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Zettlex Ltd

Faraday House
40 Barrington Road
Foxton
Cambridge
CB22 6SL
UK

Telephone : +44 [0] 1223 874444
Fax : .+44 [0] 1223 874111
Email : info@zettlex.com
Web : http://www.zettlex.com/en/company


Article archive for Zettlex Ltd;

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The true cost of potentiometers 29 November 2012

Potentiometers are still, by far, the most commonly used position sensor. They are widely seen as the low cost solution for many position sensing applications.  But is their reputation for low cost justified? Mark Howard from Zettlex UK takes a holistic view on the cost of potentiometers, outlining some of the difficulties in changing from potentiometers to non-contact solutions and proposes some options....

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Measuring Position or Speed in Harsh Environments 28 February 2011

Harsh environments come in many forms but their common feature is that they place heavy demands on control equipment. The failure of position or speed sensors in the field can have a massive technical or commercial impact. If you are the engineer that specified the sensors in the first place, sensor failure might also have an impact on your career. So how do you make sure your sensors won’t let you down when the going gets tough? Mark Howard from Zettlex Ltd. examines the options....

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Incremental versus absolute sensors 15 December 2010

Most engineers still specify incremental position sensors because they think absolute versions are too costly. But the market has changed in recent years....

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Why do engineers dislike potentiometers? 29 November 2010

Potentiometers have been around for a long time and are still, by far, the most commonly used position sensor. So why does every design engineer seem to be looking for a non-contact alternative?...

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Measuring the rotation angle of large diameter shafts 21 October 2010

Traditional rotary encoders can be readily fitted to shaft diameters of less than 2 inches, but what happens if your design needs a much larger diameter through shaft or bore?...

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ATEX approved flow monitor 07 June 2010

Flow-Mon has launched an ATEX version of its flow monitor, which utilises i-MON loop-powered position transmitters from Zettlex. The position transmitters use a non-contact inductive technique to measure flow accurately and reliably, no matter whether conditions are hot, cold, damp or wet. The loop-powered units provide local, clear analogue indication of flow, as well as remote 4…20mA electrical signals....

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Fit-for-purpose at minimum cost 14 May 2010

With such a bewildering array of position sensors to choose from these days, how do design engineers ensure they select the right one? Mark Howard, general manager at Zettlex, outlines the main types of sensor and their respective strengths and weaknesses....