The maintenance of the AirXD must only be carried out by competent personnel. Maintenance should be considered with reference to the local safety regulations, authorities, and guidelines.
1. Visual checks
Periodic visual checks should be carried out to assess if there are any issues arising with the AirXD instrument. Check for:
- External damage to the instrument. Plastic parts should not be cracked or broken, which could affect the IP rating of the instrument.
- Internal or external damage to wiring that is connected to the AirXD instrument.
- Labels on the instrument are still in place and are not peeling or discolouring.
2. Cleaning labels
It is recommended to periodically clean the instrument with a damp cloth, to ensure the display, keypad and rating labels are clean and legible.
3. Air Entry/Exit Apertures
The AIR XD has been designed to allow for infrequent pressure washing during maintenance schedules.
Note: Ensure inlet cap is closed before pressure washing the AirXD instrument.
It is important that an appropriate distance is kept between a pressure washer and all AIR XD surfaces when cleaning to avoid any damage to the surface being cleaned. Care should also be taken to ensure that the underside of the instrument is not subject to the direct water jet to ensure that water does not enter the air flow path.
The air exit aperture is protected by a stainless steel grille to minimise the ingress of debris into the instrument. It is recommended that the grille is checked and cleaned during maintenance periods.
4. Filter Replacement
It is recommended that the AirXD is installed with location and proximity consideration to atomising dust suppression systems.
Instrument readings will include atomised or misted sizes that pass through the AIR XD sensor, within the particle detection range.
5 Preventative Maintenance
| Dust Loading | Average Dust Loading in mg/m3 | Expected Maintenance Schedule |
| Low | Up to 5 mg/m3 | 6 to 12 months |
| Medium | Up to 10 mg/m3 | 3 to 6 months |
| High | 10 mg/m3 or above | 1 to 3 months |
Particulate types and operating environments vary, therefore the maintenance schedules above should be used as a guide only.
An assessment of site environmental and operating conditions should be carried out periodically to assess the required maintenance.
6. Sensor cleaning
As part of the routine maintenance schedule, it is recommended that the sensor is cleaned from time to time following the steps below.
Wipe down the AIR XD inlet surfaces with a damp cloth in both ‘open’ and ‘closed’ positions.
Using canned compressed clean air, spray the device inlet for 10 to 15 seconds to clean the dust path.
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