DH Instruments PG7307 Manual de usuario

PG7307™

Controlled Clearance Piston Gauge

Operation and Maintenance Manual

(Use with PG7000 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.

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, a

Fluke Company 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:

5,142,483, 5,257,640, 5,331,838, 5,445,035. Other U.S. and international patents pending.

DH Instruments, DH, DHI, PG7000, PG7302 and PG7307 are trademarks, registered and otherwise, of DH Instruments, a Fluke

Company.

Swagelok is a registered trademark of the Swagelok Company.

Document No. 550127-01

070918

Printed in the USA.

TABLE OF CONTENTS

TABLE OF CONTENTS...............................................................I

TABLES..................................................................................II

FIGURES.................................................................................II

ABOUT THIS MANUAL .............................................................III

1. INTRODUCTION .................................................................5

1.1 PRODUCT OVERVIEW ...........................................................................................................................5

1.2 PLATFORM REAR PANEL .....................................................................................................................5

1.3 MOUNTING POST AND PISTON-CYLINDER MODULE SCHEMATIC..................................................6

1.4 SPECIFICATIONS ...................................................................................................................................7

1.4.1 GENERAL SPECIFICATIONS.......................................................................................................................7

1.4.2 PISTON-CYLINDER MODULES....................................................................................................................8

2. INSTALLATION ..................................................................9

2.1 UNPACKING AND INSPECTION ............................................................................................................9

2.1.1 INSPECTING CONTENTS.............................................................................................................................9

2.1.1.1 PG7307 PLATFORM..................................................................................................................................9

2.1.1.2 PISTON-CYLINDER MODULE ................................................................................................................10

2.2 INITIAL SETUP......................................................................................................................................10

2.2.1 CCP PRESSURE CONNECTION................................................................................................................10

2.2.2 INSTALLING AND REMOVING THE PISTON-CYLINDER MODULE........................................................10

3. OPERATION..................................................................... 11

3.1 CONTROLLED CLEARANCE PRESSURE (CCP)................................................................................11

4. MAINTENANCE, ADJUSTMENTS AND CALIBRATION............ 13

4.1 DISASSEMBLY AND REASSEMBLY OF CONTROLLED CLEARANCE OIL OPERATED PISTON-

CYLINDER ASSEMBLIES (PG7307) ....................................................................................................13

5. TROUBLESHOOTING ........................................................ 15

5.1 OVERVIEW............................................................................................................................................15

6. WARRANTY STATEMENT .................................................. 17

APPENDIX............................................................................. 19

PG7307™ OPERATION AND MAINTENANCE MANUAL

Table 1. PG7307 Parts List..........................................................................................................................9

Table 2. PG7307 Piston-Cylinder Modules Parts List ...............................................................................10

Table 3. PG7307 Troubleshooting Checklist.............................................................................................15

Table 4. DHI Authorized Service Providers...............................................................................................17

Figure 1. PG7307 Platform Rear Panel.......................................................................................................5

Figure 2. PG7307 Mounting Post and Piston-Cylinder Module Schematic.................................................6

Figure 3. Oil Piston-Cylinder Module (Exploded View)..............................................................................14

ABOUT THIS MANUAL

This manual is designed to be used in conjunction with the PG7000 Piston Gauges Operation and

Maintenance Manual, to operate a PG7307 Piston Gauge.

PG7307 is similar in conception and features to a PG7302 piston gauge. PG7307 differs in that it

includes provisions for the application of an independent controlled clearance pressure to the outside

surface of the cylinder. This includes differences in the piston-cylinder module and the mounting post.

This manual covers the aspects of PG7307 that are different from PG7302.

To operate a PG7307, use the PG7000 Operation and Maintenance Manual and follow the instructions

and information applying to PG7302. Refer to this manual for details on the PG7307 piston-cylinder

mounting post and piston-cylinder modules and the use of controlled clearance pressure.

Manual Conventions

(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.

[ ] indicates direct function keys (e.g., [RANGE]).

< > indicates PG7000 screen displays (e.g., <1yes>).

PG7307™ OPERATION AND MAINTENANCE MANUAL

1. INTRODUCTION

1.1 PRODUCT OVERVIEW

PG7307 is a special model in the PG7000 line of piston gauges. PG7307 is identical to PG7302 except

for its piston-cylinder modules and mounting post.

PG7307 is designed to allow an independent controlled clearance pressure (CCP) to be applied

to the outside surface of the cylinder. The controlled clearance pressure is used to alter the

pressure deformation coefficient of the piston-cylinder to study the piston-cylinder’s elastic deformation

with pressure. Relative to PG7302, PG7307 has different piston-cylinder modules that can only be

mounted in the PG7307 mounting post. The PG7307 mounting post includes a passage for application

of the independent controlled clearance pressure and there is a connection on the rear of the platform for

the controlled clearance pressure source.

PG7307 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 was intended to be used as a supplement to the PG7000 Operation and Maintenance

Manual. PG7307 is identical to PG7302 except for its piston-cylinder modules and mounting post. To

operate a PG7307, use the PG7000 Operation and Maintenance Manual and the information on

PG7302 referring to this manual for PG7307 piston-cylinder module mounting post and controlled

clearance pressure information.

