• If you only need to check compliance in % of a standard, the time mode is
suitable. This will give a complete and instantaneous result as a % of the limit.
• If you need to check the frequency content
of the eld, use the FFT mode. First select
the highest SPAN (400 kHz). If no eld is
detected above 40 kHz, change the SPAN
to 40 kHz. If no eld is detected above 4
kHz, change the SPAN to 4 kHz. Finally, if
no eld is detected above 400 Hz, change
the SPAN to 400 Hz. This reduction of
the SPAN, wherever possible, will provide
better frequency resolution to analyse the
signal. When you have the suitable SPAN,
press “LOG“ to save the FFT.
Note: In the FFT mode as well, the total eld
value, values for the axes, maximum, minimum
and peak values are updated every half second,
representing the eld values over the full
frequency range.
User’s Manual Electromagnetic Field Meter SMP2 P. 40
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