Buy a Drive Product from Excel and We will Extend the Product Warranty by One Year !

Note: If we do the installation, there is 150 mile radius travel limit from our location on this offer. Negotiable travel allowance beyond that radius.

Excel Industrial Electronics offers a wide variety of high quality encoders/tachometers with expert technical support that you will experience with every interaction.

Encoder or Tachometer?

It is common to find that sometimes there is a bit of confusion between the terms. Both tachometers and encoders are designed to provide data about the movement of a motor shaft. However, tachometers measure speed and encoders measure position.

For sales inquiries and other questions, please give us a call now at 1.586.463.3811 or fill out the contact form on the right and we will respond promptly. Excel has the product knowledge and application experience to support you. We serve the worldwide marketplace.


We are an authorized System Integrator (SI) for Dynapar absolute encoders and rotary encoders. The Dynapar, Northstar, and Harrow brands have models for every encoder application. We can integrate them to suit your exact application and have provided optimal integrated solutions since 1981.



Dynapar Encoders and Accessories:

  • Rotary Encoders
  • Absolute Encoders
  • Incremental Encoders
  • Optical Rotary Encoders
  • Magnetic Rotary Encoders
  • Hollow-Shaft Encoders
  • Hub-Shaft Encoders
  • Shaft Encoders
  • Miniature Encoders
  • Hazardous Area Encoders
  • Non-Contact Encoders
  • Resolvers
  • Frameless Resolvers
  • Housed Resolvers
  • Encoder Accessories
  • Measuring Wheels
  • CPL Couplings
  • Encoder Cables

Our line features BEI Sensors providing an extensive range of products from standard off-the-shelf to completely customized solutions for any challenging application.

  • Incremental and Absolute Encoder Solutions
  • Rotary Optical Encoder Products
  • Magnetic Encoders
  • Hall Effect Non-Contact Position Sensors
  • Contact Potentiometers
  • Other Motion Control Products


Our line also features Avtron encoder products from Nidec Avtron Automation for use in a wide range of markets including optical, magnetic, absolute, incremental, and hazardous duty.

Sample Avtron Tachometer:

Avtron Brushless Tachometer BC42 and BC46 Upgrade


  • Easy, Maintenance Free Upgrade
  • Direct Replacement for All 5BC42, 5BC46 & 5BC66 Tachogenerators
  • Severe Mill Duty
  • Fits Existing Bolt Patterns
  • No Drive Configuration Changes Required
  • No Brushes, No Maintenance
  • Better Speed Regulation
  • Self-Diagnostic LED and Alarm Output
  • -40 C° to +120 C° Operation
  • 1 Year No-Hassle Warranty


We feature U.S. Digital, a designer and manufacturer of optical encoders, inclinometers, and motion control components. Their complete product line includes either absolute or incremental optical encoder, inclinometer products, stepper motors, PC interfaces, and digital readout.

(AS) Authorized Service, (D) Distributor, (SI) System Integrator, (VAR) Value-Added Reseller

Drive and Product Manufacturers