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EMS Compact GeneratorsCalibration set for EFT/Burst generators
The pulse shape of EFT/burst generators designed as per IEC 61000-4-4 have to be verified both into a 50ohm and a 1,000ohm load at the 50ohm coaxial HV output as well into 50ohm load at the output of the coupling network where the DUT is connected when testing mains supply lines.
The CA EFT kit includes the load resistors and a set of adapter to connect the coaxial matching resistors appropriately to the DUT output port.
Highlights
Calibration kit as per IEC 61000-4-4
Also used as per ISO 7637, Annex D
50ohm load resistor included
1,000ohm load resistor included
Adapters provided to adapt the load resistors to the output of the coupling network for easy measurement
Benefits
Measuring example using the KW 50Open circuit voltage setting at the EFT/burst generator (50ohm output): 2,000V
Resulting output voltage across the 50ohm matching resistor: 1,000V.
Measuring voltage Vm: 10V
Measured voltage considering the 50ohm input impedance of the oscilloscope: 5V
Resulting attenuation (theoretical): 400:1
Measuring example using the KW 1000
Open circuit voltage setting at the EFT generator (50ohm output): 2,000V
Resulting output voltage across the 1,000ohm matching resistor: 1,905V
Measuring voltage Vm: 4V
Measured voltage considering the 50ohm input impedance of the oscilloscope: 2V
Resulting attenuation (theoretical): 1,000:1
EN 61000-4-4
IEC 61000-4-4
ISO 7637-1:1990
ISO 7637-2:1990
ISO 7637-2:2004
ISO 7637-2:2011
ISO 7637-3:1995
ISO 7637-3:2007
IEC 61000-4-4
ISO 7637-1:1990
ISO 7637-2:1990
ISO 7637-2:2004
ISO 7637-2:2011
ISO 7637-3:1995
ISO 7637-3:2007