GL Sciences LD239 User Manual
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GL Sciences LD239 User Manual

Leak detector
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Leak Detector LD239
User's Guide

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Summary of Contents for GL Sciences LD239

  • Page 1 Leak Detector LD239 User’s Guide...
  • Page 2 Issue 1 Disclaimer GL Sciences B.V. makes no representations or warranties with respect to the contents or use of this manual and specifically disclaims any express or implied warranties of merchantability or fitness for any particular purpose. Further GL Sciences B.V. reserves the right to revise this manual and to make changes to its content at any time, without obligation to notify any person or entity of such revisions or changes.
  • Page 3 GL Sciences does not guarantee that the operation of this product will be uninterrupted or error- free. GL Sciences is not responsible for damage that occurs as a result of your failure to follow the instructions intended for this instrument. The warranty does not apply to consumable parts incl.

  • Page 4: Table Of Contents

    LD 239 Leak Detector User’s Guide Issue 1 CE Compliance B.V. hereby declares under our sole responsibility that Leak Detector LD239 is in GL Sciences conformity with including EN31326-12006 and EN61326- 2004/78/EC European EMC Directive 2-2:2006 standards. Contents Introduction ..........................5 Warnings, Cautions and Notes .....................5...

  • Page 5: Introduction

    GC environment. In general, LD239 can detect leaks of any gas with thermal conductivity largely different from the reference gas (air). The detector indicates leaks via an LCD display, LED lights and an audible alarm.

  • Page 6: Operation Cautions And Notes

    LD239 may become warm during battery charging. This is normal and does not indicate a malfunction.  LD239 is not a quantitative device. It is designed to indicate leaks in gas line connections commonly associated with laboratory equipment.  Sensitivity of LD239 can be affected by wind. Take it into account when using LD239 outdoor.

  • Page 7: Part Names And Functions

    Purchase a new battery for replacement (refer to chapter 7 “Replacement Service Parts”).  The lithium-ion battery used in LD239 does not comply with regulations in Russia and Australia. Due to this restriction, the detector cannot be exported to these countries. Part Names and Functions FUNC/POWER Key: Turns power ON/OFF and selects functions.

  • Page 8: Operating Procedure

    After warming up, a standard display is shown (Fig. 4.1). 3. Check the detector stability at zero point. First bar on the left will be blinking black or blank alternately when the detector is in stable condition. Periodically, the detector needs to be GL Sciences B.V. Page 8...

  • Page 9: Setting Configuration Parameters

    Place the probe slowly back to the leak to confirm its location. Switch off LD239 when it is not in use. The unit’s power can be turned off either manually or automatically depending on the configuration settings (refer to chapter 6 “Setting Configuration Parameters”).
  • Page 10 LD 239 Leak Detector User’s Guide Issue 1 Blinking (selecting) condition Display STD range Display Hi range Fig. 5.1 Flow Diagram Setting Configuration Parameters GL Sciences B.V. Page 10...

  • Page 11: Replacement Service Parts

    3. Insert the end of the PTFE tubing into a new sample filter (p/no 2702-19333) and attach it tightly to the protective tubing. 4. Screw the probe onto the probe cap tightly. Protective Tubing Probe Probe Cap Sample Filter Sample Filter PTFE Tubing Fig. 7.2 Sample Probe Filter Replacement GL Sciences B.V. Page 11...

  • Page 12: Technical Specification

    Rechargeable Lithium ion battery (up to five hours continuous use). Battery is rechargeable through USB port (2.5 hours for a full recharge). Dimension: 50(W) x 19.5(D) x 111(H) mm Weight: Approx. 95 g Accessories: USB cable, instruction manual, AC-DC adaptor with EURO or UK plug (optional). GL Sciences B.V. Page 12...

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