Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la
If it fails: lemon-manuals.org.ua

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Solar Sensor: Testing and Inspection

SOLAR RADIATION SENSOR INSPECTION

1. Shine a fluorescent light or expose the solar radiation sensor to natural sunlight.
2. Connect positive (+) lead to terminal A and negative (-) lead to terminal B of the solar radiation sensor.
- If the output voltage is not over 0.02V and not less 0.45 V, replace the solar radiation sensor.