AGA XQ0278 Ed. REPRINT (1999)

AGA XQ0278 Ed. REPRINT (1999) Gas Measurement Manuals - Part 12: Meter Proving; And Part 13: Distribution Meter Data Available as a single document. Specifies bell provers, transfer testing and field-testing of meters. Also covers in-service performance, meter test programs and meter records.

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Table of Contents

SECTION12.1-BELLPROVERS
GeneralDescription
LocationOfTheBellProver
ProvingRoomSpecifications
SettingUpBellProver
BalancingProver
ComparisonOfPressureAndVacuumProving
AutomaticBellProvers
FullyAutomaticProverSequence
SemiautomaticProverSequence
TestingProverForLeaks
CareofProver
ImmersionTypeCubicFootBottle
BottlingIntoTheProver
BottlingOutOfTheProver
VolumeOfProversByMeasurement
CalibrationOfPistonProver
UseOfOilInProvers
ProverFineReader
ShadowProverLight
PortableCubicFootStandard
References
SECTION12.2-TRANSFERTESTING
INTRODUCTIONTOTRANSFERTESTING
MATHEMATICALEXPRESSIONS
SimplifiedSchematicDiagram
TypicalSystem
TESTTECHNIQUES
VacuumTestUtilizingAir
PressureTestingWithGas
TransferProvers-OperatingTwoInParallel
TransferProverTestProcedureTP-4andTP-9Turbine
Meters
TestingTemperatureCompensatedMeters
SIZESOFTRANSFERPROVERS
Roots1.5MRotaryTransferProver
RootsModelM3RotaryTransferProver
American12MTransferProver
RockwellR8RotaryTransferProver
RockwellTurboTransferProver
American20MTransferProver
American40MTransferProver
Roots80MTransferProver
ECONOMICS
ADVANTAGES
DISADVANTAGES
SAFETYPRECAUTIONS
MAINTENANCEANDCALIBRATION
APPENDIXA
APPENDIXB
SECTION12.3-FIELDTESTING
INTRODUCTION
Precautions
LOWPRESSUREFLOWPROVING
Equipment
Precautions-VariousLowPressureFlowProvers
MethodsofLowPressureFlowProving
Procedures-LowPressureFlowProvingwithGas,
VariableDifferentialMethod
Procedures-LowPressureFlowProvingwithAir
Procedures-LowPressureFlowProving-Predetermined
DifferentialMethod
LowPressureFlowProving-Vacuum
Precautions-VacuumProving
FlowProving-TemperatureCompensatedMeters
CRITICALFLOWPROVING
SONICFLOWNOZZLEPROVING
CalibrationAccuracy
PressureRecovery
DurabilityofNozzles
Noise
GeneralInstructionsforSonicNozzleTesting
SonicNozzleFlowTestSetup
CalculationsofMeterProof,TestPressures500PSIG
CalculationsofMeterProof,TestPressuresAbove500
PSIG
SonicNozzleVacuumProving
SonicNozzleProver-FlowRates
DIFFERENTIALTESTING-ROTARYMETERS
Equipment
DifferentialTestProcedure
SPINTESTINGTURBINEMETERS
TRANSFERTESTING
REFERENCES
DISTRIBUTIONMETERINGDATA
SECTION13.1-IN-SERVICEPERFORMANCEANDMETERTEST
PROGRAMS
INTRODUCTION
OBJECTIVESOFTESTPROGRAMS
TYPESOFTESTPROGRAMS
STATISTICALSAMPLING
VARIABLEINTERVAL
PERIODICINTERVAL
MILEAGE
ADVANTAGESANDDISADVANTAGESOFTESTPROGRAMS
ACCELERATEDLIFETESTING
TestSample
TestMedium
TestConditions
InspectionInterval
TestDuration
REFERENCES
SECTION13.2-METERRECORDS
Introduction
TypeofRecord
RetainedData
UpdatingRecords
RecordsAnalysis
StorageofRecords
AppendixA
AppendixB
AppendixC

Abstract

Available as a single document. Specifies bell provers, transfer testing and field-testing of meters. Also covers in-service performance, meter test programs and meter records.

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