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(Table 6)
Recommended separation distance between portable and mobile
RF communications equipment and the thermometer
The thermometer are intended for use in an electromagnetic environment
in which radiated RF disturbances are controlled. The customers or the
users of these thermometer can help prevent electromagnetic
interference by maintaining a minimum distance between portable and
mobile RF communications equipment (transmitters) and the
thermometer as recommended below, according to the maximum ouptut
power of the communications equipment.
Output Power of
Transmitter in
Watt
0.01
0.1
1
10
100
For transmitters rated at a maximum output power not listed above, the
recommended separation distance d in meters (m) can be estimated
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: At 80MHz and 800MHz, the separation distance for the higher
frequency range applies
Note: These guidelines may not apply in all situations. Electromagnetic
propagation is affected by absorption and reflection from structures,
objects, and people.
Separation distance according to frequency of
150 kHz to
80 MHZ
d = 1.2 √ P
0.12
0.38
1.2
3.8
12
transmitter in meter
80 MHz to
800 MHZ
d = 1.2 √ P
0.12
0.38
1.2
3.8
12
22
800 MHz to
2.5GHz
d = 2.3 √ P
0.23
0.73
2.3
7.3
23