7 Safety Evaluation Mode
94 SRM-3006 Narda
7.1 About Safety Evaluation mode
Demonstrating safety in electromagnetic fields means providing answers to
the following questions:
• How high is the overall exposure level in relation to the permitted limit
value?
• What proportion of the emissions is due to which service?
• Which service perhaps needs to reduce its transmission power?
To do this, the entire spectrum needs to be measured selectively.
Nevertheless, only a few values are rally of interest: the overall level of
emissions and the contributions made by the individual services in terms of
field strength or as a percentage of the permitted limit value.
The SRM-3006 as expert
As a specialized instrument, the SRM-3006 provides Safety Evaluation
mode for this purpose. This has been specifically developed for assessing
the field strength exposure level in a multi-frequency environment. It delivers
an overview of the exposure level values for selected frequency bands, or
services, in terms of field strength units or in % of a selected human safety
standard. This means that information regarding compliance with defined
limit values is available directly at the site of the measurement, along with
data about the contributions made by frequency bands of interest to the
overall exposure level.
Service tables, which form the basis of Safety Evaluation mode, are
normally created using the SRM-3006 Tools PC software and uploaded to
the SRM-3006. You can find further information about this under PC
Software on page 171 and in the on-line help for the PC software.
You can also create service tables using the SRM-3006 itself, but with a
limited range of functions (see Displaying and creating service tables
on page 62 for details).
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