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DATE
DOCUMENT NAME
DOCUMENT #
PAGE
Janurary 5,2006
Harman Multimedia OnStage UD CE Test Report
2006 011114 CE AUS/NZ
36 of 72
3.14.Power Frequency Magnetic Field Immunity: IEC 61000-4-8 (2001)
EN 55024 specifies Part 8 of the IEC 61000-4-8 Standard as the basic procedure for testing apparatus
containing devices susceptible to magnetic fields, e.g. Hall Effect sensors, electrodynamic microphones, etc.,
and to CRT’s. The standard configuration as outlined in the IEC 61000-4-8 was used. A ground plane was
placed inside a Helmholtz coil and at a height of 80cm. The monitors from the EUT were removed and placed
on 10cm wood blocks on the ground plane with I/O cables extended to the EUT. For further information,
please refer to the technical sections of the IEC 61000-4-8 in addition to the test results section and
photographs of the test set-up provided in this report.
For power-frequency magnetic field immunity tests, EN 55024 requires that the EUT meet at least
performance Criterion A using a Helmholtz Coil at 50 Hz, to a field strength of 30 amperes (rms) per meter.
For Power-Frequency Magnetic Field Immunity Test Configuration please refer to Figure 10 on the next page.
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