Government Printing Vapor-Measuring Devices weights and measures