This proximity sensor will allow you to detect a capacitive object at a distance of 4mm/ this sensor is often used to make flatness measurements of the 3D printer tray. It must be powered between 6 and 36V and will require level adaptation to work with 3.3V or 5V logic.

Features and characteristics

Voltage: DC 6-36V
Output current: 300mA
3 Yarns
Polarity: NPN
Dimension: M12x10x10x55mm
Detection distance: 4 mm
Output status: Normally open
Detection objects: Capacitive