the model 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 model tr1 is both easy-to-use and compact. its spring-loaded torsion arm offers adjustable torsion load, allowing the model 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 model tr1 housing is a durable, conductive composite material that minimizes static buildup. with operating speeds up to 3000 feet per minute and a wide variety of configuration options, it’s easy to see the model tr1 tru-trac™ is the ideal solution for countless applications. and when you order from epc, the standard lead time is just 4 – 6 days, with expedite options available. get your encoders in days, not weeks.