A-3
Box PC 820 / PC FI45 V2, Manual
A5E00051531-03
A.2 Electrostatic Charging of Persons
Charging
Every person with a non-conductive connection to the electrical potential of its
surroundings can be charged electrostatically.
Figure A-1 shows you the maximum values for electrostatic voltages which can
build up on a person coming into contact with the materials indicated in the figure.
These values are in conformity with the specifications of IEC 801-2.
Voltage in kV
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
(kV)
510
20 30 40 50 60 70 80 90 100
Relative air
humidity in %
1
3
1 Synthetic material
2
Wool
3
Antistatic material, for
example, wood or concrete
2
Figure A-1 Electrostatic Voltages which can Build up on a Person
Guidelines for Handling Electrostatically-Sensitive Devices (ESD)
Siemens Distributor
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