| 摘要 |
The invention relates to apparatus 1 for monitoring the intensity of a UV source, for example a water sterilizer, in which there is an optical detection unit (2) which detects UV radiation and converts that radiation into an electrical signal which is comparable to the intensity of the UV radiation detected, the optical detection unit (2) being operatively connected with a device including a converter (8) and adapted to indicate the intensity of UV radiation from the source dependent on the electrical signal from the optical detection unit.
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