Sigicom INFRA X20DM2, Руководство пользователя

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12 Copyright ©Sigicom AB 2003-2015
4 Calibration and Maintenance
4.1 Calibration
Recommended calibration interval is 12 months. Please send the
X20DM2 cabinet to Sigicom AB for calibration and adjustment. See
contact information in section 6.
4.2 Minor maintenance
4.2.1 Flow and filter check
The Osiris dust monitor requires a flow and filter check every 3
months. If this indicates that the weight of the deposited particles on
the filter has been above a certain limit, a filter change is needed.
Follow the list below to perform the flow and filter check:
1.
Stop sampling by doing “Reg off” at your INFRA
Datalogger.
2. Shutdown the Datalogger (you must wait until all files have
been uploaded).
3. Remove external power.
4. Remove the two connectors from the Osiris.
5. Gently remove the inlet tube from the Osiris.
Warning! Inlet may be hot!
6. Loosen the two nuts to the left of the Osiris.
7. Lift the Osiris out of the cabinet and put it on a table.
8. If the Osiris display is blank, start the Osiris (Press ON).
9. Press ENTER.
10. Press

several times until display reads “Filter and
ManFLOW” or “Filter and AutFLOW”.
11. Press ENTER.
12. Record “Used mins” in your log (e.g. Maintenance book:
Filter mins).
13. Press RESET.
14. Record filter weight in your log.
15. Press RESET.
16. Record pump hours in your log.