PUBLISHED BY 
Vaisala Oyj  Phone (int.):  +358 9 8949 1 
P.O. Box 26  Fax:  +358 9 8949 2227 
FI-00421 Helsinki 
Finland 
Visit our Internet pages at 
www.vaisala.com. 
© Vaisala 2011 
No part of this manual may be reproduced in any form or by any means, electronic or 
mechanical (including photocopying), nor may its contents be communicated to a third party 
without prior written permission of the copyright holder. 
The contents are subject to change without prior notice. 
Please observe that this manual does not create any legally binding obligations for Vaisala 
towards the customer or end user. All legally binding commitments and agreements are 
included exclusively in the applicable supply contract or Conditions of Sale.