It uses a UV photodiode, which can detect the 240-370nm range of light (which covers UVB and most of UVA spectrum). The signal from the UV photodiode is very small level, in the nano-ampere level, hence an opamp to amplify the signal to a more Manageable volt-level.
- Low power consumption: Supply voltage 2.5V ~ 5V, operating current is microamps
- Linear Good
- High Sensitivity
- High stability
- Detection range of UV: 240nm-370nm
- Large angle: 130 degrees
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