Patent ID: 7325555

Claim:
A rinsing device for a sensor, comprising: a cylinderlike rinsing chamber which has an anterior chamber part adapted for connection to a measuring fluid container and adapted for receiving an immersion tube that contains a sensor and is coaxial with, as well as movable along, a longitudinal axis of the rinsing chamber, the rinsing chamber having a rinsing area delimited by an anterior ring groove and a rearward closure, the rinsing area having a circumferential wall with at least one inlet as well as a drainage outlet with an orifice opening for a rinsing medium, the anterior ring groove being aligned at an oblique angle to the longitudinal axis, the orifice opening bordering on the most forwardly positioned location of the circumferential wall, the drainage outlet being directed at a forward angle from the orifice opening, and the circumferential wall having an internal diameter which increases continuously from the rearward end of the rinsing area up to the orifice opening.