Ivoclar Vivadent Bluephase Meter Mode D'emploi page 37

Bluephase Meter-BA-WE3_611504_Rev4_bluephase meter.qxd 24.10.12 08:12 Seite 37
Recommended separation distances between
portable and mobile RF communications
equipment and the "Bluephase Meter"
The "Bluephase Meter" is intended for use in the electromagnetic
environment in which radiated RF disturbances are controlled. The
customer or the user of the "Bluephase Meter" can help prevent
electromagnetic interference by maintaining a miminum distance
between portable and mobile RF communications equipment (trans-
mitters) and the "Bluephase Meter" as recommended below, accord-
ing to the maximum output power of the communication equipment.
Separation distance according to
Rated
frequency of transmitter
maximum
output power
of transmitter
150 kHz to
W
80 MHz
0.01 n.a.
n.a.
0.1
n.a.
1
10 n.a.
n.a.
100
For transmitters rated at a maximum output power not listed above, the recommended separation
distance d in metres (m) can be determined using the equation applicable to the frequency of the
transmitter, where P is the maximum output power rating of the transmitter in watts (W) according to
the transmitter manufacturer.
NOTE 1: At 80 MHz and 800 MHz, the separation distance for the higher frequency range applies.
NOTE 4: These guidelines may not apply in all situations. Electromagnetic propagation is affected by
absorption and reflection from structures, objects and people.
m
80 MHz to 800 MHz to
800 MHz 2.5 GHz
d = 1.2 P d = 2.3 P
0.12
0.23
0.38
0.73
1.2
2.3
3.8
7.3
12
23