5 MAINTENANCE and SERVICE
The Aethalometer needs to be maintained regularly. We recommend the following schedule for regular maintainance.
Item
Sample inlet flow
Inspect the sample line tubing
Inspect and clean the size selective inlet (if present)
Clean cyclone
(5.1 Cleaning the cyclone)
Verify time and date (if not set to update automatically) (Time & Date in OPERATION>GENERAL page).
Inspect optical chamber, clean if necessary
(Section 5.6 Cleaning the optical head)
Check flow, calibrate if necessary
(Section 5.2 Leak test).
(For calibration: Section 5.3 Automatic flow meter calibration or Section 5.4 Manual flow meter calibration).
Change by‐pass cartridge filter
(Section 5.7 Changing the bypass cartridge filter)
Install a new filter tape roll
(Section 3.4 Filter tape installation)
Calibrate tape sensor
(Section 5.8 Calibrating the tape sensor)
Frequency
Monthly
Monthly
Monthly
Weekly at first to gauge debris accumulation, then adjust as needed.
Monthly
Semi‐annually
Site dependent, use educated judgement!
Semi‐annually or as needed.
Annually or as needed.
As needed. The instrument issues a warning.
When measurement chamber has been removed/replaced.
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