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 13
... Step 3. Fill the prover bell and carefully adjust the zero scale reading by means of the prover slide - valve . Step 4. Open the prover outlet valve and pass a sufficient volume from the prover through the meter to cause the proving ...
... Step 3. Fill the prover bell and carefully adjust the zero scale reading by means of the prover slide - valve . Step 4. Open the prover outlet valve and pass a sufficient volume from the prover through the meter to cause the proving ...
Page 14
... Step . 5. If the meter is a temperature compensated meter , correct the prover volume to 60 ° F , using the following formula : Prover Reading Corrected to 60 ° F = Prover Reading X Volume Correction Factor for Prover Air Temperature ...
... Step . 5. If the meter is a temperature compensated meter , correct the prover volume to 60 ° F , using the following formula : Prover Reading Corrected to 60 ° F = Prover Reading X Volume Correction Factor for Prover Air Temperature ...
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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