Sensors improve reliability for aluminium producer

A Contrinex UK product story
Edited by the Engineeringtalk editorial team Nov 9, 2007

Series 700 sensors can withstand extreme impact, high shock levels and are resistant to virtually any chemical stress.

Hydro Aluminium is using Contrinex stainless steel sensors to improve system reliability at its production plant at Birtley near Newcastle.

When an automated storage-still facility, located inside a fenced-off personnel-free zone, developed reliability issues, Tony Horvath, Maintenance Team Leader at Hydro Aluminium, turned to W Mearns for a solution.

The sensors fitted to the existing handling system had insufficient spare sensing range to reliably detect the lifting-point flanges.

In addition, due to the variations of these flanges, the sensors also suffered failure due to collision damage, causing further system malfunctions.

W Mearns recommended using series 700 all-stainless steel sensors.

Because this Contrinex range is form-fit and functionally compatible with the existing sensors, there were minimal adjustments required to fit the new sensors.

In addition, series 700 sensors have triple sensing distance on all metals so the Contrinex sensors always detect the lifting flanges, despite variations in position and angle.

The sensors can withstand extreme impact, high shock levels and are resistant to virtually any chemical stress.

The use of patented, sensor technology known as Condet produces a sensing distance that is, size for size, three times that of conventional sensors and is stable over its full temperature range from -25C to +85C.

They are supplied in M8, M12, M18 andm30 sizes, in embeddable and nonembeddable plus cable or pluggable formats with a built-in LED plus short circuit, voltage reversal and overload protection.

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