NorthStar™ Brand RIM Tach™ HS85 Magnetic Hollow Shaft Encoder

Magnetic Encoder with Max Bore 4-1/2" Hollow-Shaft Mounting Designed to Survive Tough Environments

  • Hollow-shaft Design Mounts Easily to Large Motor Shafts, up to 4.5” in Diameter
  • Magneto-Resistive Technology with Removable On-The-Fly Sensor Modules
  • Multiple Bore Sizes Available, Including Tapered Shafts
  • Stainless Steel and Ductile Cast Iron Construction

RIM Tach HS85 Magnetic Hollow Shaft Encoder
This product has been discontinued and replaced by the RIM Tach HT85 Magnetic Encoder.
Please view HT85 page or consult factory for a replacement.
  • Technical Data
The NorthStar™ brand RIM Tach™ HS85 is a mill duty, digital tachometer that accommodates large thru-shaft sizes (up to 4.5 inches or 115mm) and can easily mount to most AC or DC fan cooled motors. This digital tachometer offers the reliability, resolution, and flexibility characteristics for which NorthStar products are known.
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 1 1/8"-4 1/2"
Housing Material Cast Iron/Stainless Steel
Max. Operating Speed 3,600 RPM
Resolution 60-1200 PPR
Supply Voltage 5-15VDC, 15-26VDC
Interfaces DLD 4428
Approvals / Certifications CE, ROHS
Operating Temperature Range -20ºC to 70ºC
Storage Temperature -40ºC to +120ºC
Enviroment Non-Hazardous
  • Pulp & Paper
  • Steel Mills
  • Vector Motor
  • Motor and Drive Speed Feedback
  • Extruders
  • Pickling Equipment
  • Processing Equipment
  • Paper Machines
  • Line shaft / belt driven equipment
  • Cranes
  • Test Stands