Position Sensor Offers Three Cable Tension Options

Variohm Eurosensor has introduced a cable extension linear position sensor from US distribution partner Celesco. The MT3A is suitable for precision distance measurement up to 750mm in potentially wet and severe application environments. The sensor features an O-ring-sealed and IP67-rated anodised aluminium enclosure with a polycarbonate cover and a nylon-coated stainless-steel measurement cable.

With a choice of three cable tension options to suit linear position measurement in acceleration conditions of 17g, 50g or 90g, it is suitable for demanding automotive/autosports and aerospace test applications such as crash testing, structural component evaluation and off-road suspension testing . An extended temperature range of -40C to +125C allows use in all-weather outdoor environments and, as the MT3A can withstand temporary immersion in water and washdown situations, its use across harsh industrial applications is also possible.

For extreme high-impact applications, an optional anodised aluminium cover is available. The conductive plastic-hybrid potentiometer sensor provides a voltage divider output from an input voltage up to 30VDC, with effectively infinite positioning resolution and full stroke accuracy up to +/-0.25 per cent and repeatability to +/-0.02 per cent. The MT3A features an integral two-axis 360deg freely rotating mounting bracket.

Measuring within a volume of less than 62 x 41 x 45mm, it can be installed in space-restricted areas. The sensor is available in four measurement ranges: 0-75mm, 0-225mm, 0-375mm and 0-750mm. Electrical connection is via strain-relief cable (4.5m or 9m in length) in a choice of end, top or side mounting. Customers can also specify a plain cover option to provide their own cabling arrangements.

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