Making Spectrum Analyzer Measurements
EMF measurements are set up using the
the data collection for the three axes (X, Y, and Z), the isotropic result is calculated and displayed. In addition
to the traces displayed on the user interface (axis sweep data, current isotropic result, and average and max
isotropic result), the max, min, and average of the total integrated power of the isotropic result over time is
computed and displayed in the table below the graph region. The CURRENT values are calculated over the
elapsed measurement time and the TOTAL values are calculated over the entire measurement time and total
number of measurements.
1. EMF measurement pass/fail status uses a limit line for the test criteria. You can use either a custom limit line or
toggle the International Commission on Non-Ionizing Radiation Protection limit. Either limit supports the same
features as in the spectrum analyzer mode. See
2. The trace display area shows traces for the following measurements in units/m
•
Trace 1: Current axis sweep data
•
Trace 2: Current isotropic result
•
Trace 3: Average isotropic result
•
Trace 4: Maximum isotropic result
•
Trace 5: Total average isotropic result
Note that trace detectors and trace averaging are disabled for the EMF measurement.
3. Tabular measurement data shows the current and total EMF measurement results, the current test progress,
and the pass/fail status. The information area shows the axis dwell time, the current axis being measured, and
the data logging state.
4. Use the SETUP menu to configure the EMF measurement settings. See
on page
3-76.
Figure 3-61. EMF Measurement
Spectrum Analyzer MG
3-18 Electromagnetic Field (EMF) Measurements (Option 444)
"SETUP Menu (EMF Measurement)" on page
1
2
"LIMIT Menu" on page
PN: 10580-00447 Rev. A
3-76. After completing
3
4
3-50.
2
:
"SETUP Menu (EMF Measurement)"
3-75
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