Nustep T6 - Page 30

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EMC Tables
Table 3 – Guidance and MANUFACTURER’S declaration – electromagnetic IMMUNITY –
for ME EQUIPMENT and ME SYSTEMS that are not LIFE-SUPPORTING
Guidance and manufacturer’s declaration – electromagnetic immunity
The NuStep model T6 is intended for use in the electromagnetic environment specied below. The customer or
the user of the NuStep model T6 should assure that it is used in such an environment.
IMMUNITY test IEC 60601 TEST
LEVEL
Compliance
level
Electromagnetic environment – guidance
Conducted RF
IEC 61000-4-6
Radiated RF
IEC 61000-4-3
3 Vrms
150 kHz to 80 MHz
3 V/m
80 MHz to 2,5 GHz
3 Vrms
3 V/m
Portable and mobile RF communications
equipment should be used no closer to any part
of the NuStep model T6, including cables, than
the recommended separation distance calculated
from the equation applicable to the frequency of
the transmitter.
Recommended separation distance
Not applicable
d = 1.2
P
80 MHz to 800 MHz
d = 2.3
P
800 MHz to 2,5 GHz
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 xed 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 and 800 MHz, the higher frequency range applies.
NOTE 2 These guidelines may not apply in all situations. Electromagnetic propagation is a󰀨ected by absorption
and reection from structures, objects and people.
a. Field strengths from xed 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 xed RF
transmitters, an electromagnetic site survey should be considered. If the measured eld strength in the
location in which the NuStep model T6 is used exceeds the applicable RF compliance level above, the
NuStep model T6 should be observed to verify normal operation. If abnormal performance is observed,
additional measures may be necessary, such as re-orienting or relocating the NuStep model T6.
b. Over the frequency range 150 kHz to 80 MHz, eld strengths should be less than 3 V/m.