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.