Appendix 5. Radar measurements
The high frequency field 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 field 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 field with normal integration time.
Suitable for most applications.
• Max fast RMS: allows measurement of the maximum RMS for the field
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.
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