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Schloder SFT 2400 125 kHz EFT/ Burst - Generator View larger

Schloder SFT 2400 125 kHz EFT/ Burst Generator IEC 61000-4-4 Ed. 3

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  • Operation via capacitive color touch display
  • Burst - frequency up to 125 kHz, pulse amplitude up to 5.0 kV
  • Modification of all parameters during the test possible
  • Single impulse to permanent burst, various special functions
  • Max. 5000 pulses / sec. and 500 pulses / packet
  • Time accurate triggering

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Data Sheet

Schloder SFT 2400 EFT/ Burst - Generator

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Test Equipment Description

Schloder SFT 2400 125 kHz EFT/ Burst - Generator

The SFT 2400 with integrated coupling network simulates electrical fast transient (EFT) as defined in IEC 61000-4-4 and EN 61000-4-4 standards. Due to the very short rise time of 5ns, the individual pulses generate a broadband RF spectrum up to 300 MHz.

The simple operation takes place via a capacitive color touch display. All parameters are clearly displayed without nested menus and can be changed quickly by tapping and using a digital rotary encoder. The normative test levels 1, 2, 3 and 4 are preprogrammed, additional test sequences can be stored via the memory function.

The SFT 2400 also offers a variety of special features such as "Real Burst", which simulates the natural appearance of the burst pulse or "noise" which simulates contact bouncing. The functions "IFM" and "DFM" (increasing or decreasing frequency) are important tools for examining resonance or saturation effects in the device under test.

Performance features 

  • Functionality
    All burst parameters can be changed during a burst test. This guarantees that it can be easily and continuously to detect the fault threshold of the specimen. An interruption of the test for a parameter change at the burst generator is not necessary.

  • Burst pulse in practice - Real Burst
    The pulse burst occuring in pratice does not comply with the definition of the standard. Its physical properties are deviating against the standard definition. The generator SFT 2400 provides the user a variety of special features such as "Real Burst", which simulates the natural appearence of the Burst pulse or "Noise" can be simulated with the contact bounce.

  • Time accurate triggering
    To localisation of faults, it is possible to couple the burst pulse very accurately to a certain process time of the EUT. The burst pulse microsecond exactly triggered with a jitter of <25ns.

Burst definition Definition in the Standard SFT 2400
Burst duration 15 ms ± 20% at 5 kHz
0,75 ms ± 20% at 100 kHz
(corresponds to 75 pulses /package)
0,01 - 100 ms *1
Burst period 300 ms ± 20 % 10 - 1000 ms *1
Burst frequency 5 kHz or 100 kHz up to 4 kV 100 Hz - 125 kHz up to 5 kV
Pulse amplitude 0,5 / 1 / 2 / 4 kV 100 V - 5000 V (into 10 V steps)
Pulse rise-time 5 ns ± 30 % *1: the SFT 1400 automatically takes into account the maximum power restrictions
Pulse width (50 Ohm) 50 ns ± 30 %
Pulse-width (1 kOhm) 50 ns, -15ns/+100 ns
Impedance 50 Ω ± 2 %
Generator
Burst Frequency Single pulse up to 125 kHz
Pulse amplitude 100 V - 5000 V
Polarity positive, negative, alternating
Pulse shape acc. to IEC / EN 61000-4-4
Max. number of pulses / s 5000 (up to 2kV); 3000 (3kV) and 1500 (up to 5kV)
Max. number of pulses / burst 500
Remote Control USB (virtual COM port)
Option: optical interface with fiber optic
Coupling / Decoupling Network
Integrated in the generator, coupling the test pulses to supply lines of the test object
Operating volt. AC max. 230V / 16A, 50 Hz
Operating volt. DC max. 110V / 8A
Phase indicator LED red / green
Coupling capacitors 33 nF
Coupling selectors L, N, PE ->E; L, N->E; a.s.o.
EUT power outlets AC power socket (Schuko), additionally laboratory sockets
Operation temperature 0 - 40 °C
Dimensions 19” housing, 3U
Weight app. 9 kg
Power supply 100-240V /47-63 Hz

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