Abstract: A control unit, an operating method and a self-monitoring sensor which is fastenable to a measurement object includes a holder projecting radially from the measurement object, wherein at least one sensor element is held in the holder and the sensor element is fixed by a compressive force exerted by an elastic element, where a first detector for detecting the compressive force is arranged in the region of the elastic element to monitor the installation of the self-monitoring sensor, where the self-monitoring sensor is initial provided in an active operating state, where the compressive force acting on the sensor element is detected, where an improper installation state of the self-monitoring sensor is identified if the compressive force detected in the second step falls below an adjustable threshold value, and where a warning about the improper installation state is output to a user and/or a superordinate control unit.

Abstract: A temperature measuring system comprising temperature measuring device, a computer program product suitable for simulating an operating behavior of such a temperature measuring device, and a temperature measuring device for non-invasively measuring a temperature of a medium in a pipe includes a sensor holder and a heat coupling element configured for producing a heat conducting path from a wall of the pipe to a first temperature sensor, wherein the heat coupling element is configured for adjusting the heat conducting path in a layered structure with components composed of different materials where, alternatively or supplementarily, the heat coupling element has an arcuate profile at least sectionally for the purpose of axially reversing the heat conducting path.

Abstract: A control unit, an operating method and a self-monitoring sensor which is fastenable to a measurement object includes a holder projecting radially from the measurement object, wherein at least one sensor element is held in the holder and the sensor element is fixed by a compressive force exerted by an elastic element, where a first detector for detecting the compressive force is arranged in the region of the elastic element to monitor the installation of the self-monitoring sensor, where the self-monitoring sensor is initial provided in an active operating state, where the compressive force acting on the sensor element is detected, where an improper installation state of the self-monitoring sensor is identified if the compressive force detected in the second step falls below an adjustable threshold value, and where a warning about the improper installation state is output to a user and/or a superordinate control unit.

Abstract: A temperature measuring system comprising temperature measuring device, a computer program product suitable for simulating an operating behavior of such a temperature measuring device, and a temperature measuring device for non-invasively measuring a temperature of a medium in a pipe includes a sensor holder and a heat coupling element configured for producing a heat conducting path from a wall of the pipe to a first temperature sensor, wherein the heat coupling element is configured for adjusting the heat conducting path in a layered structure with components composed of different materials where, alternatively or supplementarily, the heat coupling element has an arcuate profile at least sectionally for the purpose of axially reversing the heat conducting path.

Abstract: A method for calibrating a temperature measuring device, a computer program product for simulating an operating behavior of the temperature measuring device and a temperature measuring device for non-invasively measuring a temperature of a medium in a tube, wherein the temperature measuring device includes first and second temperature sensors that are accommodated in a sleeve that has a closure for contacting a wall of the tube.

Abstract: A temperature measurement facility for determining a medium temperature of a medium from first and second temperatures at a location immediately around a surface surrounding the medium includes a first and second sensors for determining the first and second temperatures, and a measured value processor connected to the first and second sensors by a first and second feed lines and which provides, cyclically over time, at a measurement interval the first and second temperatures as the measured value for determining the medium temperature, wherein an evaluator is configured to determine a rate of change, from a difference between the first and second temperatures, and depending on its value configured to provide a quality feature, and is further configured to transmit the quality feature, as an evaluation of a measurement accuracy of the medium temperature, together with the measured value of the medium temperature, to a higher-level system.