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Absorbing Clamps / Ferrite Tubes

Absorbing clamps are used for measuring interference signals on power supply cables. Decoupling clamps and ferrite tube are available for a variety of different EMC applications.

  • MBT 2 ( f.MDS21)

    The MBT 2 is a hand-operated slide lane for absorbing clamp MDS 21B. It consists of the slide lane, a table for the EUT and a drive unit. The drive unit enables the tester to move the MDS 21B manually along the lane. There are almost no metallic parts used for the construction. The design allows adaptation to other absorbing clamps.

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  • FT 801

    Ferrite tube for immunity test according to IEC / EN 61000-4-6, large diameter of 35 mm

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    The through-reflect-line (TRL) calibration method is recommended for measuring the S-parameters of CMADs, as described in CISPR 16-1-4. In combination with a vector network analyzer offers the calibration fixture CAL CMAD 20A to perform the four calibration configurations of the TRL calibration method.

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  • CMAD 10

    Common Mode Absorption Device, max. cable diameter 10 mm

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    Calibration fixture for KEMZ /KEMA. The edition four of IEC 61000-4-6 describes in Annex A a calibration method for measuring the S-parameters of the EM clamp and decoupling clamp. In combination with a vector network analyzer offers the calibration fixture CAL KEMZ to measure impedance and decoupling.

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  • CMAD 20B

    Reproducible emissions measurements require a defined line termination for the frequency range where connected lines provide a significant influence on the emissions. Common Mode Absorption Device (CISPR 16-1-4, CISPR 16-2-3, CISPR 11 ed. 6.0) cable sizes up to 20 mm, incl. traceable calibration (certificate according ISO17025)

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  • MDS 21B

    The absorbing clamp MDS 21B enables to measure the interference capability of radio interferers, such as domestic appliances, electric tools etc. directly; viz. by measuring the power generated by the interferer and fed to its supply cable.

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  • KEMA 801B

    The KEMA 801B is recommended as an additional decoupling network (ferrite tube clamp) for immunity test according to IEC/EN 61000-4-6 when using the clamp injection method.

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