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IEC TS 61340-5-4
Edition 1.0 2021-08
TECHNICAL
SPECIFICATION
colour
inside
Electrostatics –
Part 5-4: Protection of electronic devices from electrostatic phenomena –
Compliance verification
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IEC TS 61340-5-4
Edition 1.0 2021-08
TECHNICAL
SPECIFICATION
colour
inside
Electrostatics –
Part 5-4: Protection of electronic devices from electrostatic phenomena –
Compliance verification
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 17.220.99; 29.020 ISBN 978-2-8322-1017-5
– 2 – IEC TS 61340-5-4:2021 IEC 2021
CONTENTS
FOREWORD . 9
INTRODUCTION . 11
1 Scope . 12
2 Normative references . 12
3 Terms and definitions . 12
4 Personnel safety . 13
5 Test methods and test frequency . 13
6 Test equipment . 13
6.1 Selection of test equipment . 13
6.2 AC outlet analyzer (or mains socket tester) . 13
6.3 AC circuit tester (impedance meter) . 14
6.4 Charged plate monitor (CPM) . 14
6.4.1 CPM requirements . 14
6.4.2 Portable CPM kit. 14
6.5 Concentric ring electrode assembly . 14
6.6 Resistance measuring apparatus (ohmmeter) . 14
6.7 Low resistance meter . 15
6.8 Electrostatic field meter . 15
6.9 Electrostatic voltmeter . 15
6.10 Footwear electrode . 15
6.11 Hand-held electrode . 15
6.12 Resistance measurement electrode(s) . 15
6.13 Insulative support surface . 16
6.14 Integrated measurement instrument for wrist strap systems or person-
footwear systems . 16
6.15 Two-point probe . 16
6.16 User specified electrodes . 16
7 Grounding/bonding . 17
7.1 Equipment ground and responsibility for checking systems . 17
7.2 Objective . 17
7.3 Test equipment . 18
7.4 Test procedure for wrist strap bonding points . 18
7.5 Troubleshooting wrist strap bonding point failures . 18
8 Work surfaces . 19
8.1 Basis of test procedure . 19
8.2 Objective . 19
8.3 Test equipment . 19
8.4 Test procedure . 20
8.5 Troubleshooting . 21
8.5.1 Visual and mechanical check . 21
8.5.2 Electrical test . 21
9 Wrist strap system . 22
9.1 Basis of test procedure . 22
9.2 Objective . 22
9.3 Test equipment . 22
9.4 Test procedure . 22
9.4.1 Testing with integrated measurement instrument . 22
9.4.2 Testing with resistance measuring apparatus. 23
9.5 Troubleshooting . 25
10 Person-footwear system . 25
10.1 Basis of test procedure . 25
10.2 Objective . 26
10.3 Test equipment . 26
10.4 Test procedure . 26
10.4.1 Testing with integrated measurement instrument . 26
10.4.2 Testing with resistance measuring apparatus. 26
10.5 Troubleshooting . 27
11 Flooring . 28
11.1 Basis of test procedure . 28
11.2 Objective . 28
11.3 Test equipment . 28
11.4 Test procedure . 28
11.5 Troubleshooting . 29
12 Person-footwear-flooring system measurement of resistance to ground . 29
12.1 Basis of test procedure . 29
12.2 Objective . 29
12.3 Test equipment . 29
12.4 Test procedure . 30
12.5 Troubleshooting . 31
13 Seating . 31
13.1 Basis of test procedure . 31
13.2 Objective . 31
13.3 Test equipment . 31
13.4 Test procedure . 31
13.5 Troubleshooting . 33
14 Air ionizers . 33
14.1 Basis of test procedure . 33
14.2 Objective . 33
14.3 Test equipment . 33
14.4 Test procedure . 34
14.4.1 Initial test set-up . 34
14.4.2 Discharge time test . 34
14.4.3 Offset voltage test (ion balance) . 34
14.5 Troubleshooting . 34
15 Mobile equipment . 35
15.1 Basis of test procedure . 35
15.2 Objective . 35
15.3 Test equipment . 35
15.4 Test procedure . 35
15.5 Troubleshooting . 36
16 Groundable static control garment system . 37
16.1 Basis of test procedure . 37
16.2 Objective . 37
16.3 Test equipment .
...