Ultrasonic sensors transmit and receive sound waves in the ultrasonic range. The detected object reflects the sound waves and the distance information is determined via time of flight measurement. As opposed to photoelectric sensors, the colour, the transparency and the object’s surface shine do not play a role. Blister packages in packaging technology or transparent plastic bowls in the food industry can reliably be detected.
High performance
Even in operating conditions with heavy soiling, dust or mist, the sensors detect objects reliably and without interference. The ifm ultrasonic sensors in the M18 design provide a particularly small blind zone and long sensing ranges which are usually only achieved by sensors of a considerably larger design.
These sensors can be utilised for water, wastewater and waste applications as well.
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