AS 60068.2.17-2003

1 - AS 60068.2.17-2003 ENVIRONMENTAL TESTING - TESTS-TEST Q: SEALING
4 - PREFACE
5 - CONTENTS
8 - SURVEY OF SEALING TESTS
11 - 1 Definitions
11 - 1.1 Leak rate
11 - 1.2 Standard leak rate
11 - 1.3 Measured leak rate (R)
11 - 1.4 Equivalent standard leak rate (L)
11 - 1.5 Time constant (of leakage) (theta)
11 - 1.6 Gross leak
12 - 1.7 Fine leak
12 - 1.8 Virtual leak
12 - 1.9 Leakage meter (Test Qm)
12 - 1.10 Volume of measurement [Vm](Test Qm)
12 - 1.11 Leak detector (Test Qm)
12 - 1.12 Probing [sniffing: deprecated term] (Test Qm)
12 - 2 Test Qa: Sealing of bushes, spindles and gaskets
12 - 2.1 Object
12 - 2.2 Scope
12 - 2.3 General description of the test
12 - 2.4 Initial measurements
13 - 2.5 Conditioning
13 - 2.6 Final measurements
13 - 2.7 Information to be given in the relevant specification
13 - 3 Test Qc: Container sealing, gas leakage
13 - 3.1 Object
13 - 3.2 Scope
13 - 3.3 General description of the test
14 - 3.3.1 Test Method 1
14 - 3.3.2 Test Method 2
14 - 3.3.3 Test Method 3
14 - 3.4 Test Method 1
14 - 3.5 Test Method 2
15 - 3.6 Test Method 3
15 - 3.6.1 Step 1
15 - 3.6.2 Step 2
15 - 3.7 Information to be given in the relevant specification
16 - 4 Test Qd: Container sealing, seepage of filling liquid
16 - 4.1 Object
16 - 4.2 Scope
16 - 4.3 General description of the test
16 - 4.4 Severities
16 - 4.5 Preconditioning
16 - 4.6 Initial measurements
16 - 4.7 Conditioning
16 - 4.8 Final measurements
17 - 4.9 Information to be given in the relevant specification
17 - 5 Test Qt: Immersion
17 - 5.1 Object
17 - 5.2 General description of the test
17 - 5.3 Initial measurements
17 - 5.4 Preconditioning
17 - 5.5 Conditioning
18 - 5.6 Recovery
18 - 5.7 Final measurements
18 - 5.8 Information to be given in the relevant specification
19 - 6 Test Qk: Sealing tracer gas method with mass spectrometer
19 - 6.1 Object
19 - 6.2 Scope
19 - 6.3 General description of the test
20 - 6.4 Test Method 1 (for specimens not filled with helium during manufacturing)
20 - 6.4.1 Severities
20 - 6.4.2 Preconditioning
20 - 6.4.3 Initial measurements
20 - 6.4.4 Test parameters
20 - 6.4.5 Conditioning
21 - 6.4.6 Recovery
21 - 6.4.7 Final measurements
21 - 6.4.8 Gross leaks
21 - 6.5 Test Method 2 (for specimens filled with helium during manufacturing or for the requirements of this test)
21 - 6.5.1 Preconditioning
21 - 6.5.2 Initial measurements
21 - 6.5.3 Final measurements
22 - 6.5.4 Gross leaks
22 - 6.6 Test Method 3 (applicable to specimens to be mounted on bulkheads or panels)
22 - 6.6.1 Preconditioning
22 - 6.6.2 Initial measurements
22 - 6.6.3 Test
22 - 6.6.4 Final measurements
23 - 6.6.5 Information to be given in the relevant specification
25 - 7 Test Ql: Bomb pressure test
25 - 7.1 Object
25 - 7.2 Scope
25 - 7.3 General description of the test
25 - 7.4 Initial measurements
25 - 7.5 Conditioning
26 - 7.6 Recovery
26 - 7.7 Final measurements
26 - 7.8 Information to be given in the relevant specification
26 - 8 Test Qm: Tracer gas sealing test with internal pressurization
26 - 8.1 Object
26 - 8.2 Scope
27 - 8.3 General description of the test
27 - 8.3.1 Total method and local method
27 - 8.3.2 Test Method f: Cumulative test
27 - 8.3.3 Test Method 2: Probing test
27 - 8.4 Preconditioning
27 - 8.5 Conditioning
27 - 8.5.1 General
28 - 8.5.2 Test Method 1: Cumulative test
28 - 8.5.3 Test Method 2: Probing test
29 - 8.6 Information to be given in the relevant specification
29 - 9 Test Qy: Pressure rise sealing test
29 - 9.1 Object
29 - 9.2 Scope
29 - 9.3 General description of the test
29 - 9.3.1 Test method
29 - 9.3.2 Test equipment
30 - 9.3.3 Calculation of the leak rate R
30 - 9.3.4 Calibration of the test equipment
30 - 9.4 Information to be given in the relevant specification
32 - Annex A - Example of a test chamber for Test Qa
32 - A.1 Principle of operation
32 - A.2 Operation
33 - A.3 Calibration and accuracy
35 - Annex B - Guidance for Test Qc
35 - General
37 - Annex C - Guidance for Test Qd
38 - Annex D - Interrelation of test parameters for Test Qk
41 - Annex E - Guidance for Test Qk
44 - Annex F - Guidance for Test Ql
45 - Annex G - Guidance for Test Qm
45 - G.1 Influence of time
45 - G.2 Test Method 1: Cumulative test
46 - G.3 Test Method 2: Probing test
48 - Annex H - Guidance for Test Qy
48 - H.1 Details to be observed
48 - H.2 Evaluation of the volume of measurement

AS 60068.2.17-2003 identically adopts IEC 60068-2-17:1994 which indicates the interrelation between the various tests for sealing in Test Q of IEC 60068.

First published as AS 60068.2.17-2003.