| 摘要 |
A device and an installation for warning of clogging of roof rainwater outlets or the like, especially outlets on flat roofs. The device comprises a fastening means (4) arranged to be fastened to the outlet (2) at a desired height thereon, and in which there is mounted at least one water detector (7), the fastening means (4) comprising a protective body (9) protecting the detector (7) from rainwater from above and from the sides. The installation comprises a number of warning devices (3) for mounting on respective roof rainwater outlets (2), and a central electronics unit (15) connected to a number of detecting loops (L1-L6) having at least one associated warning device (3), the electronics unit (15) comprising indicators (18) for indicating respective loops (L1-L6) having detectors (7) detecting water.
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