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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Page 2
... determining the relation between displaced volume and linear movement of a bell prover by means of measuring scale length , bell circum- ference and displacement of the sealing liquid . vapor - measuring device ( liquefied petroleum gas ) ...
... determining the relation between displaced volume and linear movement of a bell prover by means of measuring scale length , bell circum- ference and displacement of the sealing liquid . vapor - measuring device ( liquefied petroleum gas ) ...
Page 4
... determine the cause and make the necessary corrections prior to resumption of testing . A more comprehensive leak test may be initiated in the same manner as the above procedure by permitting the bell to remain in this position for a ...
... determine the cause and make the necessary corrections prior to resumption of testing . A more comprehensive leak test may be initiated in the same manner as the above procedure by permitting the bell to remain in this position for a ...
Page 6
... determined by the calibration . This procedure is repeated to measure successive cubic - foot incre- ments until the entire range of the prover has been tested . Frequently another device is used in place of the bottle called a ...
... determined by the calibration . This procedure is repeated to measure successive cubic - foot incre- ments until the entire range of the prover has been tested . Frequently another device is used in place of the bottle called a ...
Page 7
... determined by measuring the circumference with a steel tape capable of being read to the nearest 0.01 in . Calculate the diameter by dividing the average circumference by 3.1416 then subtracting the thickness of the tape . ) The surface ...
... determined by measuring the circumference with a steel tape capable of being read to the nearest 0.01 in . Calculate the diameter by dividing the average circumference by 3.1416 then subtracting the thickness of the tape . ) The surface ...
Page 10
... determining the temperatures of the air and of the sealing oil . These thermometers should be checked against each other routinely to determine that their readings do not differ more than one degree through a range from 60 ° F to 100 ...
... determining the temperatures of the air and of the sealing oil . These thermometers should be checked against each other routinely to determine that their readings do not differ more than one degree through a range from 60 ° F to 100 ...
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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