HoMedics Walgreens WGNBPA-755BT Manual page 20

interruptions
and voltage
variations on
power supply
input lines
• Recommended separation distances between portable and mobile RF communication equipment
and the device.
Rated maximum Separation distance according to frequency of transmitter m
output power of
transmitter W
the transmitter manufacturer.
of a typical commercial or hospital
environment. If the user of the de-
during power mains interruptions,
it is recommended that the device
be powered from an uninterruptible
power supply or a battery.
d = 2.3
2.3
23
38
• Guidance and manufacturer's declaration – electromagnetic immunity
Immunity IEC 60601 Compliance
test test level level
Conducted
be used no closer to any part of the device, including cables,
than the recommended separation distance calculated from
4-3
ter in watts (W) according to the transmitter manufacturer
and d is the recommended separation distance in metres
(m).
an electromagnetic site survey, a should be less than the
electromagnetic site survey should be considered. If the measured field strength in the location in which
verify normal operation. If abnormal performance is observed, additional measures may be necessary,
such as reorienting or relocating the device.
Electromagnetic environment – guidance
39
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