The THN (thin) transducer is a sophisticated electromechanically device that measures tension in any kind of continuous web. Suitable for use with either a no rotating (dead) shaft or a rotating (live) shaft, a THN transducer is mounted to each shaft end of an idler roll. Internally, semiconductor strain gages on a robust dual cantilever beam sense the force created by web tension.The design of the THN allows for wider roll faces than any other transducers and the narrow width of the THN (2.4 inches) allows it to be installed where other transducers simply won't fit. A single bolt (stud) attaches the THN to the machine frame and allows it to be oriented in any direction without requiring multiple bolthole patterns in the mounting surface. A removable clamp on the idler roll shaft coupling allows the roll to be removed without disturbing the transducers. It also permits installation and orientation of the THN transducers before the roll is installed, instead of installing all three as an assembly.
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