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INSTRUCTION MANUAL
AL-RE101
LOOP ANTENNA
SECTI ON 6
-
CALIBRATION
1912 1 E l T o ro R d
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Si l vera do, Ca lifo rni a 9 26 76
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(9 49) 459 -96 00
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co m-p o wer. com
Rev101617
EXAMPLE CALCULATION #6:
In the following example, with the test arrangement illustrated in
Figure 5
or
Figure
6
, the measured value on the measuring instrument connected to the AL-RE101
Loop Antenna at
30 Hz
is
43.35 dB
μ
V
. The theoretical, 50 ohm antenna
conversion factor for the AL-RE101 Loop Antenna (calculated using
Equation (5)
and
Equation (7)
and given in the table shown in
Figure 4
at
30 Hz
is
82.1 dBpT/
μ
V
.
In this example, the measured magnetic field strength (flux density) is within 2 dB
of actual; thereby validating the theoretical antenna factor of 82.1 dBpT/
μ
V at 30
Hz.
Therefore; in this example, the antenna meets the calibration requirement at 30
Hz.
=
+
82.1
dBpT/μV
43.35
dBμV
125.45
dBpT
125.45
dBpT
(± 2 dB)
≅
