EMI Emissions Turntables

IEC 60601-1-2 ED. 4.1 / IEC 61000-4-39 New Requirement

Published: 5th March 2021

The IEC 60601-1-2 standard is the international standard for testing medical equipment to EMC. The latest update adds a new test as more transmitter products are present in homes, offices (locations where medical equipment may be used), and hospitals. Three frequencies that are in use are: 30 kHz, 134.2 kHz, and 13.56 MHz. The standard IEC 61000-4-39 for testing fields in close proximity is referenced for this testing. With our IEC 60601-1-2 setup these test fields can be produced.

The magnetic loops are specified in IEC 61000-4-39 and are readily available. However, producing a field through the loops might not be straight forward. The loop impedance changes over its frequency range, and the amplifier being used will not match this impedance. The result would be a much higher power requirement. In this case, we are not covering a frequency range but individual frequency points. This allows a matching network to be created to match the loop to the amplifier's impedance.

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Schlöder CDG 7000 Conducted Disturbances Test System

Generates Interference as Defined in IEC / EN 61000-4-6

The CDG 7000 is a new test generator for all interference immunity standards against conducted Interference induced by high frequency fields - including BCI tests (ISO 11452-4).

Find out more about Schlöder CDG 7000 Conducted Disturbances Test System

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