Viatom Checkme, User Manual, Page: 43 / 45

42
Guidance and Declaration - Electromagnetic Immunity
The Health Monitor is intended for use in the specified electromagnetic environment. The customer or the user of the Health
Monitor should assure that it is used in such an environment as described below.
Immunity test IEC60601 test
level
Compliance
level
Electromagnetic environment - guidance
Conduced RF
IEC61000-4-6
3 Vrms 150 kHz
to
80 MHz
outside ISM
bands
3 Vrms 150 kHz
to
80 MHz
outside ISM
bands
Portable and mobile RF communications equipment should
be used no closer to any part of the system, including
cables, than the recommended separation distance
calculated from the equation appropriate for the frequency
of the transmitter. Recommended separation distances:
P d 2 . 1

Radiated RF
IEC61000-4-3
3 V/m 80 MHz
to
2.5 GHz
3 V/m 80 MHz
to
2.5 GHz
Recommended separation distances:
80 MHz
～
800 MHz:
P d 2 . 1

800MHz-2.5GHz:
P d 3 . 2

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
a
, should be less than the
compliance level in each frequency range
b
.
Interference may occur in the vicinity of equipment marked
with the following symbol:
Note 1: At 80 MHz to 800 MHz, the separation distance for 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 frequency range 150kHz to 80MHz. For Resp field strength should be less than 1V/m.