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Originally designed for a precision feedback control loop on textile machinery, the Model 1388 Sprocket/Pulley Torque Sensor is an accurate method to measure processing torques. Coupled to any belt or chain driven stub shaft and monitored by a closed electrical circuit, machinery speeds and material feed rates can be precisely controlled. Used in an automation application to increase productivity and decrease power consumption. Rotary transformer with encoder option available.


  • 500 in-lb and 1000 in-lb capacities (standard
  • 0.1 % non-linearity and hysteresis
  • Reduced sensitivity to belt/chain tension loads on torque readings not to exceed maximum overhung moment
  • Elimination of torque error due to bearing losses in jack-shaft assembly
  • Measurements of torque “at the source”
  • Rotary transformer with encoder option available
Model 1388-102 Special Application Slip Ring Torque Tranducers


Model 1388-102 Sprocket Pulley Torque Transducer Datasheet Datasheet English 204KB
Torque Accessories Datasheet Datasheet English 577KB
Model 1388-102 External Wiring Diagram Technical Information English 161KB
Model 1388-102 Outline Drawing Technical Information English 82KB
White Paper: New Ways to Measure Torque White Paper English 193KB
Model 1388-102 Front View Photo English 91KB
T&M Torque Transducer Range Guide Product Range Guide English 3MB
T&M Overview Brochure Brochure English 413KB


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