Welch Allyn KleenSpec 790 Series Cordless Illumination System - User Manual - Manual (Page 26)

22 Welch Allyn
Table 3. Electromagnetic immunity
The 790 series cordless illumination system is intended for use in the electromagnetic environment
specified below. The customer or user of the 790 series cordless illumination system should assure
that it is used in such an environment.
Immunity
test IEC 60601
test level Compliance
level Electromagnetic environment - guidance
Portable and mobile RF communications equipment
should be used no closer to any part of the 790 series
cordless illumination system, including cables, than the
recommended separation distance calculated from the
equation applicable to the frequency of the transmitter.
Recommended separation distance
Conducted
RF, IEC
61000-4-6 3 Vrms
150 kHz to
80 MHz 3 Vrms d = (1.17)
Radiated
RF, IEC
61000-4-3 3 V/m
80 MHz to
2.5 GHz 3 V/m d = (1.17) 80 MHz to 800 MHz
d = (2.33) 800 MHz to 2.5 GHz
where P is the maximum output power rating of the
transmitter in watts according to the transmitter
manufacturer and d is the recommended separation
distance in meters.
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:
P
P
P