Ultrasonic sensors have a clear edge

A SICK (UK) product story
Edited by the Engineeringtalk editorial team Dec 15, 2003

The UM range of ultrasonic noncontact sensors is designed for reliable detection and highly accurate distance measurement of materials including transparent film, glass and fluids.

The UM range of ultrasonic noncontact sensors is designed for reliable detection and highly accurate distance measurement of materials including transparent film, glass and fluids.

Ideal for high-speed manufacturing environments such as automotive and packaging, materials handling applications and specialised industries such as cement, the new UM ultrasonic sensors are unaffected by dirt, dust, steam or spray that pose problems for optical sensors.

They are also superior to other types of detector for difficult applications such as sensing transparent materials and detecting double sheets of film, and can cope with objects that change colour with no readjustment.

Able to operate as a proximity sensor or provide accurate distance measurement, the UM30 offers a choice of outputs including single or double switching digital or 4-20mA or 0-10V DC analogue.

It is available in a standard M30 nickel-plated brass housing in 127.5, 135.5 and 138.5mm lengths and connects via an M12, 5-pin plug.

There is a wide choice of scanning ranges - 30 to 1300, 350 to 3400 and 800 to 6000mm - and resolution is from as little as 0.36mm.

A unique temperature compensation sensor ensures that, unlike competing products, performance is unaffected by changes in operating temperature.

Whether it is used for the detection of transparent objects or measuring levels of liquid or bulk materials, the UM30 is simple to set up using Erwin Sick's "teach-in" automatic configuration mode.

Complementing the UM30, the UM18 is designed specifically to detect double sheets of material that are not completely glued together.

Housed in a compact, nickel-plated brass M18 body in 21 or 111.5mm lengths, the UM18 offers fully automatic configuration and requires no manual alignment or adjustment.

Able to detect double or misfed sheets of film, paper, corrugated cardboard and fine metal, the UM18 has two digital outputs.

With the launch of the UM range adding high performance ultrasonic detectors to Erwin Sick's range of photoelectric, inductive, capacitive, magnetic and cylinder sensors, the company can now provide the ideal sensing solution for any material or application.

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