Based on 45 years of field-proven reliability and performance, DRC incremental encoders are well known for fast and easy installation using industry-standard mechanical and electrical interfaces.
Choose from sealed or kit-style rotary encoders, kit-style linear encoders, or sealed linear length gauges, featuring:

• Optical encoder technology with LED light source for long life and highest performance
• Differential digital outputs with available zero reference
• Custom versions available for OEM applications

Specifications and Downloads

Sealed Rotary Shaft and Hollow Shaft Encoders

Rugged, reliable incremental rotary encoders in sealed metal housings, featuring:

• Industry-standard mechanical and electrical interfaces for bolt-in-place, "plug and play" installation
• Reliable, long-life designs with integral bearings and sealed metal enclosures
• Resolutions from 400 to 360,000 Counts Per Rev., with a wide range of shaft/coupling sizes, mounting options, connector styles, and cable lengths
• High accuracy, high temperature, high shaft load, and extra-high vibration-resistant models

Kit-Style Rotary Encoders for Motors

Reliable, easy to install incremental rotary encoders for motors, featuring:

• Sizes available for a wide range of shaft diameters
• Resolutions from 400 to 100,000 Counts Per Rev., with a wide range of shaft/coupling sizes

Kit-style Linear Encoders

Compact, easy-to-install incremental linear encoders, featuring:

• Screw-mount sensors
• Glass scales for accuracy and thermal repeatability
• Resolutions from 10µm to 0.5µm
• Measuring lengths up to 1.2m (48in)
• Center or end index (reference) marks

Sealed Linear Length Gauges

Linear length gauges are easy to mount and have a sealed linear encoder with a spring-loaded probe, and feature:

• Screw-mount housing mounts to any flat surface
• Integral high-precision linear guideway
• Glass scales for accuracy and thermal repeatability
• Resolutions from 2.5µm to 1µm

Custom Encoders

Available for OEM applications, packaged encoders can be engineered for:

• Unique customer shaft sizes, mounting configurations, and cable/connector requirements
• High resolution, temperature, and accuracy capabilities
• Unusual environmental requirement

For applications requiring shielded, high-resolution encoders, choose from over 24 models in the Mercury™ family of encoders for the following requirements:

• Higher resolution or accuracy
• High EMI environments such as linear motors
• Space constraints where the encoder will be located