EMC-PARTNER IMU4000, User Manual, Page: 17 / 104

IMU4000
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1.3 Technical data of the IMU4000
1.3.1 Electrostatic discharges ESD only valid with EXT-TRA3000 E
Energy storage capacitance 150 pF
Discharge resistance
330

Charging resistance
54 M

Holding time (drop to 95%) better than 5 s
Current rise time, 2

load
0.8 ns ± 25% See 6.1
IEC 61000-4-2 Ed.2
Definition of current waveform:
Current amplitude at 30 ns 4 to 16 A ± 30%
Current amplitude at 60 ns 2 to 8 A ± 30%
Voltage range „air discharge“ 2 to 15 kV ± 10%
Voltage range „contact discharge“ 2 to 10 kV ± 10%
First current amplitude into 2

„contact discharge“
7,5 to 30 A ± 15%
Polarity positive / negative;
automatic switchover
Number of discharges
Detection of the number of
discharges
-preselectable
-count „every pulse“
-count „discharge only“.
Only the impulses
where the voltage of the
discharge capacitor
drops below 10% of the
charging voltage are
counted.
1 to 29’999
Ramps voltage amplitude
changes from shot to
shot, alternate polarity
Reporting test sequence with the
number of discharges
-Voltage amplitude
-Polarity
Discharge modes: -Air discharge
-Contact discharge
Repetition of the discharges 0.05 up to 30 s
Single discharge „Man“