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Elcometer 3030 & 3040 Persoz & König Pendulum Hardness Testers

These instruments work on the principle that the damping time of a pendulum oscillating on a sample indicates the hardness. The amplitude of the oscillation reduces faster when the sample is soft.

The Persoz and König methods differ by the dimension, period and amplitude of the oscillation.

  • The Persoz test measures the time taken for the amplitude of oscillation to decrease from 12° to 4°.
  • The König from 6° to 3°.

Hence the König will take approximately half the time to test the same sample as the Persoz.

Available in 3 models: Persoz, König, and Persoz and König combined.

Standard equipment includes:

  • Hood to protect against draughts, fitted with a front door and a side opening to simplify sample handling.
  • Practical system to facilitate sample tightening and loading of pendulum, with automatic release.
  • Maximum sample dimensions: 200 x 110 x 15mm (7.85 x 4.33 x 0.6").
  • Accurate, automatic counting by photoelectric cell.
  • Digital display.
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