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Laser Sensors-Nomenclature

What is the terminology for laser sensors?

Laser sensor terminology:

① Measurement distance: the absolute position value that the sensor can detect;

② Measurement range: the difference between the maximum distance and the minimum distance that the sensor can detect;

③ Measurement accuracy: the difference between the sensor's measured value and the actual value;

④ Repeatability: the deviation value of the sensor's multiple measurements;

⑤ Definition of resolution: the true resolution is the smallest change value that the distance value can be stably detected. In order to detect a change in the distance value, the laser-converted signal must be clearly distinguishable from the noise signal. In practical applications, it is both the ability to detect vibration or deformation;

(vi) Definition of re-reading accuracy: i.e. reproducibility, meaning the deviation value of multiple measurements in the same external and measuring environment. In practical applications the accuracy of position control or the repeatability of multiple measurements;

(7) Definition of linearity: The maximum error between the output signal and the desired direct measurement value. Deviation values and typical errors may still exist. It is recommended to adjust the range of the output signal according to the different practical applications;

⑧ Definition of accuracy: Measurement accuracy refers to the error between the maximum acceptable measurement value and the true distance value when the ambient temperature is a constant.


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