9 Technical Data
9.1.2 DOW Fast
Standard IEC 61000-4-18:2019
Open Circuit direct and CDN output
Level
selectable 400 V - 4400 V
calibrated 500 V - 4000 V ±10 %
Frequency 3 MHz ±10 %
10 MHz ±10 %
30 MHz ±10 %
Rise time 5 ns ±30 %
Decaying
Peak5 to Peak1 >50 %
Peak10 to Peak1 <50 %
Short Circuit direct and CDN output
Level calibrated 10 A - 80 A ±20 %
Frequency 3 MHz ±30 %
10 MHz ±30 %
30 MHz ±30 %
Rise time
3 MHz <330 ns
10 MHz <100 ns
30 MHz <33 ns
Decaying
Peak5 to Peak1 >25 %
Peak10 to Peak1 <25 %
Impedance 50 Ω±20 %
Polarity positive
negative
alternating
Synchronisation EUT Power 0-359
◦
±10
◦
Test Time 1 s to 65535 s
Burst Repetition 10 ms to 200 s ±10 %
Burst Duration 1 ms to 20 s ±10 %
Pulse Spacing 150 µs to 40 ms ±10 %
max. average Spikes/s
4
3 MHz 16510/[Level in kV]
2
and max. 6666
10 MHz 5474/[Level in kV]
2
and max. 6666
30 MHz 1688/[Level in kV]
2
and max. 6666
Trigger Mode automatic
manual
external
4
The maximum number of spikes per second can be limited due to the minimum allowed pulse spacing. The maximum
number of spikes per second is derated depending on the level.
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