A handheld apparatus for testing a sample of prepared food for allergens and/or food intolerance ingredients. An electronic identification tag comprising information on the type of disposable electrochemical test unit is embedded in the disposable electrochemical test unit.

A sensor arrangement for measuring properties of liquids and gases, including a probe, a probe holding element, the probe and the probe holding element configured to be connected to one another in a detachable manner, and a galvanically isolated interface that is formed by an inductive interface and/or a galvanically coupled interface, the galvanically isolated interface and/or the galvanically coupled interface being configured exclusively for energy transmission from the probe holding element to the probe. The sensor arrangement further includes at least one optical interface or at least one Bluetooth interface for bidirectional data transmission between the probe and the probe holding element.

A sensor system is disclosed. The system comprises: a solid substrate having a front side and a back side, a sensing assembly formed on the front side and being configured to provide electrochemical sensing, a plurality of electrical contacts, formed on the back side and being in electrical communication with the sensing assembly via a plurality of interconnects passing through the substrate and extending at least from the front side to the back side, and a mounting member configured for mounting the back side onto a tip of a movable device.

The invention relates to measuring devices for determining physical properties, chemical properties, biological properties and/or substances in the environment of at least one transducer or of the at least one transducer itself as a component of the particular measuring device. The measuring devices are in particular characterised in that they are simple and robust to control and their function can be influenced. For this purpose, the measuring device consists of at least one transducer as a component of a passive device and/or as a component of an active measuring functional unit. The active measuring functional unit further consists of a data-processing system and a transceiver unit for electromagnetic radiation, and is interconnected to an electric power source. Furthermore, the transceiver unit of the active measuring functional unit is wirelessly connected to at least one transceiver unit, for electromagnetic radiation, of at least one passive device that comprises at least one operating element, comprises at least one switch, is designed for controlling the measuring device, is designed for signalling, is designed for obtaining measured values, is designed for displaying an operating state, is designed for calibrating the transducer, is formed as a data medium, and/or is formed as a data store.

The present disclosure relates to the technical field of electrochemistry, and in particular, to a threadlike sensor, a wearable device and a method for fabricating the threadlike sensor. The threadlike sensor includes a thread core, an inner insulating layer, an outside electrode layer and an outer insulating layer. The inner insulating layer covers the thread core with two ends of the thread core being exposed by the inner insulating layer. The outside electrode layer is disposed outside the inner insulating layer. The outer insulating layer covers the outside electrode layer with two ends of the outside electrode layer being exposed by the outer insulating layer. One end of the threadlike sensor is a detection end configured for placement in a human body. The other end of the threadlike sensor is an interface end configured for external connection. The thread core and the outside electrode layer are configured for sensitivity testing.

The present invention relates to an electroanalytical instrument for determining by amperometry (eg chronoamperometry) the presence or quantity (eg concentration) of an analyte in an aqueous sample, comprising a sealed housing, an elongate pivotal arm mounted on the sealed housing, wherein the elongate pivotal arm houses a potentiostat, and a pivotal forearm joined pivotally to the elongate pivotal arm, which is connectable to an electrochemical sensor. By flexing the pivotal forearm, the electrochemical sensor may be electrically connected to the potentiostat. By flexing the elongate pivotal arm, the electrochemical sensor is immersed in the aqueous sample in the sealed housing.

A miniaturized sub-nanoampere sensitivity low-noise potentiostat system is disclosed herein. The system includes an adjustable bias analog front end/potentiostat, a plurality of high input impedance and high gain difference amplifiers, means for signal filtering, a high-resolution analog-to-digital converter, and a sampling algorithm.

A sensor interface for interfacing with a sensor such as an electrochemical sensor, a temperature sensor or the like in which the interface comprises a memory configured to store data received at the interface from a sensor. The sensor interface is configured to assess the difference between data values in the memory, and to transmit advertising packets at a rate dependent on the difference between the values. The sensor interface includes a volatile memory and a non-volatile memory. The volatile memory is configured to store data received at the sensor interface from a sensor. The non-volatile memory is configured to store data stored in the volatile memory. The sensor interface is configured such that: data received at the sensor is stored in the volatile memory forming stored data until the volatile memory is substantially full and then at least some of the stored data is transferred to the non-volatile memory.

The present disclosure relates to a sensor arrangement for use in process automation, having a sensor, comprising a first coupling body, having at least one sensor element for detecting a measurement value of the process automation, and a first interface for transmitting a signal dependent upon the measurement value, a connection element for transmitting the signal to a superordinate unit, comprising a second coupling body complementary to the first coupling body, having a second interface complementary to the first interface, wherein the first and second interfaces are designed for bi-directional communication between sensor and superordinate unit, where the sensor has at least one light source for transducing the signal dependent upon the measurement value into light of a color corresponding to the measurement value.

A microelectrochemical sensor includes an energy supply unit and a sensor unit. The energy supply unit is configured to generate electrical energy using a reference fluid. The sensor unit is configured to determine a concentration difference of a chemical species between a measuring fluid and the reference fluid. The measuring fluid has an unknown concentration of the species, and the reference fluid has a known concentration of the species. The sensor unit is electrically connected to the energy supply unit and is designed to determine the concentration difference using the electrical energy from the energy supply unit.