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
... Hand- book 45 , Testing of Measuring Equipment . Each of the several types of measuring devices is being considered separately in acknowledgment of the increasing specialization in weights and measures supervision , the rapidly ...
... Hand- book 45 , Testing of Measuring Equipment . Each of the several types of measuring devices is being considered separately in acknowledgment of the increasing specialization in weights and measures supervision , the rapidly ...
Page 2
... 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 the smallest volume per revolution is referred to ...
... 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 the smallest volume per revolution is referred to ...
Page 4
... hand , some possible disadvantages , none of which appear seri- ous . The oil slightly increases the risk of fire , and oil may adhere to the bell and form a temporary film , changing the proof of the bell . However , the proper ...
... hand , some possible disadvantages , none of which appear seri- ous . The oil slightly increases the risk of fire , and oil may adhere to the bell and form a temporary film , changing the proof of the bell . However , the proper ...
Page 6
... hand- book . Complete detailed instructions on this tradi tional and widely used procedure are given in pub- lications [ 3 ] and [ 7 ] in this list of references . b . Strapping The procedure of " strapping " is illustrated by figures ...
... hand- book . Complete detailed instructions on this tradi tional and widely used procedure are given in pub- lications [ 3 ] and [ 7 ] in this list of references . b . Strapping The procedure of " strapping " is illustrated by figures ...
Page 10
... hand over the meter outlet and then close the valve . Watch for a drop in pressure in the U - gage connected to the prover connection . If there is any drop , it is an indication of a leak in the con- nections or in the meter . The leak ...
... hand over the meter outlet and then close the valve . Watch for a drop in pressure in the U - gage connected to the prover connection . If there is any drop , it is an indication of a leak in the con- nections or in the meter . The leak ...
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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 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