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 |
From inside the book
Results 6-8 of 8
Page 9
... cause erratic results of greater magni- tude than would be encountered if the tempera- ture were allowed to drift throughout the day- but with lesser momentary temperature discre- pancies at vital points . Specifications for the air ...
... cause erratic results of greater magni- tude than would be encountered if the tempera- ture were allowed to drift throughout the day- but with lesser momentary temperature discre- pancies at vital points . Specifications for the air ...
Page 11
... cause of this may be the evaporation of condensates that might be inside of the meter , or , in the case of leather diaphragms , it might be from a stiffening of the leather upon the release of condensates which previously saturated the ...
... cause of this may be the evaporation of condensates that might be inside of the meter , or , in the case of leather diaphragms , it might be from a stiffening of the leather upon the release of condensates which previously saturated the ...
Page 13
... cause the proving hand to make at least one full revolution . The test draft should not be less than 2 cu ft or 0.05 cu m . Exercise care to insure that the proving hand is stopped exactly over the mark from which it started at the ...
... cause the proving hand to make at least one full revolution . The test draft should not be less than 2 cu ft or 0.05 cu m . Exercise care to insure that the proving hand is stopped exactly over the mark from which it started at the ...
Other editions - View all
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 counterweight cubic feet cubic foot bottle cubic foot standard cubic meter customary units cycloid Devices for Liquefied diameter differential pressure gage displaced Error in Delivery Examination of Vapor-Measuring Exterior view FIGURE leak liquefied petroleum gas LPG Vapor Meter measures officials Measuring Devices metal meter outlet Meter Proving Circle meter under test metric units National Bureau Office position pressure drop prover bell prover oil prover outlet valve prover pressure prover room prover scale prover tank prover valve proving hand proving room psia Rate cap holder sample report form sealing liquid sealing medium strapping technical temperature compensated meter Test data section test hand Test Report Form testing apparatus thermometers U.S. DEPARTMENT UNIVERSITY OF MICHIGAN Vapor-Measuring Devices Volume correction factors weights and measures