– 2 – IEC 60068-2-52:2017 © IEC 2017
CONTENTS
FOREWORD ........................................................................................................................... 4
INTRODUCTION ..................................................................................................................... 6
1 Scope .............................................................................................................................. 7
2 Normative references ...................................................................................................... 7
3 Terms and definitions ...................................................................................................... 7
4 General description of the test ......................................................................................... 7
4.1 Description of each test condition ........................................................................... 7
4.1.1 General ........................................................................................................... 7
4.1.2 Salt mist .......................................................................................................... 8
4.1.3 Dry condition ................................................................................................... 8
4.1.4 Humid condition ............................................................................................... 8
4.1.5 Standard atmosphere ...................................................................................... 8
5 Test apparatus ................................................................................................................ 8
5.1 General ................................................................................................................... 8
5.2 Salt mist chamber ................................................................................................... 8
5.3 Humidity chamber ................................................................................................... 8
5.4 Standard atmosphere chamber ............................................................................... 9
5.5 Dry chamber ........................................................................................................... 9
6 Salt solution .................................................................................................................... 9
6.1 Preparation of the sodium chloride solution ............................................................. 9
6.2 pH adjustment ......................................................................................................... 9
6.2.1 Neutral salt solution ......................................................................................... 9
6.2.2 Acidified salt solution ....................................................................................... 9
6.3 Filtration ................................................................................................................. 9
7 Initial measurements ....................................................................................................... 9
8 Preconditioning ................................................................................................................ 9
9 Testing ............................................................................................................................ 9
9.1 Test chamber .......................................................................................................... 9
9.2 Arrangement of the test specimen(s) ..................................................................... 10
9.3 Conditions during salt mist .................................................................................... 10
9.4 Test methods ........................................................................................................ 10
9.4.1 General ......................................................................................................... 10
9.4.2 Test method 1 ............................................................................................... 10
9.4.3 Test method 2 ............................................................................................... 10
9.4.4 Test method 3 ............................................................................................... 10
9.4.5 Test method 4 ............................................................................................... 11
9.4.6 Test method 5 ............................................................................................... 11
9.4.7 Test method 6 ............................................................................................... 11
9.4.8 Test method 7 ............................................................................................... 11
9.4.9 Test method 8 ............................................................................................... 11
9.5 Test cycles for test methods 1 to 8 ........................................................................ 11
9.6 Removal of the test specimen(s) ........................................................................... 12
10 Recovery (at the end of testing) ..................................................................................... 12
11 Final measurements ...................................................................................................... 13
12 Information to be given in the relevant specification ....................................................... 13
Copyright International Electrotechnical Commission
Provided by IHS Markit under license with IEC
Not for Resale, 12/03/2017 22:43:45 MST
No reproduction or networking permitted without license from IHS
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