Patent ID: 8917024
Filing Date: 2014-12-23
Classification: G01J

Abstract:
1. A daylight sensor adapted to be mounted to a surface in a space having a window, the sensor comprising: a photosensitive circuit for measuring a light intensity in the space; an enclosure for housing the photosensitive circuit, the enclosure comprising a cover portion and a base portion adapted to be mounted to the surface, the cover portion having a lens operable to direct light from the space towards the photosensitive circuit, the base portion comprising a rear surface and a cylindrical wall connected to the rear surface, the wall having a channel formed therein adjacent to the rear surface, the channel formed by a plurality of tabs on the wall surrounding a circumference of the base portion, the channel having gaps formed between the tabs, the cover portion comprising at least one snap captured in the channel and configured to move angularly through the channel to allow for rotation of the cover portion with respect to the base portion; wherein the cover portion comprises a structure having a post extending towards the cylindrical wall of the base portion, the post configured to be received in detents formed in each of the tabs of the base portion to allow for rotation of the cover portion with respect to the base portion to a plurality of discrete positions, so as to allow the lens to be directed towards the window after the base portion is mounted to the surface.