GEISMAR Garnet P8 Operating Manual

Digital track gauge

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PRECISION DIGITAL TRACK GAUGE
FOR TRACK AND SWITCH GEOMETRY
MEASUREMENTS
OPERATING MANUAL
GAD04DOC820Ver9 - en.docx

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Summary of Contents for GEISMAR Garnet P8

  • Page 1 PRECISION DIGITAL TRACK GAUGE FOR TRACK AND SWITCH GEOMETRY MEASUREMENTS OPERATING MANUAL GAD04DOC820Ver9 - en.docx...
  • Page 2 • Tél.: + 33(0)1 41 43 40 40 92200 Neuilly sur Seine • Fax :+ 33(0)1 46 40 71 70 France • E-mail : geismar@geismar.com FACTORY GEI SM AR 5, rue d'Altkirch • Tél. :+ 33 (0)3 89 80 22 11 68006 Colmar cedex •...
  • Page 3 14/06/13 - Para 5 New instructions on Charging Batteries added 07/04/15 Any Alterations or modifications to these Gauges without the express written agreement of GEISMAR will invalidate the Certification and may additionally invalidate the PAB Certification and Warranty. GAD04DOC820Ver9 - en.docx...
  • Page 4 Geismar warrant that the media on which the Software is distributed is free from defects for a period of sixty (60) days from the date of delivery of the Software to you. Your sole remedy in the event of a breach of this warranty will be that Geismar will, at its option, replace any defective media returned within the warranty period.
  • Page 5: Table Of Contents

    Table of Contents Introduction ..............................5 Packing List............................5 Initial Instructions ..........................5 System Controls ............................6 Switching On............................6 Switching Off ............................6 Control Buttons ............................. 6 Backlight ............................... 7 Contextual Help Icons ........................... 7 DC Charging Socket ..........................7 Operating Instructions ..........................
  • Page 6: Introduction

    Chapter 1 Introduction The Geismar Garnet is a portable, lightweight, hand operated digital track gauge for measuring the following seven track parameters:-  Gauge  Cross-level  Groove Clearance  Checkrail to opposite Running-rail  Running-rail to opposite Check-rail  Back-to-back Check-rail ...
  • Page 7: System Controls

    Chapter 2 System Controls The Garnet has three buttons on its front panel as shown here. Many of the measuring modes are selected automatically and an explanation of these modes and manually selected functions are detailed in the following sections. The diagram below identifies these controls along with the other major components found on the Garnet.
  • Page 8: Backlight

    Backlight  With the Garnet in measuring mode, pressing the ( ) button will either will activate the LCD backlight, for a pre-determined period, or toggle the backlight on and off. This is detailed in the ‘Software Menus’ section of the manual. Contextual Help Icons To assist the user in menu navigation, the Garnet makes use of on-screen contextual help icons.
  • Page 9: Operating Instructions

    Garnet. Power On To switch on the Garnet, press the button marked () for GEISMAR GARNET approximately 2 seconds. During the start-up process, the equipment GAD04F000001CR model, and the firmware version are displayed on the screen. After approximately 10 seconds the initialisation message is replaced with the measuring screen.
  • Page 10: Intuitive Measuring Mode Selection

    Intuitive Measuring Mode Selection The Garnet is fitted with a high accuracy inclinometer, and two measuring ‘paddles’ enabling it to measure up to seven track parameters. In order to maintain measurement integrity and improve ease of use, the Garnet records the most extreme (max or min) value measured in the selected direction, even if this is not the current value.
  • Page 11: Acquiring Measurements

    Acquiring Measurements To further increase accuracy and repeatability, software averaging filters are implemented in the Garnet. During the measuring process, these filters will take a few seconds to process the data and therefore the display should only be read once the parameters have stabilised. Twist Measurement The Garnet has the ability to calculate Twist.
  • Page 12: Software Menus

    Chapter 4 Software Menus The Garnet has a structured menu system, enabling the operator to perform specific tasks and alter the configuration of the instrument. The menu structure can only be entered before the unit is turned on.  , while turning on the unit by pressing  for 2 seconds. To enter the menus, press and hold To assist the user in menu navigation, the Garnet makes use of on-screen contextual help icons.
  • Page 13: Measure Units

    4.1.12 Calibration Date Displays the date when last calibrated, if more than 12 months has elapsed, then the unit should be returned to your local Geismar representative for re-calibration. 4.1.13 Exit Menu Select  to exit the menu, or select, then menu will loop around to the start (Battery).
  • Page 14  button, while turning on the unit with the button .  Scroll through the menu options using the ( ) button until the  X-level  following message is displayed, then select by pressing the  Rezero? button. When prompted with the following message, place the Garnet ...
  • Page 15: Charging The Batteries

    Chapter 5 Charging the Batteries The Garnet has an internal 7.2v Ni-MH rechargeable battery pack that must not be removed by the operator. The maximum autonomy of the battery pack for the Garnet is approximately 200 hours use, actual autonomy will be dependent upon operational process and Bluetooth usage (with PDA) It is strongly recommended that the battery is never charged if the capacity showing on the control panel (section 3.2) is more than 4 bars.
  • Page 16: Maintenance Of The Equipment

    If a fault is suspected then the instrument must be returned immediately to your local Geismar representative for full calibration or repair. It is recommended that the Garnet be returned to your local Geismar representative for calibration every 12 months or in accordance to your companies QA policy.
  • Page 17: Trouble Shooting

    Ensure that the Groove measuring mode is ‘Enabled’ in the setup menu. Geismar has a commitment to constant improvement of its measuring equipment. Should the Garnet report an error on the LCD screen then please report this error, along with the serial number and firmware version of your unit (displayed on the LCD at start-up) to ‘...
  • Page 18: Technical Specification

    Chapter 8 Technical Specification Performance Nominal Track Gauge Model Parameter 1000 1435 1600 Accuracy Resolution Gauge (mm) -50 to +50 -50 to +50 -50 to +50 ±1.0 ±0.1 Cross-level (mm) ± 150 ± 200 ± 200 ±1.0 ±0.1 Groove gap (mm) 25 - 120 25 - 120 25 - 120...
  • Page 19: Network Rail Nr/L3/Trk/4900 Specific Models

    Network Rail NR/L3/TRK/4900 Specific Models Models (deviation from standard technical specification) Network Rail Track Inspection Digital Gauge TYPE 2 (incorporates shouldered thrusts) Geismar Garnet P8 (single piece unit) Geismar Garnet P8-T (two-piece unit) Parameter Range Accuracy Resolution Gauge (mm) 1410 to 1490 ±1.0...
  • Page 20: Ce Certification

    Rail Safety Group Standard GM/RT 1310 EMC Regulations for Railway Applications EN50121 The Low Voltage Directive Supplied By Societe L. Geismar N. MacCuaig UK Development Manager Attention: Any modification to this gauge without the prior written agreement of the Manufacturer will invalidate this certificate GAD04DOC820Ver9 - en.docx...

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