AS 3726.2-1989

1 - AS 3726.2-1989 ELECTROMECHANICAL COMPONENTS FOR ELECTRONIC EQUIPMENT-BASIC TESTING PROCEDURES AND MEASURING METHODS...
4 - PREFACE
5 - CONTENTS
6 - SECTION ONE – GENERAL EXAMINATION
6 - Scope
6 - 1. Test 1a: Visual examination
6 - 1.1 Object
6 - 1.2 General
6 - 1.3 Features to be examined
7 - 1.4 Method of visual examination
7 - 1.5 Details to be specified
7 - 2. Test 1b: Examination of dimension and mass
7 - 2.1 Object
7 - 2.2 General
7 - 2.3 Features to be checked
7 - 2.3.1 Outline dimensions
8 - 2.3.2 Mass
8 - 2.3.3 Clearance and creepage
8 - 2.3.4 Detailed dimensions
8 - 2.3.5 Gauging procedure
8 - 2.3.6 Special measurements
8 - 2.4 Measuring methods
8 - 2.5 Details to be specified
9 - SECTION TWO – ELECTRICAL CONTINUITY AND CONTACT RESISTANCE TESTS
9 - 3. Test 2a: Contact resistance – Millivolt level method
9 - 3.1 Object
9 - 3.2 General measuring requirements
9 - 3.3 Method of measurement
9 - 3.3.1 Measurement details
9 - 3.3.2 Test current and voltage
9 - 3.4 Measuring cycles
9 - 3.4.1 Measurement with direct current
10 - 3.4.2 Measurement with alternating current
10 - 3.4.3 More than one measuring cycle
10 - 3.5 Requirements
10 - 3.6 Details to be specified
10 - 4. Test 2b: Contact resistance – Specified test current method
10 - 4.1 Object
10 - 4.2 General measuring requirements
11 - 4.3 Method of measurement
11 - 4.3.1 Measurement details
11 - 4.3.2 Test current and voltage
11 - 4.4 Measuring cycles
11 - 4.4.1 Measurement with direct current
11 - 4.4.2 Measurement with alternating current
12 - 4.4.3 More than one measuring cycle
12 - 4.5 Requirements
12 - 4.6 Details to be specified
12 - 5. Test 2c: Contact resistance variation
12 - 5.1 Object
12 - 5.2 Mounting of the test specimen
12 - 5.3 General requirements
13 - 5.4 Measuring apparatus
13 - 5.5 Details to be specified
13 - 6. Test 2d: Circuit continuity at microvolt level (deleted)
13 - 7. Test 2e: Contact disturbance
13 - 7.1 Object
13 - 7.2 Mounting of the test specimen
13 - 7.3 Method of measurement
14 - 7.4 Requirements
14 - 7.5 Details to be specified
14 - 8. Test 2f: Housing (shell) electrical continuity
14 - 8.1 Object
14 - 8.2 General requirements
14 - 8.3 Test requirements
15 - 8.4 Details to be specified
15 - 9. Test 2g: Stability of contact resistance (deleted)
15 - 10. Test 2h: Resistance (earthing) from actuator to mounting bushing (surface)
15 - 10.1 Object
15 - 10.2 Method of measurement
15 - 10.3 Requirements
15 - 10.4 Details to be specified
16 - SECTION THREE – INSULATION TESTS
16 - 11. Test 3a: Insulation resistance
16 - 11.1 Object
16 - 11.2 Mounting of specimen
16 - 11.3 General requirements
16 - 11.4 Measuring methods
17 - 11.5 Details to be specified
17 - SECTION FOUR – VOLTAGE STRESSTESTS
17 - 12. Test 4a: Voltage proof
17 - 12.1 Object
17 - 12.2 Mounting of specimen
17 - 12.3 Test methods
17 - 12.3.1 Method A
17 - 12.3.2 Method B
18 - 12.3.3 Method C
18 - 12.4 Test requirements
18 - 12.5 Details to be specified
18 - 13. Test 4b: Partial discharge
18 - 13.1 Object
18 - 13.2 Preparation of the specimen
18 - 13.3 Test method
18 - 13.3.1 Test equipment
19 - 13.3.2 Test procedure
19 - 13.4 Requirements
19 - 13.5 Details to be specified
20 - 14. Test 4c: Voltage proof of pre-insulated crimp barrels
20 - 14.1 Object
20 - 14.2 Preparation of the specimen
20 - 14.3 Test method
20 - 14.4 Requirement
20 - 14.5 Details to be specified