Miniature string pot sensors have measurement ranges up to 635mm

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Miniature string pot sensors have measurement ranges up to 635mmVariohm-EuroSensor is introducing the new SM1 and SM2 miniature string pot sensors (miniature cable extension linear sensors or draw wire sensors) from Celesco Inc. These feature versatile mountings and are suitable for space-restricted absolute linear position measurement of up to a 635mm range.

The ultra-compact SM1 and SM2 models feature a tough polycarbonate housing and a stainless steel measuring cable that has a durable nylon coating and requires no critical installation alignment. The sensors measure just 43 x 31 x 66mm and with four-point mounting are adapted for tight spaces through an integral bracket that allows four 90-degree opposed mounting orientations as well as front- and back-face fixing.

With a choice of four standard measurement ranges from 0-63.5 up to 0-635mm, the long-life plastic hy­brid potentiometer used in each model delivers a precise voltage di­vider output from a source voltage of up to 30V DC that is absolute and linearly proportional to the travel of the spring-loaded cable. The positioning resolution is essentially infinite with a repeatability of 0.05 per cent and accuracy between 0.25 per cent to 1 per cent of full scale, depending on the measurement range selected. The SM1 has solder terminals while the SM2 is supplied with a 1m cable.

At just 90g, an operating temperature range of -18 to 70degC and a retraction acceleration factor of up to 15 'g', the SM1 and SM2 will suit applications across automation and control, as well as structural testing. These string pot sensors can also be easily customised for travel range and mounting configuration, and, with economical pricing, will equally suit single-piece and OEM users.

Contact Variohm-EuroSensor for more information about the SM1 and SM2 miniature string pot sensors.

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