Patent ID: 7360402

Claim:
A water quality detecting device for an aquarium having a detecting module for detecting water quality of the aquarium, the water quality detecting device comprising: a casing which is rectangular for receiving the detecting module, the casing being disposed with a display and an operation panel coupled to the detecting module at the front face thereof and being defined with a plurality of through holes at the rear face thereof for providing insertion or access of wires coupled to the detecting module, an arcuate baffle extending perpendicularly and outwardly from the rear face of the casing above the plurality of through holes, two pairs of circular recesses being respectively defined in opposite ends of the upper and lower faces of the casing, a close water guiding groove being defined in the upper and lower faces and opposite side faces of the casing connecting the circular recesses, a positioning slot being defined in the center of the rear face of the casing close the bottom edge; a transparent cover comprising a covering board covering the front face of the casing, and upper and lower sidewalls extending perpendicularly from upper and lower edges of the covering board and respectively covering the circular recesses and the water guiding groove disposed at the upper and lower faces of the casing, a pair of cylindrical posts being disposed at inner sides of the upper and lower sidewalls close one end thereof for correspondingly extending into one pair of circular recesses; and a seat comprising a flat board, a first insertion member upwardly and slantingly extending from the center of the flat board for extending into the positioning slot, and a second insertion member disposed behind the first insertion member for extending into the positioning slot in a reverse direction, the second insertion member being longer in length than the first insertion member and having a larger elevation angle than the first insertion member.