A cleaning member including a distal cleaning element and a proximal coupling element, where the coupling element has a proximal end portion dimensioned to form a frictional fit with a working end of an automated transport arm.

A wiper system for a vehicle includes: a glass wiper disposed on a window glass of a vehicle; a motor providing driving power to the glass wiper; a camera capturing images of surroundings of the vehicle; and a camera wiper disposed on a camera lens of the camera and connected to the motor by a linkage to operate in association with the glass wiper such that the camera wiper swings back and forth over the camera lens while the glass wiper swings back and forth over the window glass.

A sample testing system includes a test receptacle support structure, an optical element positioned for transmitting electromagnetic radiation emitted or reflected by a sample disposed in a test receptacle supported by the test receptacle support structure, a cleaning member, and an automated transport arm configured to (i) detachably couple the cleaning member, (ii) move the detachably-coupled cleaning member into a position proximate to and/or contacting the optical element, and (iii) decouple the cleaning member.

An optical measurement device with a transparent cylindrical measurement cuvette, which defines an axial symmetrical axis and contains the fluid sample, an optical measurement arrangement which quantitatively determines the optical property of the fluid sample in the measurement cuvette, and a mechanical cleaning arrangement is described. The cleaning arrangement comprises an external magnetic working platform, which is arranged coaxially to the symmetrical axis, is slidable in a translatory manner parallel to the symmetrical axis, is rotatable about the symmetrical axis, encloses the cylindrical measurement cuvette externally in an annular manner, and has at least one translatory magnet element and at least one rotary magnet element, and an internal magnetic cleaning unit, which is arranged within the measurement cuvette and is slidable in a translatory manner, has a cleaning body, has at least one translatory magnet element, and has at least one rotary magnet element. The translatory magnet elements as well as the rotary magnet elements of the working platform and the cleaning unit are coupled to one another in a contactless and magnetic manner, respectively. Other aspects are described and claimed.

A system includes a sensor base, a sensor cover having a window that is rotatably mounted to the base. The system includes a contacting cleaner and a contactless cleaner. The system further includes a processor that is programmed to actuate, first, the contactless cleaner and, then, upon determining that opacity of the window exceeds a predetermined threshold after actuation of the contactless cleaner, the contacting cleaner.

A biological information measuring technique with improved reliability is proposed. A method of measuring biological information using an optical element with a totally reflecting surface, which is to be brought into contact with an object to be observed, is provided. The method includes, after the optical element has been in contact with the object to be observed, acquiring an absorbance at the totally reflecting surface in a state where the optical element is not in contact with the object to be observed, and determining by an information processing apparatus whether the object to be observed needs to be cleaned, based on the absorbance.

A tunable diode laser absorption spectroscopy (TDLAS) optical head includes a housing configured for attachment to a sight tube attached to a wall of a process chamber. The TDLAS optical head further includes optics within the housing for transmitting, receiving, or transmitting and receiving a laser beam within a process chamber through the sight tube. The TDLAS optical head further includes a photo sensor in the housing positioned to receive light emitted by combustion within the process chamber to which the housing is attached.

An optical measurement device with a transparent cylindrical measurement cuvette, which defines an axial symmetrical axis and contains the fluid sample, an optical measurement arrangement which quantitatively determines the optical property of the fluid sample in the measurement cuvette, and a mechanical cleaning arrangement is described. The cleaning arrangement comprises an external magnetic working platform, which is arranged coaxially to the symmetrical axis, is slidable in a translatory manner parallel to the symmetrical axis, is rotatable about the symmetrical axis, encloses the cylindrical measurement cuvette externally in an annular manner, and has at least one translatory magnet element and at least one rotary magnet element, and an internal magnetic cleaning unit, which is arranged within the measurement cuvette and is slidable in a translatory manner, has a cleaning body, has at least one translatory magnet element, and has at least one rotary magnet element. The translatory magnet elements as well as the rotary magnet elements of the working platform and the cleaning unit are coupled to one another in a contactless and magnetic manner, respectively. Other aspects are described and claimed.

A sensor of the present disclosure includes a sensor housing with a housing window; a sensor unit arranged in the sensor housing suitable for emitting a sensor signal through the housing window and for receiving a detection signal through the housing window (3); a cleaning unit having a cleaning element, a holder and a drive, wherein the cleaning element is attached to the holder such that the cleaning element is suitable for contacting the housing window from the outside, wherein the drive is non-positively connected to the holder and is suitable for moving the cleaning element across the housing window; and a pressing unit which is suitable for exerting an adjustable contact pressure on the cleaning unit so that the cleaning element is pressed against the housing window with the contact pressure.

A water quality sensor comprising a fluorescence sensor arrangement 16 operable to measure a fluorescence intensity, a temperature sensor 22 and a turbidity sensor 24, the outputs of which are used in combination to derive a value for the BOD concentration of a sample, wherein the output of the temperature sensor 22 is used to apply a correction to the sensed fluorescence intensity value using the equation

[00001]$F_{\mathrm{ref}}=\frac{F_{\mathrm{mes}}}{1+\left(T_{\mathrm{mes}}-T_{\mathrm{ref}}\right)}$

where F is the fluorescence intensity signal, T is temperature ( C.), and the subscripts mes and ref represent the measured and reference values respectively, and is a temperature compensation coefficient.