Tape position sensor in stainless steel
ASM has expanded its line of absolute linear position sensors with the new POSITAPE WB17KT series of stainless steel tape sensors with measurement ranges of 3500mm, 6500mm and 10000mm. This robust sensor features an extremely high service life in a very compact housing specifically designed for rugged and harsh environments.
ASM's WS cable extension sensors use a flexible, stainless steel cable that is wound with only a single layer around a cable drum. This drum is coupled to an angular sensing device such as a potentiometer or encoder for an electrical signal. Building upon this proven technology, the new POSITAPE series replaces the measurement cable with a thin, highly flexible stainless steel band.
The WB17KT operates in a similar manner as a tape measure. Advantages of this technology is the ability to have a long measurement range in a relatively compact housing, also the virtually unlimited life of the metal tape and its suitability for the use in confined locations where pulleys must be used. Due to the smooth surfaces of the tape, the risk of ice build up is reduced and an optional brush is available to wipe off debris from the tape as it is retracted.
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