DIN EN 13490:2009-03

This European Standard is applicable to operator seats used on industrial trucks as defined in ISO 5053:1987 irrespective of power supply, type of equipment, lifting mechanism and tyres. It also applies to seats for other trucks not covered by ISO 5053:1987, e. g. variable-reach trucks and lowlift order picking trucks. This European Standard specifies, in accordance with EN 30326-1, a laboratory method for measuring and evaluating the effectiveness of the seat suspension in reducing the vertical wholebody vibration transmitted to the operator of industrial trucks at frequencies between 1 Hz and 20 Hz. This European Standard defines the input spectral classes required for industrial trucks of categories 1 to 6 according to EN 13059. This European Standard specifies performance criteria to be achieved by seats intended for each of the above-mentioned groups of machines. This European Standard is only concerned with the vertical component of whole-body vibration. Vibration which reaches the operator other than through his seat, for example that sensed by his feet on the platform or control pedals or by his hands on the steering-wheel, is not covered. Adaption of the informative Annexes to the New Approach Directive 2006/42/EC on machinery.