DH Instruments FPG8601, Руководство по эксплуатации и обслуживанию

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TABLES AND FIGURES
Page III © 2007 DH Instruments, a Fluke Company
T
T
A
A
B
B
L
L
E
E
O
O
F
F
C
C
O
O
N
N
T
T
E
E
N
N
T
T
S
S
T A B L E O F C O N T E N T S . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I I I
T A B L E S . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V I I
F I G U R E S . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V I I I
A B O U T T H I S M A N U A L . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . X I
1 . I N T R O D U C T I O N . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
1.1 OVERVIEW ..............................................................................................................................................1
1.2 REQUIREMENTS.....................................................................................................................................2
1.3 SPECIFICATIONS....................................................................................................................................2
1.3.1 GENERAL SPECIFICATIONS.......................................................................................................................2
1.3.1.1 FPG8601 GENERAL SPECIFICATIONS...................................................................................................2
1.3.1.2 AMBIENT AND INSTRUMENT CONDITION MEASUREMENTS..............................................................3
1.3.1.3 PISTON-CYLINDER...................................................................................................................................3
1.3.1.4 PRESSURE MEASUREMENT...................................................................................................................3
1.3.2 VLPC GENERAL SPECIFICATIONS ............................................................................................................4
1.4 FPG PLATFORM FRONT AND REAR PANELS AND VLPC FRONT AND REAR PANELS .................5
1.4.1 TERMINAL FRONT AND REAR PANELS ....................................................................................................5
1.4.1.1 FPG TERMINAL FRONT PANEL...............................................................................................................5
1.4.1.2 FPG TERMINAL REAR PANEL .................................................................................................................6
1.4.2 FPG PLATFORM FRONT VIEW ...................................................................................................................7
1.4.3 FPG PLATFORM BACK VIEW .....................................................................................................................8
1.4.3.1 VLPC REAR PANEL ASSEMBLY..............................................................................................................9
2 . F P G T H E O R Y O F O P E R A T I O N . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1
2.1 OVERVIEW ............................................................................................................................................11
2.2 PISTON-CYLINDER...............................................................................................................................11
2.3 LOAD CELL ...........................................................................................................................................13
2.4 LUBRICATION PRESSURE .................................................................................................................. 14
2.5 VACUUM REFERENCE PRESSURE ....................................................................................................14
2.6 SIMPLIFIED FORMULA FOR CALCULATING DIFFERENTIAL PRESSURE ......................................15
2.6.1 REFERENCE LEVEL...................................................................................................................................16
2.7 CORRECTIONS .....................................................................................................................................16
2.7.1
δ
N1 ...............................................................................................................................................................16
2.7.2
δ
N2 ...............................................................................................................................................................16
2.7.3
δ
N3 ...............................................................................................................................................................17
2.8 COMPLETE DIFFERENTIAL PRESSURE EQUATION ........................................................................18
3 . V L P C T H E O R Y O F O P E R A T I O N . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 9
3.1 OVERVIEW ............................................................................................................................................19
3.2 SUPPLY AND REGULATION ................................................................................................................ 20
3.3 FLOW CONTROL ..................................................................................................................................20
3.4 RANGE RESTRICTIONS ....................................................................................................................... 21
3.5 CONTROL ..............................................................................................................................................21
3.6 READY/NOT READY ............................................................................................................................. 22