| Maintenance Guide | 42
Maintenance Guide
Important Maintenance Information
Caution: Do not open the camera enclosure.
There are no parts inside the spectrograph or spectral camera that need annual adjustments or maintenance. Therefore,
do not ever open the camera enclosure.
Cleaning the Fore Optics
The first surface of the spectrograph fore optics gets dirty during active use. To reduce dust and dirt, insert protective
caps on both the spectrograph front and the objective ends when removing the fore optics from the spectrograph.
In normal measurements, any dirt in the surface will be cancelled out when making referencing to the white
sample, and will not affect the final results. However, extreme dust can cause scattering which could deteriorate the
performance.
Important: Only clean the optics when absolutely necessary.
1.
Clean the dust with a rubber dust blower or canned air.
2.
Use fine optics brush on dust that cannot be removed with air.
3.
Clean fingerprints or smudges from the lens with cotton swabs moistened in isopropanol.
Start from the middle and work your way towards the edges in circular motion.
Caution: Remove fingerprints immediately to avoid damage to the lens.
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