ANNEX IIIMETHOD OF MEASUREMENT OF AIRBORNE NOISE EMITTED BY EQUIPMENT FOR USE OUTDOORS
PART BNOISE TEST CODES FOR SPECIFIC EQUIPMENT
25.HEDGE TRIMMERS
Basic noise emission standard
EN ISO 3744:1995
Test area
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)
Environmental correction K2A
Measurement in the open air
K2A = 0
Measurements indoors
The value of the constant K2A, determined without the artificial surface and in accordance with Annex A to EN ISO 3744:1995, shall be ≤ 2,0 dB, in which case K2A shall be disregarded
Measurement surface/number of microphone positions/measuring distance
ISO 11094:1991