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Huberg METREX2 User Manual

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METREX2
USER MANUAL
VERSION 2.5

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Summary of Contents for Huberg METREX2

  • Page 1 METREX2 USER MANUAL VERSION 2.5...

  • Page 2: Our Products For Gas Safety

    Document creation date: 13.01.2020 Our products for gas safety The professional instrument for the Set of probes for all purposes detection and localization of gas leaks with HUBERG for CH4 e C3H8 with Bluetooth and instruments: carpet probe, GPS. sucker probe,flexible probe,...

  • Page 3: Table Of Contents

    Form creation date: 01.04.2008 Document creation date: 13.01.2020 INDEX Our products for gas safety ............................3 1.0 GENERAL DESCRIPTION ............................5 2.0 KEYBOARD AND CONNECTIONS ..........................6 3.0 INSTRUMENT PERFORMANCE ..........................7 3.1 H ............................ 7 OW TO SWITCH ON INSTRUMENT 3.2 PPM ..........................

  • Page 4: General Description

    Due to its compact design and modest size the METREX2 can be transported easily and the large LCD-display with the instantaneous reading of the gas concentration measured makes it simple to work with this device.

  • Page 5: Keyboard And Connections

    Form creation date: 01.04.2008 Document creation date: 13.01.2020 2.0 KEYBOARD AND CONNECTIONS Figure 1 1. Switch OFF button 2. Data recording button 3. Switch ON/OFF acoustic signal button 4. Switch button PPM/VOL/LEL button 5. Auto zeroing button 6. 220 V~ connection LED 7.

  • Page 6: Instrument Performance

    Form creation date: 01.04.2008 Document creation date: 13.01.2020 3.0 INSTRUMENT PERFORMANCE 3.1 How to switch on instrument In order to switch on the instrument push, for at least three seconds, one of the buttons at the lower part on the right of the keyboard (fig.1 button (2), (3), (4),(5)).

  • Page 7: Ppm And Vol Measuring Ranges

    8 3.3 LEL measuring range The METREX2 has the LEL scale (fig.10) which is activated by pressing the PPM/VOL button (4) (fig.1 and fig.9) for more than 2 seconds. If the acoustic alarm is activated, a signal tone is emitted. A changeover from the LEL scale is only possible manually.

  • Page 8: Alarm

    3.4 Alarm fig. 11 When switching on the METREX2, the acoustic alarm is activated and the LED (fig.11) is lit The user can deactivate and reactivate it by pressing the alarm ON/OFF button (3) (fig.1 e fig.12) according to his requirements.

  • Page 9: Data Registration (Optional)

    To return to the normal function without saving any data press button (3). To cancel all records connect the METREX2 to the battery charger and to the power supply (recharging mode). Press the buttons (2) and (5) (see fig.1) simultaneously for min. 2 seconds.

  • Page 10: Auto Zeroing

    Connect the battery charger to 220V power supply and insert the plug into the socket of the METREX2 (4) (see fig. 2). The instrument recognizes the connection and changes to recharging mode automatically, even if the device is switched off.

  • Page 11: Battery Status Visualization

    NOTICE: Don't leave the instrument connected to the power supply longer than the time necessary for recharging. If the METREX2 is not or rarely in use, recharge at least every 4 weeks. For the reason of environmental protection, the METREX2 is equipped with rechargeable nickel metal hydride batteries, which do not contain heavy metals harmful for the environment.

  • Page 12: Gas Type Selection (Optional)

    WARNING: gas type selection must be done in a gas-free area. 5.0 PUMP BLOCK METREX2 may be provided with an optional pump blocking features: in event of a continuous flux obstruction (for about 4 seconds), Metrex 2 stops measure and display shows “Poff” (fig.28). To...

  • Page 13: Maintenance And Periodical Calibration

    ISO standard. To check if the METREX2 functions correctly, QED Environmental Systems Limited recommends to control it with the HANDYGAS instrument regularly, depending on the frequency of use of the METREX2. For more information see also '8.0 Accessories' and the Technical Datasheet on HANDYGAS.
  • Page 14 Form creation date: 01.04.2008 Document creation date: 13.01.2020 14 / 18...

  • Page 15: Appendix A - Safe Use Of The Instrument

    INTRODUCTION These safety instructions refer to the installation, use and maintenance of gas leak detector METREX2, for the usage in areas with the presence of potentially explosive atmospheres. The device is characterized by the following marking: II 2G Ex ia d IIC T4 Gb The information contained in these safety instructions must be observed in addition to the warnings in the instructions supplied to the Customer.
  • Page 16 Form creation date: 01.04.2008 Document creation date: 13.01.2020 Security Summary Instrument for detecting the presence of gases or vapors of category 2 suitable for zone 1 II 2 G with redundancy for zone 2 Instrument with intrinsically safe circuits and chamber of analysis for Gas with explosion- Ex ia d proof enclosure II C...

  • Page 17: Appendix B - Important Information For Correct Disposal Of The Electric And Electronic Equipment

    Form creation date: 01.04.2008 Document creation date: 13.01.2020 APPENDIX B - IMPORTANT INFORMATION FOR CORRECT DISPOSAL OF THE ELECTRIC AND ELECTRONIC EQUIPMENT At the end of its working life, the product must not be disposed of as urban waste. It must be taken to a special local authority differentiated waste collection centre or to a dealer providing this service.
  • Page 18 Form creation date: 01.04.2008 Document creation date: 13.01.2020 www.huberg.com 18 / 18...

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