1.2 PLATFORM REAR PANEL

The PG7307 Platform rear panel provides the connection to the PG Terminal, remote communication

connections, the measured pressure and controlled clearance pressure connection ports.

1. COM2 (RS232) - External Barometer and Pass

Through Communications

2. COM3 (RS232) - Automated Pressure

Generation/Control Component

3. COM1 (RS232) - Remote Host Communications

4. Ambient Temperature Sensor

5. IEEE-488 - Remote Host Communications

6. Ambient Relative Humidity Sensor

7. Pressure Ports:

TEST Port: DH500

CCP Port: DH500

8. PG7000 Terminal Port

Figure 1.PG7307 Platform Rear Panel

PG7307™ OPERATION AND MAINTENANCE MANUAL

1.3 MOUNTING POST AND PISTON-CYLINDER MODULE

SCHEMATIC

1. Piston Head

2. Flange Screws (2 ea)

3. Oil Run Off Passage

4. Mounting Post

5. Platinum Resistance

Thermometer Mounting Hole

6. Weep Hole

7. Cylinder (tungsten carbide)

8. Piston (tungsten carbide)

9. Cylinder Sleeve

10. Module Retaining Nut

11. Piston Cap

12. Upper Sleeve Flange

13. Controlled Clearance Pressure Sleeve O-Ring

14. Cylinder Counter Bore

15. Controlled Clearance Pressure Sleeve O-Ring

16. Controlled Clearance Pressure Supply

17. Measured Pressure Supply

18. Measured Pressure Mounting Post O-Ring

19. Controlled Clearance Pressure Mounting Post O-Ring

20. Lower Sleeve Flange

21. Controlled Clearance Pressure Cylinder O-Ring,

Lower Sleeve Flange (and Anti-extrusion Ring

for 500 kPa, 1 Mpa and 2 Mpa P-C Modules)

22. Measured Pressure Cylinder O-Ring

23. Controlled Clearance Pressure Cylinder O-Ring,

Upper Sleeve Flange

Figure 2. PG7307 Mounting Post and Piston-Cylinder Module Schematic

1. INTRODUCTION

1.4 SPECIFICATIONS

1.4.1 GENERAL SPECIFICATIONS

Specifications below are specific to PG7307. 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.

13 kg (29 lb)

Overall Pressure Range 100 kPa to 200 MPa (14.5 to 30 000 psi)

Normal Operating Medium Di-2 EthylHexyl Sebacate

Maximum Mass Load 100 kg, while not exceeding 200 MPa (30 000 psi)

Pressure Connections

Test Port: DH500

Controlled Clearance Pressure (CCP) Port: DH500

DH500 is a gland and collar type fitting for 1/4 in. (6 mm) coned

and left hand threaded tubes equivalent to AE F250C, HIP HF4,

etc.

PG7307™ OPERATION AND MAINTENANCE MANUAL

1.4.2 PISTON-CYLINDER MODULES

Oil operated, controlled clearance, piston-cylinder module characteristics.

For all modules, pressure deformation is near zero with a controlled clearance pressure

of 20 to 25 % of the measured pressure.

PC-7307-100 (Kn = 100 kPa/kg)

Operation

Piston Material

Cylinder Material

Nominal Diameter

Nominal Area

Mounting System

Typical Drop Rate (50 kg, zero CCP)

Nominal pressure deformation (zero CCP)

Oil operated, oil lubricated

Tungsten carbide

11.2 mm

98.1 mm2

Simple free deformation with controlled clearance feature

0.04 mm/min

1.2 x 10-6 MPa-1

PC-7300-200 (Kn = 200 kPa/kg)

Operation

Piston Material

Cylinder Material

Nominal Diameter

Nominal Area

Mounting System

Typical Drop Rate (50 kg, zero CCP)

Nominal pressure deformation (zero CCP)

Oil operated, oil lubricated

Tungsten carbide

7.9 mm

49.0 mm2

Simple free deformation with controlled clearance feature

0.08 mm/min

8.9 x 10-7 MPa-1

PC-7300-500 (Kn = 500 kPa/kg)

Operation

Piston Material

Cylinder Material

Nominal Diameter

Nominal Area

Mounting System

Typical Drop Rate (50 kg, zero CCP)

Nominal pressure deformation (zero CCP)

Oil operated, oil lubricated

Tungsten carbide

5.0 mm

19.6 mm2

Simple free deformation with controlled clearance feature

0.25 mm/min

7.5 x 10-7 MPa-1

PC-7300-1 (Kn = 1 MPa/kg)

Operation

Piston Material

Cylinder Material

Nominal Diameter

Nominal Area

Mounting System

Typical Drop Rate (50 kg, zero CCP)

Nominal pressure deformation (zero CCP)

Oil operated, oil lubricated

Tungsten carbide

3.5 mm

9.8 mm2

Simple free deformation with controlled clearance feature

0.50 mm/min

7.2 x 10-7 MPa-1

PC-7300-2 (Kn = 2 MPa/kg)

Operation

Piston Material

Cylinder Material

Nominal Diameter

Nominal Area

Mounting System

Typical Drop Rate (50 kg, zero CCP)

Nominal pressure deformation (zero CCP)

Oil operated, oil lubricated

Tungsten carbide

2.5 mm

4.9 mm2

Simple free deformation with controlled clearance feature

1.00 mm/min

7.1 x 10-7 MPa-1

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