Appendix 5. Radar measurements
The high frequency eld probes with the fast option have a special feature called
Max Fast RMS. It can be activated on the main screen with the “MODE” button.
This function affects the integration time of the probe, i.e. the time needed to
take the reading of the eld level. Under normal conditions, the probes of this
type available on the market take several hundred milliseconds. This unique
feature allows an integration time of just 4 milliseconds.
MODE: select the sampling mode for the probe
• Normal RMS: obtain the RMS value for the eld with normal integration time.
Suitable for most applications.
• Max fast RMS: allows measurement of the maximum RMS for the eld over
a very short integration time (4 ms). The maximum RMS value measured is
displayed every 0.5 sec.
Note 1: The Max fast RMS is very useful e.g. for measuring radiation from a rotating
radar antenna to determine its radiated power.
Note 2: Max fast RMS does not allow averaging, since the value obtained every 0.5
sec is the maximum value.
User’s Manual Electromagnetic Field Meter SMP2 P. 81
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