Covidien Puritan Bennett 540, User Manual, Page: 115 / 141

Manufacturer’s Declaration
Puritan Bennett 540™ Ventilator User’s Manual
A-15
Table A-21. Electromagnetic Immunity – Conducted and Radiated RF
The ventilator is intended for use in the electromagnetic environment specified below. The customer or the user of the
ventilator should assure that it is used in such an environment.
Immunity Test IEC 60601-1-2 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 outside
ISM bands
a
10 Vrms
inside ISM bands
a
20 V/m (per Draft
Reviewer Guidance for
Ventilators, July 1995)
80 MHz to 1.0 GHz
10V/m
1.0 GHz to 2.5 GHz
3 Vrms
150 kHz to 80 MHz outside
ISM bands
10 Vrms
inside ISM bands
20 V/m (per Draft
Reviewer Guidance for
Ventilators, July 1995)
80 MHz to 1.0 GHz
10V/m
1.0 GHz to 2.5 GHz
Portable and mobile RF communica-
tions equipment should be used no
closer to any part of the ventilator,
including cables, than the recom-
mended separation distance calculated
from the equation applicable to the fre-
quency of the transmitter.
Recommended separation distance
80 MHz to 800 MHz
800 MHz to 2.5 GHz
where P is the maximum output power
rating of the transmitter in watts (W)
according to the transmitter manufac-
turer and d is the recommended sepa-
ration distance in meters (m)
b
.
Field strengths from fixed RF
transmitters, as determined by an
electromagnetic site survey
c
, should be
less than the compliance level in each
frequency range
d
.
Interference may occur in the vicinity of
equipment marked with the following
symbol:
d 0.35 P =
d 1.2 P =
d 1.2 P =
d 2.3 P =