Inductive sensor, amplifier for ring probe, cuboid-shaped, 32 mm high, plastic, ABS, DC 4-wire, 10...55 VDC, changeover contact, PNP output, terminal compartment, static output behavior, sensitivity adjustable via potentiometer, can be mounted in modular design together with various ring probes 10, 20, 40 and 65 mm, pulse length output min. 100 ms