(Table 6)
Recommended separation distance between portable and mobile RF
communications equipment and the MDSTH1002 IR Thermometer
MDSTH1002 IR Thermometer is intended for use in an electromagnetic
environment in which radiated RF disturbances are controlled. The
customers or the users of these MDSTH1002 IR Thermometers 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 output power of the communications equipment.
Output Power
of Transmitter
in Watts
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 80 MHz and 800 MHz, 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 for structures,
objects and people.
Separation distance according to frequency of
transmitter, in meters
150 kHz to
80 MHz to
80 MHz
d = 1.2 √P
0.12
0.38
1. 2
3.8
12
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800 MHz to
800 MHz
d = 1.2 √P
0.12
0.38
1. 2
3.8
12
2.5 GHz
d = 2.3 √P
0.23
0.73
2.3
7.3
23