optical sensor

enDAQ
enDAQ Sensors | Vibration Datalogger | enDAQ Data Loggers
https://endaq.com
广告Shop enDAQ’s Selection Of Data Loggers, Accelerometers, and Sensors. Portable, Powerful & Easy-To-Use Vibration Data Loggers.
capacitec.com
Micro Displacement Sensor | Displacement Measurements
https://www.capacitec.com › displacement › sensor-probes
广告Cylindrical Probes, Button Probes, Thin Capacitive Sensors, & More.

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