Analytical-industries GPR-1200 ATEX Portable Trace PPM Oxygen Analyzer Manuel d'utilisateur télécharger pdf (Page 22)

MAIN MENU

AUTO SAMPLE

MANUAL SAMPLE

CALIBRATION

>>>

CALIBRATION

SPAN CALIBRATE

ZERO CALIBRATE

DEFAULT SPAN

DEFAULT ZERO

OUTPUT SPAN

OUTPUT ZERO

17. Press the ENTER key to select the SPAN CALIBRATE option.

18. Note: A span gas concentration above 1000 ppm dictates the selection of the PERCENT option.

19. Advance the reverse shade cursor using the ARROW keys to highlight the desired GAS CONCENTRATION.

20. Press the ENTER key to select the highlighted menu option.

GAS CONCENTRATION

PERCENT

PPM

21. The following displays appear:

000.00 PPM

PRESS UP OR DOWN

TO CHANGE VALUE

ENTER TO SAVE

MENU TO RETURN

>>>

080.00 PPM

SPAN

CALIBRATION

ENTER TO CALIBRATE

MENU TO ABORT

22. Press the ENTER key to advance the underline cursor right or press the MENU key to advance the underline cursor left to

reach to the desired digit of the alarm value.

23. Press the ARROW keys to enter the alarm value.

24. Repeat until the complete SPAN value has been entered.

25. Save the adjustment value by pressing the ENTER key or abort by pressing the MENU key.

26. Allow approximately 60 seconds for the calibration process while the processor determines whether the signal output or

reading has stabilized within 60% of the full scale low range. Both the Zero Calibrate and Span Calibrate functions result in

the following displays:

PASSED

CALIBRATION

FAILED

CALIBRATION

27. If the calibration is successful, the analyzer returns to the SAMPLING mode after 30 seconds.

28. If the calibration is unsuccessful, return to the SAMPLING mode with span gas flowing through the analyzer, make sure the

reading stabilizes and repeat the calibration before concluding the equipment is defective.

29. Before disconnecting the span gas line, place the SAMPLE/BYPASS valve in the BYPASS position.

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Analytical-industries GPR-1200 ATEX Portable Trace PPM Oxygen Analyzer Manuel d'utilisateur Page 22

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