{"id":240914,"date":"2024-10-19T15:46:29","date_gmt":"2024-10-19T15:46:29","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-61000-4-21995\/"},"modified":"2024-10-25T10:32:23","modified_gmt":"2024-10-25T10:32:23","slug":"bs-en-61000-4-21995","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-61000-4-21995\/","title":{"rendered":"BS EN 61000-4-2:1995"},"content":{"rendered":"
Provides test methods and defines ranges of test levels which will enable the immunity of electrical\/electronic equipment to electrostatic discharge phenomena to be determined.<\/p>\n
PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
---|---|---|---|---|---|---|---|
1<\/td>\n | BRITISH STANDARD <\/td>\n<\/tr>\n | ||||||
2<\/td>\n | Committees responsible for this British\ufffdStandard <\/td>\n<\/tr>\n | ||||||
3<\/td>\n | Contents <\/td>\n<\/tr>\n | ||||||
6<\/td>\n | Foreword <\/td>\n<\/tr>\n | ||||||
7<\/td>\n | Contents <\/td>\n<\/tr>\n | ||||||
9<\/td>\n | Introduction 1 Scope 2 Normative references <\/td>\n<\/tr>\n | ||||||
10<\/td>\n | 3 General 4 Definitions 4.1 degradation (of performance) 4.2 electromagnetic compatibility (EMC) 4.3 antistatic material 4.4 energy storage capacitor 4.5 ESD 4.6 EUT 4.7 ground reference plane (GRP) 4.8 coupling plane <\/td>\n<\/tr>\n | ||||||
11<\/td>\n | 4.9 holding time 4.10 electrostatic discharge; ESD 4.11 immunity (to a disturbance) 4.12 contact discharge method 4.13 air discharge method 4.14 direct application 4.15 indirect application 5 Test levels <\/td>\n<\/tr>\n | ||||||
12<\/td>\n | Table 1 – Test levels 6 Test generator 6.1 Characteristics and performance of the ESD generator <\/td>\n<\/tr>\n | ||||||
13<\/td>\n | 6.2 Verification of the characteristics of the ESD generator Table 2 – Waveform parameters 7 Test set-up <\/td>\n<\/tr>\n | ||||||
14<\/td>\n | 7.1 Test set-up for tests performed in laboratories <\/td>\n<\/tr>\n | ||||||
16<\/td>\n | 7.2 Test set-up for post-installation tests 8 Test procedure 8.1 Laboratory reference conditions 8.2 EUT exercising <\/td>\n<\/tr>\n | ||||||
17<\/td>\n | 8.3 Execution of the test <\/td>\n<\/tr>\n | ||||||
19<\/td>\n | 9 Evaluation of test results 10 Test report <\/td>\n<\/tr>\n | ||||||
20<\/td>\n | Figure 1 – Simplified diagram of the ESD generator <\/td>\n<\/tr>\n | ||||||
21<\/td>\n | Figure 2 – Example of arrangement for verification of the ESD generator performance <\/td>\n<\/tr>\n | ||||||
22<\/td>\n | Figure 3 – Typical waveform of the output current of the ESD generator <\/td>\n<\/tr>\n | ||||||
23<\/td>\n | Figure 4 – Discharge electrodes of the ESD generator <\/td>\n<\/tr>\n | ||||||
24<\/td>\n | Figure 5 – Example of test set-up for tabletop equipment \u2014 Laboratory tests <\/td>\n<\/tr>\n | ||||||
25<\/td>\n | Figure 6 – Example of test set-up for floor standing equipment \u2014 Laboratory tests <\/td>\n<\/tr>\n | ||||||
26<\/td>\n | Figure 7 – Example of test set-up for floor-standing equipment, post-installation tests Figure 8 – Test set-up for ungrounded tabletop equipment <\/td>\n<\/tr>\n | ||||||
27<\/td>\n | Figure 9 – Test set-up for ungrounded floor-standing equipment <\/td>\n<\/tr>\n | ||||||
28<\/td>\n | Annex A (informative) Explanatory notes A.1 General considerations A.2 Influences of the environmental conditions on the levels of charge A.3 Relationship of environmental levels to air and contact discharge <\/td>\n<\/tr>\n | ||||||
29<\/td>\n | A.4 Selection of test levels Table A.1 – Guideline for the selection of the test levels A.5 Selection of test points A.6 Technical rationale for the use of the contact discharge method <\/td>\n<\/tr>\n | ||||||
30<\/td>\n | A.7 Selection of elements for the ESD generator <\/td>\n<\/tr>\n | ||||||
31<\/td>\n | Annex B (informative) Constructional details B.1 Current-sensing transducer B.2 Inductive current probe <\/td>\n<\/tr>\n | ||||||
32<\/td>\n | Figure B.1 – Constructional details of the resistive load <\/td>\n<\/tr>\n | ||||||
37<\/td>\n | Annex ZA (normative) Other international publications quoted in this standard with the references of the r… <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Electromagnetic compatibility (EMC). Testing and measurement techniques – Electrostatic discharge immunity test. Basic EMC publication<\/b><\/p>\n |