S.L. 427.19 Art. 35air on the surface and in dB in which use in such the centre by a person air flow tested in both

LEAF COLLECTORS Basic noise emission standard

MSA EN ISO 3744:2000 Test area MSA ISO 11094:2002

In case od dispute, measurements shall be carried out in the open artificial surface (point 4.1.2 of MSA ISO 11094:2002)

Environmental correction K 2A Measurement in the open air = () K 2A Measurements indoors The value of the constant , determined without artificial K2A accordance with Anncx A to MSA EN ISO 3744:2000, shall be < 2.0 case shall be disregarded K 2A Measurement surface/number of microphone positions/measuring distance MSA ISO 11094:2002 Operating conditions during test

Mounting of equipment The leaf collector shall be positioned in the natural manner for normal a way that the inlet of the collecting device is situated (50 ± 25) mm above of the hemisphere; if the leaf collector is hand-held it shall be held either or by a suitable device Test under load

The leaf collector shall be operated at its nominal speed with the nominal in the collectiong device stated by the manufacturer

Period of observation The period of observation shall be at least 15 seconds Note: If a leaf collector can be also used as a leaf blower it shall be configurations, in which case the higher value shall be used