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 2
... meter ( derived from cubic foot stand- ard ) . ft3 / h . Cubic feet per hour . gage pressure . Pressure measured ... indicator . The test hand or pointer of the proving or leak - test circle on the meter register or index used for testing the ...
... meter ( derived from cubic foot stand- ard ) . ft3 / h . Cubic feet per hour . gage pressure . Pressure measured ... indicator . The test hand or pointer of the proving or leak - test circle on the meter register or index used for testing the ...
Page 3
... meter for use in testing for leaks in the meter or connections to the meter . Prover tanks are usually constructed ... INDICATOR CIRCULAR SLIDE VALVE TANK FIGURE 2. Exterior view of a conventional bell prover . surface is at the ...
... meter for use in testing for leaks in the meter or connections to the meter . Prover tanks are usually constructed ... INDICATOR CIRCULAR SLIDE VALVE TANK FIGURE 2. Exterior view of a conventional bell prover . surface is at the ...
Page 4
... indication in a 10 - minute period , determine the cause and make the necessary corrections prior to resumption of ... meter prover may be compared with greater accuracy than when water is used , and with much less trouble . Also , the errors ...
... indication in a 10 - minute period , determine the cause and make the necessary corrections prior to resumption of ... meter prover may be compared with greater accuracy than when water is used , and with much less trouble . Also , the errors ...
Page 10
... meter will remain as nearly as possible in the same condition as it was when in service , meter screw caps should be ... indication of a leak in the con- nections or in the meter . The leak should be located and eliminated . Soap suds or ...
... meter will remain as nearly as possible in the same condition as it was when in service , meter screw caps should be ... indication of a leak in the con- nections or in the meter . The leak should be located and eliminated . Soap suds or ...
Page 14
... meter proving circle . Step . 5. If the meter is a temperature compensated meter , correct the prover volume to 60 ... Indication Meter Indication Error in Indication ( % ) = Meter Indication - Corrected Prover Volume × 100 × 100 ...
... meter proving circle . Step . 5. If the meter is a temperature compensated meter , correct the prover volume to 60 ... Indication Meter Indication Error in Indication ( % ) = Meter Indication - Corrected Prover Volume × 100 × 100 ...
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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