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Maintenance Training Course

Maintenance Training Course. Course Overview. Itemiser 3 Overview Log On and Calibration Menu Options Maintenance Conclusion. Samples are collected with the sample traps and then vaporized by the desorber

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Maintenance Training Course

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  1. Maintenance Training Course

  2. Course Overview • Itemiser3 Overview • Log On and Calibration • Menu Options • Maintenance • Conclusion

  3. Samples are collected with the sample traps and then vaporized by the desorber The vaporized molecules then pass through the semi-permeable membrane and into the detector The molecules are ionized so that they can be mobilized through the detector by an electric field The length of time it takes a substance to pass through the detector is known as its “time of flight” Light ions travel faster than heavier ions Overview

  4. Regenerative Dryers Dopant Sample Pump Detector Pump Sample Filter Electrodes Desorber Signal Processing Pre-amplifier Semi-permeable membrane (low energy beta) 63NI Overview Display Collector Detector Schematic

  5. Overview Why Maintenance is Necessary • Optimize system performance • Keeps the sample and detector tubing clear of contamination • Prevents nuisance alarms • Minimize down time • Reduce maintenance and repair costs

  6. Log On and Calibration Supervisor default pin number is 5 5 5 5. Maintenance pin number is 9 9 9 9.

  7. Log On and Calibration Calibration Methods

  8. Log On and Calibration

  9. Log On and Calibration Select TNT and insert the calibration trap.

  10. Log On and Calibration

  11. Menu Options • Options • Substances • Config/Notes • History • Status • Advanced Menu • Burn in Membrane

  12. Menu Options A timed calibration warning may be set in this box.

  13. Menu Options Substances levels are set at the factory.

  14. Menu Options

  15. Menu Options

  16. Menu Options

  17. Menu Options Advanced Menu Functions

  18. Maintenance Saying yes to “Burn in Membrane” results in a four hour period of raised temperature that burns off any contaminants that may have been introduced with the installation of a new membrane.

  19. Shift Maintenance Calibrate Check printer paper Clean the unit and work area with alcohol

  20. Weekly Maintenance (With unit powered-on) Check Sample and Detector flow Verify nozzle flow Is approximately 0.2 SCFH @ 200 cc/min

  21. Weekly Maintenance (With unit powered-off and wearing gloves) Clean desorber unit Inspect sample filter Clean sample air lines Inspect fan filter Clean the membrane Inspect dopant

  22. Monthly Maintenance (With unit powered-off and wearing gloves) Change the membrane

  23. Conclusion • Itemiser3 Overview • Log On and Calibration • Menu Options • Maintenance • Questions?

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