44
Guidance and Manufacturer’s Declaration – Electromagnetic Immunity
This device is intended for use in the electromagnetic environment specified below.
The customer or the user of this device 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 V
150 kHz – 80 MHz
ISM
(c)
frequency band:
6 V
3 V/m
80 MHz to 2.7 GHz
27 V/m
385 MHz
28 V/m
450 MHz
9 V/m
710, 745, 780 MHz
28 V/m
810, 870, 930 MHz
28 V/m
1720, 1845, 1970 MHz
28 V/m
2450 MHz
9 V/m
5240, 5500, 5785 MHz
3 V
150 kHz to 80 MHz
ISM
(c)
frequency band:
6 V
3 V/m
80 MHz to 2.7 GHz
27 V/m
385 MHz
28 V/m
450 MHz
9 V/m
710, 745, 780 MHz
28 V/m
810, 870, 930 MHz
28 V/m
1720, 1845, 1970 MHz
28 V/m
2450 MHz
9 V/m
5240, 5500, 5785 MHz
Portable and mobile RF communications
equipment should be used no closer to
any part of this device, including cables,
than the recommended separation dis-
tance calculated from the equation appli-
cable to the frequency of the transmitter.
Recommended separation distances
d
= 1.2
P
150 kHz to 80 MHz
d
= 1.2
P
80 MHz to 800 MHz
d
= 2.3
P
800 MHz to 2.7 GHz
d
=
P
Portable wireless RF commu-
nication equipment
Where
P
is the maximum output power
rating of the transmitter in watts (W) ac-
cording to the transmitter manufacturer,
E
is the compliance level in V/m and
d
is
the recommended separation distance in
meters (m).
Field strengths from field RF transmitters,
as determined by an electromagnetic site
survey
(a)
, should be less than the compli-
ance level in each frequency range
(b)
.
Interference may occur in the vicinity of
equipment marked with the following sym-
bol:
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 re
-
flection from structures, objects and people.
(a)
Field strengths from fixed transmitters, such as base stations for ratio (cellular/cordless) telephones and land mobile
radios, amateur radio, AM and FM radio broadcast and TV broadcast cannot be predicated 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 this device is used exceeds the applicable RF com
-
pliance level above, this device should be observed to verify normal operation. If abnormal performance is observed,
additional measures may be necessary, such as reorienting of relocating this device.
(b)
Over the frequency range 150 kHz to 80 MHz, field strengths should be less than 3 V/m.
(c)
The ISM (Industrial, Scientific and Medical) bands between 0.15 MHz and 80 MHz are 6.765 MHz to 6.795 MHz;
13.553 MHz to 13.567 MHz; 26.957 MHz to 27.283 MHz; and 40.66 MHz to 40.70 MHz.