Examination of Vapor-measuring Devices for Liquefied Petroleum Gas: A Manual for Weights and Measures Officials, Volume 13U.S. Department of Commerce, National Bureau of Standards, 1975 - 18 pages |
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Page 3
... THERMOMETER LIQUID THERMOMETER COUNTER BALANCE WHEEL GUIDE ROD -ROLLERS PROVER BELL -SCALE SCALE INDICATOR TO METER OUTLET VALVE -CIRCULAR SLIDE VALVE WEIGHTS H -TANK FIGURE 2. Exterior view of a conventional bell prover . surface is at ...
... THERMOMETER LIQUID THERMOMETER COUNTER BALANCE WHEEL GUIDE ROD -ROLLERS PROVER BELL -SCALE SCALE INDICATOR TO METER OUTLET VALVE -CIRCULAR SLIDE VALVE WEIGHTS H -TANK FIGURE 2. Exterior view of a conventional bell prover . surface is at ...
Page 6
... , guide rods , and thermometers that becomes immersed in liquid . T = Volume of liquid rise between main tank and the outside of the bell caused by metal in bell and scale . SCALE S 100 B -DPY WELL- ( a ) M 6 b "Strapping"
... , guide rods , and thermometers that becomes immersed in liquid . T = Volume of liquid rise between main tank and the outside of the bell caused by metal in bell and scale . SCALE S 100 B -DPY WELL- ( a ) M 6 b "Strapping"
Page 7
... thermometers , S , is equal to the volume of the liquid which rises be- tween the inside surface of the bell and inner tank , W , plus the volume of the liquid of which rises between the outside surface of the bell and the main tank , T ...
... thermometers , S , is equal to the volume of the liquid which rises be- tween the inside surface of the bell and inner tank , W , plus the volume of the liquid of which rises between the outside surface of the bell and the main tank , T ...
Page 10
... thermometers should be used for 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 ...
... thermometers should be used for 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 ...
Page 13
... thermometers or temperature units with the appropriate temperature correction or conversion factors . Install capacity flow rate cap at meter outlet . Position meter proving hand on upswing by opening prover outlet valve . When meter ...
... thermometers or temperature units with the appropriate temperature correction or conversion factors . Install capacity flow rate cap at meter outlet . Position meter proving hand on upswing by opening prover outlet valve . When meter ...
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Common terms and phrases
adapter fittings Altitude corrections factors atmospheric pressure automatic data processing average Bureau of Standards butane calibration capacity rate commercial Corrected Prover Volume correction factors metric counterweight cubic feet cubic foot bottle cubic foot standard cubic meter customary units cycloid Devices for Liquefied diameter differential pressure gage Error in Delivery Exterior view FIGURE Handbook leak liquefied petroleum gas LPG Vapor Meter measures officials metal meter outlet Meter Proving Circle meter under test metric units National Bureau position pressure drop prover bell prover oil prover outlet valve prover pressure Prover Reading prover room prover scale prover tank prover valve proving hand proving room psia Rate cap holder sample report form science and technology sealing liquid sealing medium Specific Gravity strapping technical temperature compensated meter Test data section test hand Test Report Form thermometers tion U.S. Government Printing vapor pressure Vapor-Measuring Devices Volume correction factors weights and measures