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 4
... period , 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 ...
... period , 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 ...
Page 5
... period [ 5 ] . a . Cubic Foot Bottle A cubic foot bottle such as would be used for bottling a prover is illustrated in figure 4. The nickel or chromium - plated copper bottle is open at the end of the lower neck and may be lowered into ...
... period [ 5 ] . a . Cubic Foot Bottle A cubic foot bottle such as would be used for bottling a prover is illustrated in figure 4. The nickel or chromium - plated copper bottle is open at the end of the lower neck and may be lowered into ...
Page 6
... period of several hours is sometimes required for the temperature of the standard to stabilize and become equal to that of the prover to be tested . Because of its portability and its relatively small size compared to a bottle in an ...
... period of several hours is sometimes required for the temperature of the standard to stabilize and become equal to that of the prover to be tested . Because of its portability and its relatively small size compared to a bottle in an ...
Page 9
... period of 24 hours , since it is essential that the prover and the meters to be tested be as near the same temperature as possible . A difference of 5 ° F between the temperature of the prover and the temperature of the meters under ...
... period of 24 hours , since it is essential that the prover and the meters to be tested be as near the same temperature as possible . A difference of 5 ° F between the temperature of the prover and the temperature of the meters under ...
Page 10
... period of at least 16 hours with caps removed to acquire the temperature of the surrounding atmosphere . Meters before being tested should be kept off the floor and distributed so as to allow to provide good air circula- tion and ...
... period of at least 16 hours with caps removed to acquire the temperature of the surrounding atmosphere . Meters before being tested should be kept off the floor and distributed so as to allow to provide good air circula- tion and ...
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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