Sensors & Transducers


Draw wire encoders for harsh environments

March 2006 Sensors & Transducers

Kübler is offering a line of industrial draw wire encoders. These rugged transducers are a cost effective way to measure linear displacements from 1 to 40 m in demanding industrial environments. Common applications include crane operation, elevators, forklifts and scissor jacks. With an expected life of up to a million cycles, the robust Kübler draw wire encoders are suited to these harsh environments.

Draw wire transducers use a drum on which a measuring wire is wound. A rotary encoder or potentiometer is connected to the spring-loaded drum, which automatically retracts the wire to an angular position.

The Mini Draw Wire D5 is available in either 1 or 2-m lengths with incremental or analog outputs. The longer length units (series D8) are offered in lengths from 2 to 40 m and are available with either incremental, absolute or fieldbus outputs. Virtually any 58 mm Kübler encoder can be installed onto the D8 style draw wire housing, giving the customer a wide array of solutions for any design requirements. All of the draw wire encoders also have temperature and ageing compensation, as well as short-circuit and reverse polarity protection.



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