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MAGPOWR CSR Tension Sensing Roller

  • Fast and easy installation
  • Optional readout in end of roll
  • Optional integrated RPM sensor
  • Flange and stud mount
  • Flange mount with through frame pigtail
  • Several diameters available between 80 and 152 mm (3.15 to 6 inches)
  • Roller materials in Aluminum, Steel and Stainless Steel
  • Seven load ratings
  • Lengths from 250 to 1000 mm (9.9 to 39.4 inches)
  • Force measurement in positive or negative direction
  • Optional integrated display offers display of actual tension on end of roller, weightless load cell calibration, 0 to 10 VDC output, digital filter of output and re-zero button
  • Five times overload protection in both force directions
  • Works as a stand-alone unit or with any MAGPOWR tension amplifier or tension control

The MAGPOWR CSR series is a cantilevered tension
sensing roller that uses tension sensors embedded in the roller to provide a signal proportional to tension in any unwind, rewind or intermediate web processing application.

When installed in place of a standard machine idler roller, the CSR tension sensing roller delivers precise web tension measurement with low temperature drift due to a full Wheatstone bridge construction on each load cell inside the roller.

CSR Tension Sensing Roller Specifications

  • Gage Resistance350 ohms nominal
  • Excitation Voltage10 VDC maximum
  • Output Signal2.1 mV/V, 21 mVDC maximum, 0-10 VDC (when powered)
  • Combined Nonlinearity and Hysteresis0.5% of full scale maximum
  • Temperature Effect on Zero0.02% of rating per °C
  • Overload Stops Engagement105% to 200% of full load rating
  • Operating Temperature-30 to 60° C-22 to 140˚ F
  • Overload Protection5X full load rating
  • Repeatability0.2% of full scale maximum
  • Load Ratings50, 100, 250, 500, 750, 1000, 2200 Newtons 11, 23, 56, 112, 169, 225, 495 pounds
  • ConstructionStainless steel center shaft, aluminum, steel and stainless steel roller body
  • Roller Diameters80, 89, 102, 127 and 152 mm3.15, 3.5, 4, 5 and 6 inches
  • Deflection at Full Load0.15 mm to 0.17 mm0.005 to 0.007 inch
  • Climate Class3K3 (EN60721)
  • Certifications
  • MAGPOWR Mating Cable
    CSRBL series with straight connector
    CSRCBLRA series with 90 degree connector
  • RPM Pulse Output Switch2 pulses per revolution, 30 VDC maximum, 25 mADC maximum



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MAGPOWR Engineers have developed software to help you select the best clutch, brake or load cell for your application. Contact us at +1.405.755.1600 to verify sizing or ask questions.

Click here to download the software.
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