The sensors detect items as small as 1.6 mm (0.06") rod dia at a distance of 38 mm (1.5").
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A new ultrasonic series of 18-mm, cylindrical proximity sensors is now available from Hyde Park Electronics (Dayton, OH). Applications for the Model SM600/SM650 include cap presence and/or tilt detection, fill-level check, nonmetallic container counting, fill-tube presence monitoring, downed container detection and case inspection.
The sensors detect items as small as 1.6 mm (0.06") rod dia at a distance of 38 mm (1.5").