Multi CE7

Compact EMC-tester

  IEC 61000-4-04, IEC 61000-4-05, IEC 61000-4-08, IEC 61000-4-09, IEC 61000-4-11, IEC 61000-4-12, IEC 60060-2, IEC 61000-4-29

The Multi-CE7 is a compact EMC test unit designed for testing electromagnetic immunity against pulsed and conducted interference. Demonstrating such immunity is generally a requirement for compliance with the European EMC directive, a necessary step leading to the CE mark.

In its basic configuration, the Multi-CE7 includes an Electrical Fast Transient Generator (EFTG-CE5), a Combination Wave Generator (CWG-CE7) and a Coupling-/Decoupling Network (CDN) for single-phase power supply lines.

The Electrical Fast Transient Generator fully compliant to IEC 61000-4-4, delivers fast transient pulses with waveform 5/50 ns and a maximum burst frequency of 1 MHz. It is used for immunity testing of electronic systems and devices. The four standard IEC 61000-4-4 test levels may be easily selected by push button or all parameters may be adjusted individually.

The Combination Wave Generator fully compliant to IEC 61000-4-5 and IEEE 587 delivers a standard impulse voltage with waveform 1.2/50 µs and a standard impulse current with waveform 8/20 µs. It is a combined impulse-current-/impulse-voltage generator for high- impedance loads RL > 100W and may be used for surge testing of components and devices, as well as for galvanic coupling of surges to cable shields, shielded enclosures and cabinets.

The built-in capacitive Coupling-/Decoupling Network allows superimposition of the combination wave generator output to the mains voltage of the device under test.

The simulation of voltage dips and voltage variations acc. to IEC 61000-4-11 can be included as an option. Additional accessories allow the testing of immunity against both pulsed and power frequency magnetic fields according to IEC 61000-4-8 and IEC 61000-4-9.

Optionally the Multi-CE7 can include a triggerable power supply switch which allows the simulation of the voltage dips as specified in the standard IEC 61000-4-11. The variation of the power supply voltage is controlled by the use of an external motor driven variac. The control of the external power source is included in the mainframe.

Another option is the high-voltage pulse generator producing Ring Wave 0.5 µs / 100 kHz  acc. to IEC 61000-4-12.The output peak voltage can be present continuously from 0.25 - 7 kV. Rise time 0.5µs to the first peak, ringing frequency 100 kHz.

As well as the high-voltage pulse generator creating standard impulse voltages with waveform 10/700 µs. It is designed for dielectric testing of components and systems as well as testing of the electromagnetic compatibility of electronic systems and devices acc. to CCITT- K17/K20/K22, ITU-T/K44, IEC 61000-4-5 etc.

An Induction Coil in conjunction with the Combination Wave Generator output is used to simulate pulsed magnetic fields according to IEC 61000-4-9. Combined with the external power source, the Induction Coil can be used to simulate power frequency magnetic fields according to IEC 61000-4-8.

Additional Coupling-/Decoupling Networks covering three-phase power supply lines, DC supply lines and signal lines are also available, as well as a Capacitive Coupling Clamp for coupling to shielded interconnection lines.

The Multi-CE7 excels by its compact design, simple handling and precise reproducibility of test impulses. It features a microprocessor controlled user interface and a 7” touch screen unit for ease of use. The microprocessor allows the user to execute either standard test routines or a “user-defined” test sequence. A standard USB port provides the ability to print a summary of the test parameters as well as the results to a USB stick.

The software program CE-REMOTE allows full remote control of the test generator via Ethernet light guide as well as documentation and evaluation of test results, accordingly to the IEC 17025. To record definite impulses, it is equipped with an Impulse Recording Function (IRF).

Moreover all generator functions including the built-in Coupling-/Decoupling Network, maybe computer controlled via the isolated optical interface.

System configuration

The Multi-CE7 and its sub-units are available in different configurations:

Typical configurations:

Multi-CE7 1 + CDN 7416

for 3-phase testing

Multi CE7 2 + VPS 250-16

for testing surge, burst, power fail, voltage dips and variation

It is possible to build all devices in a 19” rack cabinet.