
2
•
Field strength measuring device can underrate pulsed signals.
Particularly with radar signals, significant measurement errors
can arise.
•
All field strength measuring devices have a limited specified
frequency range. Fields with spectral components outside of this
frequency range are generally incorrectly evaluated and tend to be
underrated. Before using field strength measuring devices, you
should thus be certain that all field components to be measured lie
in the specified frequency range of the measuring device.
2. INTRODUCTION
2-1 Fundamentals
Electromagnetic pollution:
This Meter used to indicate electromagnetic pollution
generated artificially. Wherever there is a voltage or a
current, the electric (E) and magnetic (H) fields arise. All
types of radio broadcasting and TV transmitters produce
electromagnetic fields, and they also arise in industry,
business and the home, where they affect us even if our
sense organs perceive nothing.
Electric field strength (E):
A field vector quantity that represents the force (F) on an
infinitesimal unit positive test charge (q) at a point divided by
that charge. Electric field strength is expressed in units of
volts per meter (V/m).
Use the units of electric field strength for measurements in the
following situations:
•
In the near-field area of the source.
•
Where the nature of the electromagnetic field is unknown.
Summary of Contents for TES-593R
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