Sensor comprising a surface wave component
First Claim
1. A sensor (4) for detecting and transmitting measurement values via a measurement line (6) to an evaluation device (7) comprising a coded component (2), wherein the coding can be directly assigned to sensor-specific sensitivity values and the component (2) is a surface wave component and the coding can be scanned via the measurement line (6) in a similar manner as the measurement values.
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Abstract
The invention relates to a sensor (4) comprising a surface wave component (2) containing information relating to the sensitivity of the sensor. Said information can be consulted by means of a conventional measuring line (6) between an evaluation appliance (7) and the sensor (4). As said component (2) only comprises a small amount of information, for example three figures, it (2) can be very small, such that it can be integrated into a small sensor (4). The read sensor sensitivity can be automatically adjusted in the evaluation appliance (7). The information can be encoded on the surface wave component (2) by means of various reflectors (11) that can be frequency-selective.
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Citations
21 Claims
- 1. A sensor (4) for detecting and transmitting measurement values via a measurement line (6) to an evaluation device (7) comprising a coded component (2), wherein the coding can be directly assigned to sensor-specific sensitivity values and the component (2) is a surface wave component and the coding can be scanned via the measurement line (6) in a similar manner as the measurement values.
Specification