DH Instruments FPG8601, Руководство по эксплуатации и обслуживанию

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FPG8601™/VLPC™ OPERATION AND MAINTENANCE MANUAL
© 2007 DH Instruments, a Fluke Company Page VI
8 . G E N E R A L M A I N T E N A N C E . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2 1
8.1 OVERVIEW .......................................................................................................................................... 121
8.2 REFILLING THE BUBBLER ON THE FPG .........................................................................................121
8.3 ZEROING THE VACUUM SENSOR ....................................................................................................122
8.3.1 SET – UP....................................................................................................................................................123
8.3.2 WARM-UP..................................................................................................................................................123
8.3.3 TEST THE ZERO OF THE VACUUM SENSOR ........................................................................................123
8.4 CALIBRATING THE INTERNAL CALIBRATION MASS.....................................................................125
8.4.1 INITIAL PREPARATIONS .........................................................................................................................125
8.4.2 REMOVE THE LOAD CELL COVER ........................................................................................................125
8.4.3 REMOVE THE CALIBRATION MASS AND DRIVE..................................................................................126
8.4.4 DETERMINE THE TRUE MASS VALUE OF THE INTERNAL CALIBRATION MASS ............................126
8.4.5 PUT THE MASS BACK INTO THE DRIVE ASSEMBLY ..........................................................................127
8.4.6 REATTACH THE LOAD CELL COVER ....................................................................................................127
8.4.7 FINAL STEPS ............................................................................................................................................127
8.5 MOUNTING POST PRT CALIBRATION..............................................................................................128
8.5.1 REMOVE THE PRTS .................................................................................................................................128
8.5.2 CREATE THE PRT CABLE ADAPTER ....................................................................................................128
8.5.3 DETERMINE THE RO VALUE ..................................................................................................................129
8.5.4 ENTER THE RO VALUE INTO THE FPG TERMINAL..............................................................................129
8.5.5 REATTACH THE PRTS TO THE FPG ......................................................................................................130
8.6 PREPARING FOR STORAGE / SHIPMENT........................................................................................130
8.6.1 FPG8601 ....................................................................................................................................................130
8.6.2 VLPC ..........................................................................................................................................................130
8.6.3 3-DUT MANIFOLD .....................................................................................................................................131
9 . D A T A F I L E S . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 3 3
9.1 OVERVIEW .......................................................................................................................................... 133
9.2 POINT LOG DATA FILE (*.DAT) ......................................................................................................... 133
9.2.1 NAMING AND STORING DATA FILES ....................................................................................................133
9.2.2 FILE FORMAT ...........................................................................................................................................133
9.3 INTERNAL CALIBRATION LOG FILE ................................................................................................133
9.4 SYSTEM ZERO LOG FILE .................................................................................................................. 134
9.5 ERROR LOG FILE ............................................................................................................................... 134
1 0 . T R O U B L E S H O O T I N G . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 3 5
10.1 OVERVIEW .......................................................................................................................................... 135
1 1 . A P P E N D I X . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 3 7
11.1 INTERNAL VALVES ............................................................................................................................ 137
11.2 UNIT CONVERSIONS.......................................................................................................................... 139
11.3 FPG8601 PRESSURE CALCULATIONS ............................................................................................140
11.3.1 COMPENSATED PRESSURES ................................................................................................................140
11.3.2 DIFFERENTIAL PRESSURES ..................................................................................................................140
11.3.3 CORRECTION TERMS..............................................................................................................................140
11.3.4 THERMAL TRANSPIRATION CORRECTION ..........................................................................................141
11.3.5 SAMPLE CALCULATIONS .......................................................................................................................144
11.3.5.1 GAUGE PRESSURE..............................................................................................................................144
11.3.5.2 ABSOLUTE PRESSURE .......................................................................................................................145
11.3.5.3 ABSOLUTE DIFFERENTIAL PRESSURE.............................................................................................146
11.3.5.4 INTERNAL CALIBRATION (
KCAL )
........................................................................................................147
11.4 DECLARATION OF CONFORMITY.....................................................................................................147
11.5 GROUNDING / ELECTRICAL SCHEMATICS .....................................................................................147
11.5.1 SYSTEM LEVEL GROUNDING.................................................................................................................148
11.5.2 FPG GROUND DIAGRAM .........................................................................................................................149
11.5.3 VLPC POWER DIAGRAM .........................................................................................................................150
1 2 . W A R R A N T Y S T A T E M E N T . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 5 1
1 3 . G L O S S A R Y . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 5 3