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Counting of Cannulae for Syringes with Through-Beam Sensor

Before packaging cannulae for syringes in the pharmaceutical industry, it must be ensured that each packaging unit contains the correct number of objects. For this purpose, a through-beam sensor is installed on the cannulae feed rail, which, thanks to a collimated laser light beam, detects and counts parts of less than one millimeter in height and width. The light barrier detects the objects regardless of their shape, color or surface – even at high speeds. The small 1K format allows installation in tight feed or conveying systems. After counting, the cannulae are placed in the trays.

Through-Beam Sensors

Through-beam sensors detect and count small parts, detect the edges of objects and monitor passages in systems. The emitter and receiver are housed in separate housings according to the through-beam mode. The sensor switches as soon as an object interrupts the laser light, red light or infrared light.

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