Smart ultrasonic reflex sensor Wenglor

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Wenglor introduces the U1KT001 ultrasonic reflex sensor, small as an enter key in a PC keyboard, with a large range of 400 mm. The device offers two independents switching outputs that can be taught in via teach-in or IO-Link in order to detect liquids, as well as dark, transparent or reflective objects at any of two switching points. These make it possible to precisely monitor minimum or maximum values when measuring fill-levels, distances and stack heights, even where interference factors prevail such as ambient light, fog or dust.

The sensor has a miniature housing of 32 x 16 x 12 mm, offering a measuring range of 30 up to 400 mm,  IP68 protection and a temperature range of -30° up to 60° C. The data storage function allows to easily duplicate at other sensors the saved setting, and the integrated temperature compensation offsets fluctuating ambient temperatures in order to assure constant and highly precise measured values. LEDs, visible all the way around, indicate the status of power supply and the two digital switching outputs. The second sensor output can also be used as a diagnostic output.

The ultrasonic sensor offers three operating modes for diverse applications: synchronous mode, essential for the scanning of large surfaces allowing to operate at the same time up to 40 sensors; multiplex mode, with up to 16 sensors that can alternatively emit pulses not influencing each other, advantageous especially when minimal space is available; and the through-beam operating mode, ideal for applications in which high switching frequencies and a large working range are required. In this case, two sensors (one emitter and one receiver) are arranged directly opposite each other or at an angle.

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