IEC 60068-2-17
Edition 5.0 2023-06
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Environmental testing –
Part 2-17: Tests – Test Q: Sealing
Essais d'environnement –
Partie 2-17: Essais – Essai Q: Etanchéité
IEC 60068-2-17:2023-06(en-fr)
®
IEC 60068-2-17
Edition 5.0 2023-06
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Environmental testing –
Part 2-17: Tests – Test Q: Sealing
Essais d'environnement –
Partie 2-17: Essais – Essai Q: Etanchéité
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 19.040
ISBN 978-2-8322-7133-9
® Registered trademark of the International Electrotechnical Commission
Marque déposée de la Commission Electrotechnique Internationale
®
Warning! Make sure that you obtained this publication from an authorized distributor.
Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agréé.
– 2 – IEC 60068-2-17:2023 © IEC 2023
CONTENTS
FOREWORD ........................................................................................................................... 6
1 Scope .............................................................................................................................. 8
2 Normative references ...................................................................................................... 8
3 Terms and definitions ...................................................................................................... 8
4 General ........................................................................................................................... 9
5 Test Qa: Sealing of bushes, spindles and gaskets ......................................................... 11
5.1 Object ................................................................................................................... 11
5.2 Scope of Test Qa .................................................................................................. 11
5.3 General description of the test .............................................................................. 11
5.4 Initial measurements ............................................................................................. 11
5.5 Conditioning .......................................................................................................... 11
5.6 Final measurements .............................................................................................. 11
5.7 Information to be given in the relevant specification .............................................. 11
6 Test Qc: Container sealing, gas leak ............................................................................. 12
6.1 Object ................................................................................................................... 12
6.2 Scope of Test Qc .................................................................................................. 12
6.3 General description of the test .............................................................................. 12
6.4 Test Method 1 ....................................................................................................... 12
6.5 Test Method 2 ....................................................................................................... 13
6.6 Test Method 3 ....................................................................................................... 13
6.7 Information to be given in the relevant specification .............................................. 14
7 Test Qd: Container sealing, seepage of filling liquid ...................................................... 14
7.1 Object ................................................................................................................... 14
7.2 Scope of Test Qd .................................................................................................. 14
7.3 General description of the test .............................................................................. 14
7.4 Severities .............................................................................................................. 14
7.5 Preconditioning ..................................................................................................... 15
7.6 Initial measurements ............................................................................................. 15
7.7 Conditioning .......................................................................................................... 15
7.8 Final measurements .............................................................................................. 15
7.9 Information to be given in the relevant specification .............................................. 15
8 Test Qf: Immersion ........................................................................................................ 15
8.1 Object ................................................................................................................... 15
8.2 General description of the test .............................................................................. 15
8.3 Initial measurements ............................................................................................. 16
8.4 Preconditioning ..................................................................................................... 16
8.5 Conditioning .......................................................................................................... 16
8.6 Recovery .............................................................................................................. 16
8.7 Final measurements .............................................................................................. 16
8.8 Information to be given in the relevant specification .............................................. 17
9 Test Qk: Sealing tracer gas method with mass spectrometer ......................................... 17
9.1 Object ................................................................................................................... 17
9.2 Scope of Test Qk .................................................................................................. 17
9.3 General description of the test .............................................................................. 17
9.4 Test Method 1 ....................................................................................................... 18
9.4.1 General ......................................................................................................... 18
IEC 60068-2-17:2023 © IEC 2023 – 3 –
9.4.2
Severities ...................................................................................................... 18
9.4.3 Preconditioning .............................................................................................. 20
9.4.4 Initial measurements ..................................................................................... 20
9.4.5 Test parameters ............................................................................................ 20
9.4.6 Conditioning .................................................................................................. 20
9.4.7 Recovery ....................................................................................................... 20
9.4.8 Gross leaks ................................................................................................... 20
9.4.9 Final measurements ...................................................................................... 21
9.5 Test Method 2 ....................................................................................................... 21
9.5.1 General ......................................................................................................... 21
9.5.2 Preconditioning .............................................................................................. 21
9.5.3 Initial measurements ..................................................................................... 21
9.5.4 Conditioning .................................................................................................. 21
9.5.5 Gross leaks ................................................................................................... 21
9.5.6 Final measurements ...................................................................................... 21
9.6 Test Method 3 ....................................................................................................... 22
9.6.1 General ......................................................................................................... 22
9.6.2 Preconditioning .............................................................................................. 22
9.6.3 Initial measurements ..................................................................................... 22
