Convert rotation into length
EPC linear measurement solutions
Compare travel, resolution, linearity, wheel or cable, return force, mounting and environment for reliable measurement.

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Integrated wheel, rack-and-pinion or draw-wire systems for length, position and linear travel.
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Indexed Encoder Products Company series
Explore Encoder Products Company series and find a solution suited to your technical requirements.

Encoder Products Company series
Tru-Trac TR1
The Model TR1 Tru-Trac® linear measurement solution is a versatile option for tracking velocity, position, or distance over a wide variety of surfaces. An integrated encoder, measuring wheel, and spring-loaded torsion arm in one, compact unit, the Model TR1 is easy to install. The 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. With operating speeds up to 3000 feet per minute, a wide variety of configuration options – including multiple wheel material options – and a housing made from a durable, conductive composite material that minimizes static build up, the Model TR1 Tru-Trac® is the ideal solution for countless applications.Open series
Encoder Products Company series
Tru-Trac TR2
The Model TR2 Tru-Trac® linear measurement solution is a versatile option for tracking velocity, position, or distance in almost any application. The Model TR2 and features an integrated encoder and spring-loaded torsion arm with a rack-and-pinion gear assembly. Using the rack-and-pinion gear system, encoder readings can be obtained with repeatable positioning, providing excellent accuracy. Racks can be ordered in varying lengths, and with the accessory spacer block, multiple lengths of rack can be joined for easy installation. The spring-loaded torsion arm provides easily adjustable torsion load, giving the Model TR2 all the flexibility and maneuverability of the original Model TR1 Tru-Trac®. It can also be installed in a horizontal, vertical, or upside down position, and the threaded shaft on the Model TR2's pivot axis is field reversible, providing mounting access from either side, and its durable conductive composite housing material reduces static build up.Open series
Encoder Products Company series
Tru-Trac TR3
The Model TR3 Heavy Duty Tru-Trac® is an integrated heavy duty encoder and spring-loaded measuring wheel assembly all in one, easy-to-use, compact unit. Available in both single and optional dual-wheel format, the Model TR3 is a versatile solution for tracking velocity, position or distance over a wide variety of surfaces in many industrial applications. Its spring-loaded torsion arm provides a simple-to-adjust torsion load, allowing the Model TR3 to be mounted in any orientation, even upside-down. The Model TR3 housing is an all-metal work horse, specifically designed to take on your toughest application environments at operating speeds up to 3000 feet per minute.Open series
Encoder Products Company series
PLMS
The Programmable Linear Measurement Solution is a flexible, robust measurement solution that can be fine tuned to meet the exact requirements of your application.Open series
Encoder Products Company series
LCX Draw Wire
The LCX Series of Draw Wire Solutions is manufactured for EPC by our German technology partner. Get Model LCX Draw Wire Solutions here.Open series
Encoder Products Company series
LCE
EPC is a leading manufacturer of premium rotary incremental and absolute encoders. Shop EPC for Model LCE Linear Measurement Solution Encoders here!Open seriesOfficial documentation
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