Textile Durometers

HPSA-R Printing Roller Durometer


HPSA-R Printing Roller Durometer is used for rubber rollers, for cots, pressure rollers, and many other rubber-coated rollers, etc. The correct Shore A hardness of the cots is a critical factor to get the desired yarn structure and quality. As cots are abrasive, the hardness should be checked from time to time as they age.

Models Available

HPSA-R20
roller diameters up to 1.57″ / 40mm
HPSA-R35
roller diameters up to 2.75″ / 70mm
HPSA-R55
roller diameters up to 4.33″ / 110mm

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Features

  • Constant-pressure indicating system assures uniform test pressure eliminating false readings due to differences between operators.
  • Supplied in a foam-fitted carrying case.
  • Operation is as easy as pressing the spring-loaded knurled aluminum shell down to the red line.
  • Standard Memory Pointer to capture peak measurement.

Specifications

Work Face Radius HPSA-R20 - 20mm/HPSA-R35 - 35mm/HPSA-R55 - 55mm
Indenter Cone 35°, 1.3 mm ⌀
Typical applications Hardness of elastomers and rubber etc.
Depth of indentation 0 - 2.5 mm
Test pressure Approx. 12.5 N
Measuring spring force 0.55 - 8.065 N
Display range 0 - 100 Scale
Scale diameter 56 mm
Working face 16 mm ⌀ = 2 cm²
Weight, net (gross) approx. 300 g (500 g)
Dimensions 50 x 50 x 110 mm (L x W x H)

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