TELEDYNE API Everywhereyoulook 480H, Руководство пользователя

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46 Teledyne API Model 480H O
3
Monitor User Manual 09421A DCN8343
7.5. UV LED REPLACEMENT
Replace the UV LED by first disconnecting its power at the J12 connector (Figure 7-3)
and removing the two larger socket head screws (Figure 7-4) to access the UV LED.
After installing and securing the replacement UV LED PCA assembly, it is recommended
to perform a Zero Cal (see Section 5.2.3.2).
Figure 7-3. O3 Sensor Module Board
Figure 7-4. UV LED Access