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I NTER NAT1 O NAL IS0
STANDARD 5131
First edition
1982-04-01
AMENDMENT 1
1992-1 2-01
Acoustics - Tractors and machinery for
agriculture and forestry - Measurement of
noise at the operator's position - Survey
method
AMENDMENT 1 : Annex D - Forestry forwarders
and skidders
Acoustique - Tracteurs et matériels agricoles et forestiers - Mesurage du bruit au
poste de conduite de l'opérateur - Méthode de contrôle
AMENDEMENT 1: Annexe D - Débardeuses et débusqueuses forestières
Reference number
IS0 5131 : 1982/Amd.l: 1992 (E)
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IS0 5131 : 1982/Amd.l : 1992 (E)
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Foreword
IS0 (the International Organization for Standardization) and IEC (the International
Electrotechnical Commission) form the specialized system for worldwide standardiz-
ation. National bodies that are members of IS0 or IEC participate in the development
of International Standards through technical committees established by the respective
organization to deal with particular fields of technical activity. IS0 and IEC technical
committees collaborate in fields of mutual interest. Other international organizations,
governmental and non-governmental, in liaison with IS0 and IEC, also take part in the
work.
Draft International Standards adopted by the technical committees are circulated to
the member bodies for voting. Publication as an International Standard requires
approval by at least 75 % of the member bodies casting a vote.
1 to International Standard IS0 5131 : 1982 was prepared jointly by
Amendment
Technical Committees ISO/TC 43, Acoustics, and ISO/TC 23, Tractors and
machinery for agriculture and forestry.
This annex forms an integral part of IS0 5131.
O IS0 1992
All rights reserved. No part of this publication may be reproduced or utilized in any form or by any
means, electronic or mechanical, including photocopying and microfilm, without permission in
writing from the publisher.
International Organization for Standardization
56 O CH-121 1 Genève 20 Switzerland
Case postale
Printed in Switzerland
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IS0 5131 : 1982/Amd.l : 1992 (E)
Acoustics - Tractors and machinery for agriculture
and forestry - Measurement of noise at the operator's
position - Survey method
AMENDMENT 1 : Annex D - Forestry forwarders and skidders
Insert the following annex after annex C.
O
Annex D
(normative)
Forestry forwarders and skidders
0.1 Definitions
D.1.1 forwarder: A self-propelled machine, usually self-loading, designed to transport trees or parts of trees by carrying them
completely off the ground.
D.1.2 skidder: A self-propelled machine designed to transport trees by dragging.
0 0.2 Machine operation
For these measurements, machines with pneumatic tyres shall be operated on a dry, horizontal, concrete or tarmacadam surface
...