LVDT
Linear Variable Differential Transformer1 is a relative displacement sensor.
Calibration
Noise
Connection setup
Implemented location
References
H. Tariq et al., Nucl. Instrum. Methods Phys. Res. A 489 (1-3), pp. 570-576 (2002) ScienceDirect
Sometimes referred to also as Transducer which is more suitable in terms of electronics. (1)