Fluke PG7607 Operation and Maintenance Manual
PG7607 PISTON GAUGE
Operation and Maintenance Manual
(Use with PG7000 Operation
and Maintenance Manual)
© 2006 DH Instruments, Inc.
PG7607™ Operation and Maintenance Manual
High pressure liquids and gases are potentially hazardous. Energy stored in these liquids and gases can
be released unexpectedly and with extreme force. High pressure systems should be assembled and
operated only by personnel who have been instructed in proper safety practices.
© 1999 - 2006 DH Instruments, Inc. All rights reserved.
Information in this document is subject to change without notice. No part of this document may be reproduced or
transmitted in any form or by any means, electronic or mechanical, for any purpose, without the express written
permission of DH Instruments, Inc. 4765 East Beautiful Lane Phoenix AZ 85044-5318 USA.
DH Instruments makes sincere efforts to ensure accuracy and quality of its’ published materials; however, no
warranty, expressed or implied, is provided. DH Instruments disclaims any responsibility or liability for any direct or
indirect damages resulting from the use of the information in this manual or products described in it. Mention of any
product or brand does not constitute an endorsement by DH Instruments of that product or brand. This manual was
originally composed in English and was subsequently translated into other languages. The fidelity of the translation
cannot be guaranteed. In case of conflict between the English version and other language versions, the English
version predominates.
Products described in this manual are manufactured under international patents and one or more of the following U.S.
patents: 6,701,791, 5,142,483, 5,257,640, 5,331,838, 5,445,035. Other U.S. and international patents pending.
DH Instruments, DH, DHI, PG7000, PG7607 and CalTool are trademarks, registered and otherwise, of
DH Instruments, Inc.
Swagelok is a registered trademark of the Swagelok Company
Krytox and Viton are trademarks of the Dupont de Nemours Company
Document No. 550109c-02
070810
Printed in the USA.
© 2006 DH Instruments, Inc.
PG7607™ Operation and Maintenance Manual
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TABLE OF CONTENTS................................................................................ I
TABLES.................................................................................................... II
FIGURES .................................................................................................. II
ABOUT THIS MANUAL .............................................................................. III
1. INTRODUCTION ....................................................................................1
1.1 PRODUCT OVERVIEW .............................................................................................................................1
1.2 SPECIFICATIONS .....................................................................................................................................2
2. INSTALLATION..................................................................................... 5
2.1 UNPACKING AND INSPECTION..............................................................................................................5
2.2 INITIAL SETUP..........................................................................................................................................7
1.2.1 GENERAL SPECIFICATIONS...........................................................................................................................2
1.2.2 PISTON-CYLINDER ASSEMBLY......................................................................................................................2
1.2.3 PRESSURE MEASUREMENTS ........................................................................................................................3
2.1.1 REMOVING FROM PACKAGING......................................................................................................................5
2.1.1.1 PISTON-CYLINDER ASSEMBLY......................................................................................................5
2.1.2 INSPECTING CONTENTS.................................................................................................................................6
2.1.2.1 PG7607 PLATFORM .........................................................................................................................6
2.1.2.2 PISTON-CYLINDER ASSEMBLY......................................................................................................7
2.2.1 CCP PRESSURE CONNECTION......................................................................................................................7
2.2.2 INSTALLING AND REMOVING THE PISTON-CYLINDER ASSEMBLY..........................................................7
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3. OPERATION ....................................................................................... 11
3.1 CONTROLLED CLEARANCE PRESSURE (CCP)..................................................................................11
3.2 [HEAD].....................................................................................................................................................11
4. MAINTENANCE, ADJUSTMENTS AND CALIBRATION ............................ 13
4.1 PISTON-CYLINDER ASSEMBLY AND DISASSEMBLY ........................................................................13
4.2 CLEANING PISTON-CYLINDERS...........................................................................................................14
4.3 PISTON-CYLINDER RECALIBRATION..................................................................................................14
4.4 DISASSEMBLY OF PISTON RETAINING ASSEMBLY..........................................................................14
5. TROUBLESHOOTING .......................................................................... 19
5.1 OVERVIEW..............................................................................................................................................19
Page i © 2006 DH Instruments, Inc.
