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Pendulum Hardness Tester

Fully automated instrument for measuring pendulum hardness in accordance with the König and Persoz methods.

  • Automated design ensures reliable and repeatable measurement of coating hardness by reducing operator intervention
  • Motorized sample platform lifts the sample into the test position
  • Pendulum is positioned and released automatically
  • Automatic counter with signal when deflection is below 3° (König) or 4° (Persoz) respectively
  • Changeable from König to Persoz and vice versa with corresponding pendulum
  • Pre-assembled draft shield with easy access door
  • UL/CE/CSA certification
  • Compliant with ASTM D4366 and ISO 1522
  • Smallest sample size: 65mm x 75mm (2.6 x 3.0 inches)
  • Largest sample size: 102mm x 229mm (4.0 x 9.0 inches)

  • Maximum sample thickness : 8.5mm (0.33 inches)

  • Minimum sample thickness is limited by the rigidity of the sample.


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