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Award for self-calibrating metal detector

metal detector

ConveyorTek has designed and manufactured a high-perfor­mance conveyor metal detector that can self-calibrate and work with steel cable conveyor belts.

How does it work?

The detector uses a pulse induc­tion technology which is gener­ated by creating a pulsing magnetic field with a series of sealed sense coils and excitation coils. Its main use is to protect plant machinery by detecting unwanted metals from travelling along a conveyor belt.

Where would it ideally be used?

The metal detector is mainly for use in materials processing appli­cations. It can also be used in conjunction with other metal sep­aration technologies to clean material so that an uncontami­nated end-product is produced.

How is it different?

It has been many years since a new conveyor metal detector has appeared on the UK market that has been truly innovative in its electrical technology, program­ming and housing materials.

This detector can self-calibrate and, uniquely, can ignore steel cable belts and rip detection sys­tems, while still detecting rogue metal pieces.

The assembly of the robust housing means it can be installed in less than 40 minutes.

The system comprises adjustable sensitivity; engineering and performance diagnostics; a series of extra alarm options and notifi­cations; and is arguably the most robust metal detector in the bulk handling market.

The electrical controls have an integrated HMI screen for ease of use. Its key points include detec­tion of ferrous and non-ferrous metals, and self-calibrating soft­ware.

It is available in widths from 600-2,000mm, and it is sin­gle-phase 110-240V.

What benefits does it offer?

As well as being extremely robust and virtually maintenance-free, customers will see reduced down­time and lower maintenance costs due to the equipment’s core func­tion of protecting machinery.

Where has it been used?

The metal detector was launched only recently, following two years of development. The company recently secured an order for a 2,000mm-wide system at a ‘super quarry’, which is due to be installed in the coming weeks.


Pricing will depend on individual application and specification.

Any savings?

Customers will see significant sav­ings on their plant maintenance bills and will benefit from reduced equipment downtime.

What about maintenance?

This self-calibrating detector is virtually maintenance-free because circuit boards and other important equipment are fully enclosed. The control panel is manufactured to IP65 standard and built to be water- and dust­proof.

Any future applications?

The metal detector is part of ConveyorTek’s increasing focus on metal separation products that have been introduced to comple­ment its conveyor system products.

The business manufactures a wide range of magnet metal separation and detection equipment for both ferrous and non-ferrous metals. Its core product range has been developed to work in a wide range of industries, including recycling.

How many have you sold and where?

The high level of detection capa­bilities ensure that the product is suitable for a range of industries – basically any materials process­ing application.

The sales order book is very healthy in to 2018, and, because the equipment can be flat-packed from manufacturing facilities in Lisburn, Northern Ireland, it can be shipped anywhere.

ConveyorTek currently exports 80% of its products manufactured to 15 countries, most recently sign­ing a dealership agreement for the Australian market.

Anything else?

The metal detector has already received industry recognition by winning the 2017 Materials Han­dling Engineers Association Inno­vation Excellence Award, and has been shortlisted for the Innova­tion Award at the Plant & Civil Engineer Awards.

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