4.3.1 MASS OF THE CYLINDER..............................................................................................................................14
4.4.1 DISASSEMBLY PROCEDURE........................................................................................................................15
4.4.2 REASSEMBLY PROCEDURE.........................................................................................................................16
PG7607™ Operation and Maintenance Manual
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Table 1. PG7607 Parts List
Table 2. 50 mm Gas Piston-Cylinder Assembly Parts List..........................................................................7
Table 3. PG7607 Troubleshooting Checklist.............................................................................................19
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Figure 1. Piston-Cylinder Installation
Figure 2. Piston Retainer Assembly..........................................................................................................16
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© 2006 DH Instruments, Inc. Page ii
PG7607™ Operation and Maintenance Manual
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This manual is designed to be used in conjunction with the PG7000 Piston Gauges Operation and
Maintenance Manual, to operate a PG7607 Piston Gauge.
PG7607 is identical in conception and features to a PG7601 piston gauge. PG7607 differs only in the
piston-cylinder mounting post and the piston-cylinder module as PG7607 is designed to exploit a
unique 50 mm diameter piston-cylinder. This manual covers the aspects of PG7607 that are different
from PG7601.
To operate a PG7607, use the PG7000 Piston Gauges Operation and Maintenance Manual and
follow the instructions and information applying to PG7601. Refer to this manual for details on the
piston-cylinder mounting post and piston-cylinder module.
In PG7607, the CYLINDER rather than the PISTON floats and is rotated. When using the PG7000
Manual to operate PG7607, references to the PISTON of PG7601 apply to the CYLINDER of PG7607.
(CAUTION) is used in throughout the manual to identify user warnings and cautions.
(NOTE) is used throughout the manual to identify operating and applications advice and
additional explanations.
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[ ] indicates direct function keys (e.g., [RANGE]).
< > indicates PG7000 screen displays (e.g., <1yes>).
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Manual Conventions
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PG7607™ Operation and Maintenance Manual
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© 2006 DH Instruments, Inc. Page iv
PG7607™ Operation and Maintenance Manual
1. INTRODUCTION
1.1 PRODUCT OVERVIEW
PG7607 is a special model in the PG7000 line of piston gauges. PG7607 is identical to PG7601
except for its piston-cylinder and mounting post.
PG7607 was designed to exploit a unique 50 mm diameter piston-cylinder. With this piston-cylinder,
the piston is mounted in a fixed position in the mounting post and the cylinder floats and is rotated.
A controlled clearance pressure can be introduced into the mounting post allowing the piston
diameter and thus the gap between the piston and cylinder to be varied.
PG7607 is available on a limited basis and, generally, is only offered for use in national measurement
institutes or other laboratories performing fundamental research in pressure metrology.
This manual is intended to be used as a supplement to the PG7000 Manual. PG7607 is identical to
PG7601 except for its piston-cylinder and mounting post. To operate a PG7607, use a PG7000
Operation and Maintenance Manual and apply the information on PG7601 referring to this manual for
piston-cylinder and mounting post information. Also keep in mind that in PG7607, the CYLINDER,
rather than the PISTON, floats and is rotated. References to the PG7601 PISTON in the PG7000
Manual apply to the CYLINDER of PG7607.
Page 1 © 2006 DH Instruments, Inc.
PG7607™ Operation and Maintenance Manual
1.2 SPECIFICATIONS
1.2.1 GENERAL SPECIFICATIONS
Specifications below are specific to PG7607. All other specifications are identical to PG7000
specifications found in the PG7000 Operation and Maintenance Manual (P/N 550099).
Weight
Instrument platform with no
mass loaded.
Overall Pressure Ranges
with 35 kg mass set
Operating Medium
Maximum Mass Load
Pressure Connections
TEST Port
Bell Jar Vent Port
Piston Controlled Clearance
Pressure (CCP)
Vacuum Reference Ports
CE Conformance
17 kg (29 lb)
Gauge: 5 to 175 kPa (0.7 to 25.4 psi)
Absolute: 5 to 175 kPa (0.7 to 25.4 psi)
Clean, dry, non-corrosive gas
35 kg (38 kg with AMH automated mass handler)
DH200
DH200
DH200
NOTE: DH200 is a gland and collar type fittings for 1/4 in.
(6 mm) coned and left hand threaded tubes equivalent to
AE SF250C, HIP LF4, etc.
KF25 on platform and bell jar (KF40 available on optional
AMH automated mass handler)
Available, must be specified.
1.2.2 PISTON-CYLINDER ASSEMBLY
The piston is mounted in a fixed position on the mounting post. The cylinder floats and
is rotated.
Piston Material:
Cylinder Material:
Nominal Diameter:
Nominal Area:
Mounting System:
Typical Drop Rate:
Full mass load
Tungsten carbide
Tungsten carbide
50 mm
2 000 mm
2
Free deformation with controlled clearance pressure
(CCP) available on inside of piston.
< 0.1 mm/min
© 2006 DH Instruments, Inc. Page 2
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