The Sick CQ28-10NNP-KW1S01 Proximity Sensor offers a Rectangular, 1 mm ... 10 mm sensing range, Non-flush installation type, NC or NO NPN output, and Cable with connector M12, 3-pin, 2 m connection. Manufactured by Sick under the Sick Proximity Sensor category, this model belongs to the IME Series.
Detection of water-based liquids with conductivity up to 50 mS/cm; container diameter: min. 8 mm; container thickness: 0.5 mm ... 6 mm (plastic), 0.5 mm ... 4 mm (glass)