Technical Manual Series 3000 MkII Gas Detector - Merkantile

SERIES 3000 MKII TECHNICAL MANUAL
S3KMKIIMAN_MAN0878_Issue 1_01-10
4. Put the magnet over the ‘’ switch and remove to enter the Calibration menu.
5. The display will show the current gas reading, ‘ZEro’ and the ‘ ’ icon flashes.
6. When the zero gas reading is stable use ‘’ to confirm zero calibration.
7. If successful the display shows ‘ZEro PASS’ (if not successful, the display
shows ‘ZEro FAIL’ and returns to menu mode).
8. If using zero-air, turn it off. Zeroing is complete and saved.
9. The display shows ‘SPAn’ with ‘YES’ flashing.
10. If span calibration is required use ‘’ proceed to the next step. If span
calibration is not required, use ‘’ to select ‘No’ and ‘’ to return to menu
mode.
11. The display shows the current calibration span gas concentration flashing. Use
‘’ to change the calibration span gas concentration, and ‘’ when required
span calibration level is set.
12. Span calibration point is displayed with ‘YES’ flashing. Use ‘’ to confirm or
‘’ to select ‘No’ and return and enter a new span calibration point.
13. The display will show the current gas reading, ‘SPAN’ and the ‘ ’ icon flashes.
14. Connect the regulator to the span gas cylinder.
15. Apply the span gas to the sensor using the calibration gas flow housing. The
live gas reading is displayed. When the reading is stable, use ‘’ to confirm
span calibration.
16. If the sensor cell has been replaced the following display may be shown.
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