Digital SUL Unit




Test Equipment

Test Type

Performance, Measurement / Metrology

Digital SUL Unit


The Digital Squareness Under Load unit tests compression springs for the accuracy of grinding and to determine the true performance of a ground end spring when functioning at its operational load or compressed height.

Squareness Under Load testing is simple with the LINK DSUL. The operator merely needs to apply the test load and read the resultant angle on the Model 3700 Display Module.


  • Squareness under load


Encoders 1500 ppr (2)
Platen size 76 mm (3 in)
Compatible Spring Tester Models Models T4B and EL4


Key Benefits

  • 1500 ppr encoders for accurate measurement
  • Large platen accommodates a variety of spring diameters

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