Once the measurement behavior is dened, the next step is to choose the
“Time” option on the “MODE” dynamic menu (screenshot 1B).
To start the measurement, now all that you need to do is select “LOG” on the
dynamic menu (screenshot 1C).
In time mode, the WP400, WP400-3 and WPH-DC (DC+AC or AC) have a
PLOT function in the dynamic menu, where the user can select the RMS
only (screenshot 1D) or Peak only (screenshot 1E) or both RMS and Peak
(screenshot 1F) plots.
2. Selective measurement (FFT)
The SMP2 + WP400 (or WP400-3 or WPH-DC) allows you to make selective
measurements by means of real-time FFT-based signal analysis using digital
signal processing techniques. This can be done for both the E eld and the H
eld, over different frequency spans: 40 Hz, 400 Hz, 4 kHz, 40 kHz or 400 kHz
(depending on the probe):
• WP400 and WP400-3: 400 Hz, 4 kHz, 40 kHz or 400 kHz (E and H)
• WPH-DC: 40 Hz, 400 Hz, 4 kHz, 40 kHz (H eld only)
Screenshot 1D Screenshot 1E Screenshot 1F
User’s Manual Electromagnetic Field Meter SMP2 P. 73
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