EN ISO 3744:1995
ISO 11094:1991
In case of dispute, measurements shall be carried out in the open air on the artificial surface (point 4.1.2 of ISO 11094:1991)
K 2A = 0
The value of the constant K 2A, determined without the artificial surface and in accordance with Annex A to EN ISO 3744:1995 shall be ≤ 2,0 dB, in which case K 2A shall be disregarded
ISO 11094:1991
If the wheels of the lawnmower could cause a compression of the artificial surface of more than 1 cm, the wheels shall be placed on supports so that they are level with the artificial surface before compression. If the cutting device cannot be separated from the driving wheels of the lawnmower, the mower shall be tested on supports with the cutting device operating at its maximum speed laid down by the manufacturer. The supports shall be made in such a way that they do not influence the measurement results
ISO 11094:1991
ISO 11094:1991