Abstract: It is provided an arrangement and a method for measuring at least one constituent of a liquid sample, in particular comprising serum, plasma and/or urine, the arrangement comprising: a first portion adapted to partly delimit a reception space for the sample at a first side and comprising at least one measurement area; a second portion comprising: a reception space wall section, the second portion being coupled to the first portion such that the reception space wall section partly delimits the reception space at a second side; and a sample input cup delimiting a sample input region into which the sample is fillable, wherein the sample input region is in fluid communication with the reception space, wherein the reception space wall section and at least a portion of the sample input cup are integrally formed.

Abstract: A method of controlling a hydraulic actuator of a friction coupling that includes a pump, which is driven by an electric motor, a pressure line, which contains a non-return valve and which runs from the pump to an actuator cylinder with an actuator piston that acts on the friction coupling. A rapid drain valve has a flow connection to the actuator cylinder and contains a slide that responds to the pressure prevailing on the side of the pump that faces the slide. To optimize the dynamic and static control behavior of the actuator, a control variable is determined for the electric motor from the target pressure and the actual pressure in the actuator cylinder. At least two different control algorithms are executed, depending on whether the difference between the target pressure and the actual pressure is positive or negative.

Abstract: A method of controlling a hydraulic actuator of a friction coupling that includes a pump, which is driven by an electric motor, a pressure line, which contains a non-return valve and which runs from the pump to an actuator cylinder with an actuator piston that acts on the friction coupling. A rapid drain valve has a flow connection to the actuator cylinder and contains a slide that responds to the pressure prevailing on the side of the pump that faces the slide. To optimize the dynamic and static control behavior of the actuator, a control variable is determined for the electric motor from the target pressure and the actual pressure in the actuator cylinder. At least two different control algorithms are executed, depending on whether the difference between the target pressure and the actual pressure is positive or negative.