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DH Instruments PG7307 Operation And Maintenance Manual

Controlled clearance piston gauge
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PG7307™
Controlled Clearance Piston Gauge
Operation and Maintenance Manual
(Use with PG7000 Operation
and Maintenance Manual)
© 2002 - 2007 DH Instruments, a Fluke Company

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Summary of Contents for DH Instruments PG7307

  • Page 1 PG7307™ Controlled Clearance Piston Gauge Operation and Maintenance Manual (Use with PG7000 Operation and Maintenance Manual) © 2002 - 2007 DH Instruments, a Fluke Company...
  • Page 2 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.

  • Page 3: Table Of Contents

    A P P E N D I X ................1 9 Page I © 2002 - 2007 DH Instruments, a Fluke Company...
  • Page 4 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 © 2002 - 2007 DH Instruments, a Fluke Company...

  • Page 5: A B O U T T H I S M A N U Al

    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.
  • Page 6 PG7307™ OPERATION AND MAINTENANCE MANUAL © 2002 - 2007 DH Instruments, a Fluke Company Page IV...

  • Page 7: 1. Introduction

    1. INTRODUCTION 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.

  • Page 8: Mounting Post And Piston-Cylinder Module Schematic

    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 © 2002 - 2007 DH Instruments, a Fluke Company Page 6...

  • Page 9: Specifications

    1. INTRODUCTION 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). 13 kg (29 lb) Weight Instrument platform with no mass loaded.

  • Page 10: Piston-Cylinder Modules

    4.9 mm Nominal Area Simple free deformation with controlled clearance feature Mounting System Typical Drop Rate (50 kg, zero CCP) 1.00 mm/min Nominal pressure deformation (zero CCP) 7.1 x 10 © 2002 - 2007 DH Instruments, a Fluke Company Page 8...

  • Page 11: I N S T A L L A T I On

    400511 Documentation Calibration Report (PG) 550100 Calibration Report (Mass Bell) 550100 Technical Data 550101 PG7000 Operation & 550099 Maintenance Manual PG7307 Operation & 550127 Maintenance Manual Documentation CD 102987 Page 9 © 2002 - 2007 DH Instruments, a Fluke Company...

  • Page 12: Piston-Cylinder Module

    This piston-cylinder module is installed and removed from the piston gauge platform in the same manner as PG7302 and other PG7000 piston-cylinder modules. See the PG7000 Operation and Maintenance Manual. © 2002 - 2007 DH Instruments, a Fluke Company Page 10...

  • Page 13: O P E R A T I O

    The controlled clearance pressure is introduced through the CCP port on the back of the PG7307 platform. The pressure is applied to the cylinder through the mounting post to a separate circuit in the piston-cylinder module (see Figure 2).
  • Page 14 PG7307™ OPERATION AND MAINTENANCE MANUAL © 2002 - 2007 DH Instruments, a Fluke Company Page 12...

  • Page 15: M A I N T E N A N C E , A D J U S T M E N T S A N D C A L I B R A T I O

    Body oils and acids can permanently etch the surfaces. In normal use, always maintain PG7307 oil piston-cylinders vertical with the O-ring assembly down. Do not invert the assembly and allow oil to run up the piston head into the adjustment mass and cap.

  • Page 16: Figure 3. Oil Piston-Cylinder Module (Exploded View)

    PG7307™ OPERATION AND MAINTENANCE MANUAL To assemble and disassemble a PG7307 piston cylinder module, proceed as follows: so as NOT to apply torque to the piston (7) when removing the cap. When installing the piston cap during reassembly, remember to reinstall the adjustment mass (3).

  • Page 17: T R O U B L E S H O O T I N

    Leak from the measured pressure Remove module and replace O-ring (20). not stabilize and increases rapidly. circuit to the controlled clearance If problem persists, disassemble and pressure circuit. change O-rings (10, 17). (4.1) Page 15 © 2002 - 2007 DH Instruments, a Fluke Company...
  • Page 18 PG7307™ OPERATION AND MAINTENANCE MANUAL © 2002 - 2007 DH Instruments, a Fluke Company Page 16...

  • Page 19: W A R R A N T Y S T A T E M E N

    6. WARRANTY STATEMENT Except to the extent limited or otherwise provided herein, DH Instruments, a Fluke Company (DHI) warrants for one year from purchase, each new product sold by it or one of its authorized distributors, only against defects in workmanship and/or materials under normal service and use. Products which have been changed or altered in any manner from their original design, or which are improperly or defectively installed, serviced or used are not covered by this warranty.
  • Page 20 PG7307™ OPERATION AND MAINTENANCE MANUAL © 2002 - 2007 DH Instruments, a Fluke Company Page 18...

  • Page 21: A P P E N D I

    For each the base units of mass, length and time, has supported controlled clearance pressure, a new crossfloat the reduced uncertainty estimates. Page 19 © 2002 - 2007 DH Instruments, a Fluke Company...
  • Page 22 The new and off the mounting post in a simple, repeatable piston gauge is specifically intended as a tool for process [Figure 3]. Thus, the piston-cylinder and all of determining © 2002 - 2007 DH Instruments, a Fluke Company Page 20...
  • Page 23 All pistons and cylinders are radial direction proportionally to the measured and made of tungsten carbide. Typical deviation from ideal controlled clearance pressures. Page 21 © 2002 - 2007 DH Instruments, a Fluke Company...
  • Page 24 Accreditation, Lonnrotinkatu 37, FIN-00181 Helsinki, Finland. [2] A. Ooiwa, “Novel Nonrotational Piston Gauge with Weight Balance Mechanism for the Measurement of Small Differential Pressures”, Metrologia, Volume 30, No. 6, pp. 607-610, 1994. © 2002 - 2007 DH Instruments, a Fluke Company Page 22...

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