9.6.4 Conditioning .................................................................................................. 22
9.6.5 Final measurements ...................................................................................... 22
9.7 Information to be given in the relevant specification .............................................. 23
10 Test Ql: Bomb pressure test .......................................................................................... 23
10.1 Object ................................................................................................................... 23
10.2 Scope of Test Ql ................................................................................................... 23
10.3 General description of the test .............................................................................. 23
10.4 Initial measurements ............................................................................................. 24
10.5 Conditioning .......................................................................................................... 24
10.6 Recovery .............................................................................................................. 24
10.7 Final measurements .............................................................................................. 24
10.8 Information to be given in the relevant specification .............................................. 25
11 Test Qm: Tracer gas sealing test with internal pressurization ........................................ 25
11.1 Object ................................................................................................................... 25
11.2 Scope of Test Qm ................................................................................................. 25
11.3 General description of the test .............................................................................. 25
11.3.1 Total method and local method ...................................................................... 25
11.3.2 Corresponding leak rate ................................................................................ 25
11.3.3 Test Method 1: Cumulative test ..................................................................... 26
11.3.4 Test Method 2: Probing test ........................................................................... 26
11.4 Preconditioning ..................................................................................................... 26
11.5 Conditioning .......................................................................................................... 26
11.5.1 General ......................................................................................................... 26
11.5.2 Test Method 1: Cumulative test ..................................................................... 26
11.5.3 Test Method 2: Probing test ........................................................................... 27
11.6 Information to be given in the relevant specification .............................................. 28
12 Test Qy: Pressure rise sealing test ................................................................................ 28
12.1 Object ................................................................................................................... 28
12.2 Scope of Test Qy .................................................................................................. 28
12.3 General description of the test .............................................................................. 28
– 4 – IEC 60068-2-17:2023 © IEC 2023
12.3.1
Test method .................................................................................................. 28
12.3.2 Test equipment .............................................................................................. 28
12.3.3 Calculation of the leak rate R ......................................................................... 29
12.4 Calibration of the test equipment........................................................................... 30
12.5 Test time ............................................................................................................... 30
12.6 Evaluation of the volume of measurement ............................................................. 30
12.7 Information to be given in the relevant specification .............................................. 31
13 Information to be given in the test report........................................................................ 31
Annex A (informative) Example of an apparatus for Test Qa: Sealing of bushes,
spindles and gaskets ............................................................................................................ 33
A.1 Principle of operation ............................................................................................ 33
A.2 Operation of example apparatus ........................................................................... 34
A.3 Calibration and accuracy ....................................................................................... 35
Annex B (normative) Further requirements for Test Qc: Container sealing, gas leak ............ 36
B.1 General ................................................................................................................. 36
B.2 Test Method 1 ....................................................................................................... 36
B.3 Test Method 2 ....................................................................................................... 37
B.4 Test Method 3 ....................................................................................................... 37
Annex C (informative) Guidance on Test Qd: Container sealing, seepage of filling
liquid ..................................................................................................................................... 38
Annex D (informative) Interrelation of test parameters for Test Qk: Sealing tracer gas
method with mass spectrometer ............................................................................................ 39
Annex E (informative) Guidance on Test Qk: Sealing tracer gas method with mass
spectrometer ......................................................................................................................... 42
E.1 General ................................................................................................................. 42
E.2 Choice of the applicable severity........................................................................... 43
Annex F (informative) Guidance on Test Ql: Bomb pressure test ......................................... 46
Annex G (informative) Guidance on Test Qm: Tracer gas sealing test with internal
pressurization ....................................................................................................................... 47
G.1 Influence of time ................................................................................................... 47
G.2 Test Method 1: Cumulative test ............................................................................. 47
G.2.1 Sensitivity ...................................................................................................... 47
G.2.2 Specific advantages and drawbacks .............................................................. 47
G.3 Test Method 2: Probing test .................................................................................. 47
G.3.1 Sensitivity ...................................................................................................... 47
G.3.2 Specific advantages and drawbacks .............................................................. 48
Annex H (informative) Guidance on Test Qy: Pressure rise sealing test ............................... 49
Bibliography .......................................................................................................................... 50
Figure 1 – Family tree of all sealing tests .............................................................................. 10
Figure 2 – Typical installation for sealing test using the pressure rise test procedure ............ 29
Figure 3 – Pressure of volume of measurement versus time during the sealing test
using the pressure rise test procedure .................................................................................. 29
Figure A.1 – Chamber for sealing test (Test Qa) ................................................................... 33
Figure A.2 – Example of an apparatus for sealing test (Test Qa) ........................................... 34
Figure D.1 – Nomogram for determination of test parameters ............................................... 41
