The pendulum test


This test measures dynamic coefficient of friction (CoF).

The test is designed to replicate a pedestrian heel strike, the point at which most slips occur.

When a pedestrian heel strikes a wet floor a fluid film is created between them, this can cause a slip.

This test works in wet conditions because it generates a similar fluid film between the slider and the floor.

It can be used to accurately test the slip potential on clean and dry or contaminated floors. The test also works with dry contaminants.

This is HSE's preferred method of testing, because it is portable and works in the conditions that slip accidents happen.
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