How can I measure exposure to hand-arm vibration?

A simple way is to use the HAVi hand-arm vibration indicator. This device can be attached to the handle of any powered tool - such as chainsaw, hedge cutter or lawnmower - and will measure real-time exposure.

The vibration magnitude can be set and the anger/trigger time is measured via the Health & Safety Executive points system. The user is alerted when maximum exposure has been reached by flashing amber and red warning lights. The HAVi is self contained and quick to programme. Spaldings UK has added the device to its catalogue.

For product listings, reviews and buying advice for chainsaws, hedge cutters and pedestrian mowers, see whatkit.co.uk.


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