3 Preparing the NBM-520 for use
20 NBM-520 Narda
3.4 Connecting the probe
There are many different probes available for different appli-
cations for the NBM-520. You can find more information
about the order numbers and specifications of the probes
under “Ordering information” on page 55, as well as in
the data sheets of the NBM-520 and NBM probes. These
documents can also be downloaded from the Narda web
site on the Internet at^http://www.narda-sts.com.
WARNING
Probe is not operating properly
Possibly present high radiation values can not be rec-
ognized when a probe is defective.
Check probes for proper operation with a signal source
before using this measuring instrument. This is espe-
cially important for thermocouples because the sen-
sors can be affected by various mechanical and
environmental stressors.
Narda offers portable sources to accomplish this im-
portant step (see “Accessories” on page 57).
Before beginning any RF radiation measurement, al-
ways advise yourself of the frequencies and field
strengths that you could expect to encounter.
NOTICE
Wrong handling of the probe
Damage of the probe head
Always hold the probe at the metal plug end.
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