SLIM Tach HS56 Magnetic Hollow Shaft Encoder

Magnetic Encoder with Max Bore 1-1/8″ Hollow-Shaft Mounting Designed to Survive Tough Environments

  • Hollow-Shaft Design with Heavy-Duty Bearings Ideal for TEFC AC Motor Mounting
  • Magneto-Resistive Technology
  • Accommodates Shaft Sizes from 5/8″ to 1-1/8″
  • Stainless Steel and Anodized Aluminum Construction
  • Dual Isolated Outputs Available for Redundancy

The NorthStar brand HS56 has been designed especially for maintenance, motor repair, and field personnel. It offers an unparalleled means of applying a leading edge digital encoder to motors and other devices that require an innovative method of installation such as mounting to motors or other equipment without c-face mounting provisions.

Feedback Type   –   Incremental
Technology         –     Magnetic
Mounting Configuration      –     Hollow Bore, direct mount over shaft with Rod style tether
Encoder Size (Flange)   –   >2.0″
Hollow Bore Size    –    5/8″-1 1/4″
Housing Material     –    Aluminum
Max. Operating Speed    –    3,600 RPM
Resolution    –    64-1024 PPR
Supply Voltage     –    5-26V, 5-15 VDC


  • DLD 4428
  • IC-WE
Approvals / Certifications     –    CE, ROHS
Operating Temperature Range      –     -20ºC to 80ºC
Storage Temperature      –      -40ºC to +120ºC
Enviroment      –     Non-Hazardous