ISO INTERNATIONAL STANDARD 9022-8 Secondedition 2015-03-01 Optics and photonics Environmental test methods - Part 8: High internal pressure, low internal pressure, immersion Optique et photonique - Methodes d'essais d'environnement - Partie8:Pressioninterneélevee,pressioninternefaible,immersion Referencenumber IS09022-8:2015(E) @IS02015 Copyright Interr ational Organization for Standardizatiot vided by IHS IS09022-8:2015(E) COPYRIGHTPROTECTEDDOCUMENT @ISO2015 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in anyform written permission. Permission can be requested from eitherISO at the address below or ISO's member body in the country of the requester. ISO copyright office Case postale 56.CH-1211Geneva 20 Tel. +4122 749 0111 Fax+41227490947 E-mail copyright@iso.org Web www.iso.org Published in Switzerland national Organizatinfor Standardizaion IS02015-Allrightsreserved No reproductie ion or networking permitedwithout license from IHS IS0 9022-8:2015(E) Contents Page Foreword ..iv Introduction. ..i. 1 Scope.. 2 Normativereferences ..1 3 General informationandtestconditions. .1 4 Conditioning. .1 4.1 Conditioning method 80: High internal pressure .1 4.2 Conditioningmethod 81: Low internal pressure 1 4.3 Conditioningmethod82:Immersion. .2 5 Procedure .2 5.1 General 2 5.2 Conditioning method 82: Preconditioning of specimen and initial test 2 5.3 Conditioningmethods80and 81:Pressurechangecurve. 2 5.4 State of operation 2 3 5.5 Conditioning method 82:Recovery and final test .3 5.6 Conditioning method 82: Evaluation. .3 6 Environmentaltestcode .3 7 Specification .3 AnnexA(informative)Explanatorynotes .5 ili icer sity of Albert /5966844001, User=asdasd,allkk without licensefrom IHS