A6.3 Electromagnetic Immunity - For Equipment And System That Are Not Life-Supporting - WALLACH FETAL2EMR 902300 User Manual

A6.3 Electromagnetic Immunity – for EQUIPMENT and
SYSTEM that are not LIFE-SUPPORTING
Guidance and manufacturer's declaration – electromagnetic immunity
The Fetal Monitor is intended for use in the electromagnetic environment specified below. The user of
the Fetal Monitor should assure that it is used in such an environment.
Immunity test IEC 60601 test level
Conducted RF
IEC 61000-4-6 150 kHz to 80 MHz
Radiated RF
IEC 61000-4-3 80 MHz to 2.5 GHz
Compliance
level
3 V
rms
3V
3 V/m
3 V/m
Appendix 6: EMC Information
Electromagnetic environment -
Portable and mobile RF communications
equipment including cables should be
used no closer to any part of the Fetal
Monitor, than
separation distance calculated from the
equation applicable to the frequency of the
transmitter.
Recommended separation distance
 
3 5 .

d P
 
V
 
1
 
3 5 .

d P
 
E
 
1
 
7

d P
 
rms
E
 
1
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
a)
survey, should
compliance level
b)
range.
Interference may occur in the vicinity of
equipment marked with the following
symbol:
- 77 -
guidance
the recommended
80 MHz to 800 MHz
800 MHz to 2.5 GHz
be less than
in each frequency
the