WIKA GD-20 Operating Instructions Manual page 70

9. Specifications
EMC tests
EMC tests
Immunity against EM fields
Immunity against surge voltages (surge) per IEC 61000-4-5
EN
ESD per IEC 61000-4-2
Immunity against conducted HF signals in accordance with
IEC 61000-4-6
Immunity against fast transients (burst) per IEC 61000-4-4
70
30 V/m (at 80 MHz to 6 GHz)
1 kV, unbalanced, lines to earth, RS485A to RS485B, U
8 kV contact discharge, 15 kV indirect discharge, 8 kV indirect
discharge
10 V at 150 kHz to 80 MHz
4 kV
WIKA operating instructions gas density sensor, model GD-20
vs. U
+ -