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1. Measuring probe comprising a housing and a measuring head accommodated in the housing, wherein at least one communications interface is provided on the housing and communicates with a circuit arranged in the housing, the circuit comprising at least one microcontroller and at least one multiplexer, wherein data are transmittable by the circuit by means of at least two different communication protocols by way of a common communications interface, wherein the communications interface is a USB-C interface, characterized in that the communications interface comprises at least one first voltage contact and at least two data contacts, wherein the multiplexer is coupled to the communications interface and the microcontroller, wherein the multiplexer is configured as a function of a first voltage amplitude present at the at least one first voltage contact in accordance with at least one first communication protocol or one second communication protocol, so that data are transmittable by means of the at least two data contacts using the configured communication protocol from the microcontroller to an external device which can be connected via the communications interface, and wherein at least one USB-to-serial converter is provided, wherein the multiplexer is configured in accordance with at least the first and the second communication protocol either on the basis of the microcontroller alone or on the basis of the microcontroller and the USB-to-serial converter.
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