3.4 Measuring Exposure Level (General Public)
49
2
3
4
5
6
7
8
9
10
11
12
13
3
3.
Place the magnetic field sensor near the DUT.
4.
Read the indicated value.
5.
Press
to save the measurement data.
This ends exposure (General Public) measurements.
• For accurate measurements, the tester should be located further away
from the DUT than the magnetic field sensor.
• Although few magnetic materials are used in the magnetic field tester,
the battery is a magnetic material and may affect measurements if
located close to the DUT. In this situation, it may be a good idea to use
an extension cable to increase the distance between the magnetic field
sensor and the tester or to remove the battery and use the AC adapter.
• For details on measuring distance from DUT, sensor location and
operating conditions, refer to the IEC/EN62233.
• The center of the 100 cm
2
magnetic field
sensor is located at right angles to the X, Y
and Z axes. Since the distance from the
center to the spherical surface is 61 mm and
the distance to the DUT is a mm, locate the
tester so that the distance from the surface of
the DUT to the center of the sensor is (a + 61
mm). Calculate the measurement distance
from the surface of protrusions on the DUT.
a mm
DUT
61 mm
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