GMI OXYGAS 500 TRAINING Manual
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GMI OXYGAS 500 TRAINING Manual

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OXYGAS 500 TRAINING
Gas Measurement Instruments Ltd

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Summary of Contents for GMI OXYGAS 500 TRAINING

  • Page 1 OXYGAS 500 TRAINING Gas Measurement Instruments Ltd...
  • Page 2 OXYGAS 500 Objectives  – EXPLAIN THE FUNCTIONS OF THE INSTRUMENTS – HOW TO OPERATE Gas Measurement Instruments Ltd...
  • Page 3 OXYGAS 500 ROBUSTNESS  PROTECTION  CERTIFIED  DISPLAY  PUMP  AUDIBLE / VISUAL ALARMS  SEALED RUBBERISED SWITCHES  INFRA RED COMMS POINT  Gas Measurement Instruments Ltd...
  • Page 4 OXYGAS 500 Certification  – ATEX » EEx iad IIC T4 II 2 G – UNDERWRITERS LABORATORIES INC (UL) » Class 1 Groups A B C D – AUTHORISATION – BATTERY COMPARTMENT Gas Measurement Instruments Ltd...
  • Page 5 OXYGAS 500 Ranges of Operation  – 0 - 100% LEL – 0-100% Volume Gas – 0-25% Oxygen – Flammable Auto-ranging Gas Measurement Instruments Ltd...
  • Page 6 OXYGAS 500 Display - Flammable  – CURRENT RANGE DISPLAYED – DIGITAL » RESOLUTION • 0 - 10 % LEL - STEPS OF 0.1% • 10 - 100% LEL - STEPS OF 1% • 0 - 10% GAS - STEPS OF 0.5% Range Indicator •...
  • Page 7 OXYGAS 500 Display - Oxygen  – CURRENT RANGE DISPLAYED – DIGITAL » RESOLUTION • 0-21% insteps of 0.1% O2 • 21-25% in steps of 1% O2 – Range Indicator ANALOGUE » RESOLUTION • STEPS OF 4% Gas Measurement Instruments Ltd...
  • Page 8 OXYGAS 500 Zeroing  – AUTO ZERO – OPERATOR MESSAGES » CHECK ZERO FLAG » ZERO FAULT FLAG Operator Messages Gas Measurement Instruments Ltd...
  • Page 9 OXYGAS 500 Gas Flow Direction Sampling  Gas Inlet Gas Outlet – PUMP – 0.5 - 0.7 L PER MIN – SAMPLE FLAG – AUTO SWITCH OFF » Display Message Gas Measurement Instruments Ltd...
  • Page 10 OXYGAS 500 Accessories  – Carry Case – Filters – Sample Line – Sample Line Adaptor – Probe – Probe Handle Assembly – Shoulder Harness – Hex Driver – Handbook Gas Measurement Instruments Ltd...
  • Page 11 OXYGAS 500 Probes / Probe Handle  Assembly Cotton and Hydrophobic Filters within Probe Handle Assembly Range of Probes Available Gas Measurement Instruments Ltd...
  • Page 12 OXYGAS 500 Batteries  Battery life display – Rechargeable (NiCd) » approx. 9 hours runtime » battery life displayed at power on ‘BAT’ flag approx. 30mins before switch off » Battery Warning Flag – Alkaline » approx. 15 hours runtime »...

  • Page 13: Rechargeable Battery Pack

    OXYGAS 500 Rechargeable Battery Pack  – Standard Charger » 14 hours to charge a flat battery – Flatbed Charger » 14 hours to charge a flat battery – Smart Charger » 60mins to 90% recharged, 120mins to fully recharged »...

  • Page 14: Before Use Checks

    OXYGAS 500 Before Use Checks  – Casing – Display – Filters – Sample Line – Battery Pack – Calibration Label Gas Measurement Instruments Ltd...

  • Page 15: Operation

    OXYGAS 500 Operation  Gas Measurement Instruments Ltd...
  • Page 16 OXYGAS 500 Operation  – Top Button » Press and Hold - Switches ON in Measure Mode » Double Press - Switches OFF » Single Press - Toggles Pump On / Off Gas Measurement Instruments Ltd...
  • Page 17 OXYGAS 500 Operation  – Bottom Button » Press and Hold - Switches ON in Purge Mode » Changes range (Alternate Flash) Display in Purge Mode Gas Measurement Instruments Ltd...
  • Page 18 OXYGAS 500 Warm Up  – ALL SEGMENTS – ID & SOFTWARE VERSION – BATTERY STATUS – CALIBRATION DATE – INSTRUMENT SAMPLING Gas Measurement Instruments Ltd...

  • Page 19: Operator Messages

    OXYGAS 500 Operator Messages  Pump is running and instrument sampling Instrument about to switch off Batteries will soon require replacing Possibility of zero shift Gas Measurement Instruments Ltd...

  • Page 20: Fault Messages

    OXYGAS 500 Fault Messages  Zero is outwith its calibration limit Problem with the instrument’s sample flow Batteries require replacing Calibration error detected Gas Measurement Instruments Ltd...
  • Page 21 OXYGAS 500 Sample Fault  – Blockage – Filters » hydrophobic » cotton » check / change – Restart Pump » single press button one Gas Measurement Instruments Ltd...

  • Page 22: Filter Replacement

    OXYGAS 500 Filter Replacement  Cotton Particulate Filter – Probe Handle Hydrophobic Filter » Cotton » Hydrophobic Probe Handle Assem bly Gas Measurement Instruments Ltd...

  • Page 23: Fault Finding

    OXYGAS 500 Fault Finding  – Instrument not switching on » check batteries – Pump failure » switch on Gas Measurement Instruments Ltd...

  • Page 24: Battery Replacement

    OXYGAS 500 Battery Replacement  – Alkaline » Ensure the instrument is switched off » Loosen instrument base plate screws using tool provided (4mm hex) » Remove battery cover then remove batteries » Check battery compartment for damage to Loosen base screws to remove battery cover spring contacts or corrosion on springs »...
  • Page 25 OXYGAS 500 Battery Replacement  – Rechargeable » Ensure the instrument is switched off » Loosen instrument base plate screws using tool provided (4mm hex) » Remove battery pack » Insert new battery pack Loosen base screws to » Fasten base screws remove battery cover »...
  • Page 26 OXYGAS 500 Calibration  – 4 methods » field calibration » manual calibration » automatic calibration » instrument management system – Annual – Calibration Date Label Gas Measurement Instruments Ltd...

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