PHILIPS Respironics OmniLab Advanced + Clinical Manual page 49

Guidance and Manufacturer's Declaration - Electromagnetic Immunity
This device is intended for use in the electromagnetic environment specified below. The user of this device should make sure it is
used in such an environment.
Immunity Test IEC 60601 Test Level
Conducted RF 3 Vrms
IEC 61000-4-6 150 kHz to 80 MHz
Radiated RF 3 V/m
IEC 61000-4-3 80 MHz to 2.5 GHz
Note 1: At 80 MHz and 800 MHz, the higher frequency range applies.
Note 2: These guidelines may not apply in all situations. Electromagnetic propagation is affected by absorption and reflection from structures,
objects, and people.
a Field strengths from fixed transmitters, such as base stations for radio (cellular/cordless) telephones and land mobile radios, amateur radio,
AM and FM radio broadcast and TV broadcast cannot be predicted theoretically with accuracy. To assess the electromagnetic environment
due to fixed RF transmitters, an electromagnetic site survey should be considered. If the measured field strength in the location in which
the device is used exceeds the applicable RF compliance level above, the device should be observed to verify normal operation. If abnormal
performance is observed, additional measures may be necessary, such as re-orienting or relocating the device.
b Over the frequency range 150 kHz to 80 MHz, the field strengths should be less than 3 V/m.
Compliance Level
Portable and mobile RF communications equipment should be
used no closer to any part of the device, including cables, than the
recommended separation distance calculated from the equation
applicable to the frequency of the transmitter.
Recommended separation distance
3 V d = 1.2
10 V/m d = 0.35
d = 0.7
where P is the maximum output power rating of the transmitter in
watts (W) according to the transmitter manufacturer and d is the
recommended separation distance in meters (m).
Field strengths from fixed RF transmitters, as determined by an
electromagnetic site survey
each frequency range
Interference may occur in the vicinity of equipment marked with the
following symbol:
Electromagnetic Environment - Guidance
80 MHz to 800 MHz
800 MHz to 2.5 GHz
, should be less than the compliance level in
a
b .
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