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
... proving circle 13 FIGURE 10. A suggested LPG Vapor Meter Test Report Form FIGURE 11. Test data section of a sample report form ( customary ) ...... FIGURE 12. Test data section of a sample report form ( metric ) ... .. 15 16 17 Tables ...
... proving circle 13 FIGURE 10. A suggested LPG Vapor Meter Test Report Form FIGURE 11. Test data section of a sample report form ( customary ) ...... FIGURE 12. Test data section of a sample report form ( metric ) ... .. 15 16 17 Tables ...
Page 2
... proving circles in which one revolution of the test hand repre- sents 1/2 , 1 , 2 , 5 , or 10 cu ft , or 0.025 , 0.05 , 0.1 , 0.2 , or 0.25 cu m , depending on meter size . Where two proving circles are present , the circle representing ...
... proving circles in which one revolution of the test hand repre- sents 1/2 , 1 , 2 , 5 , or 10 cu ft , or 0.025 , 0.05 , 0.1 , 0.2 , or 0.25 cu m , depending on meter size . Where two proving circles are present , the circle representing ...
Page 3
... circle of the index of the meter ( see fig . 9 ) . Prover scales have generally been in whole and decimal units of ... proving , that is , with the provers loaded to a pressure about 1.5 in of water above atmos- pheric pressure . To ...
... circle of the index of the meter ( see fig . 9 ) . Prover scales have generally been in whole and decimal units of ... proving , that is , with the provers loaded to a pressure about 1.5 in of water above atmos- pheric pressure . To ...
Page 12
... Proving Circle Remarks FIGURE. 5.3 . Temperature Compensator If the meter is equipped with an automatic temperature compensator the volume of air metered by the device is automatically corrected to the volume at 60 ° F ( 15.5 ° C ) ...
... Proving Circle Remarks FIGURE. 5.3 . Temperature Compensator If the meter is equipped with an automatic temperature compensator the volume of air metered by the device is automatically corrected to the volume at 60 ° F ( 15.5 ° C ) ...
Page 13
... proving circle ( Fig . 9 ) . At the same time determine if a volume corresponding to that marked on the proving circle passes through the meter for one revolution of the test hand . If the readings do not correspond the index should be ...
... proving circle ( Fig . 9 ) . At the same time determine if a volume corresponding to that marked on the proving circle passes through the meter for one revolution of the test hand . If the readings do not correspond the index should be ...
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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