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The TR1 Tru-Trac™ is a versatile solution for tracking velocity, position, or distance over a wide variety of surfaces in almost any application. An integrated encoder and spring-loaded measuring wheel assembly available in one, the TR1 is both easy-to-use and compact. Its spring-loaded torsion arm offers adjustable torsion load, allowing the TR1 to be mounted in almost any orientation — even upside-down. The threaded shaft on the pivot axis is field reversible providing mounting access from either side. The TR1 housing is a durable, conductive composite material that minimizes static build up. With operating speeds up to 3000 feet per minute and a wide variety of configuration options, it’s easy to see the TR1 Tru-Trac™ is the ideal solution for countless applications.