Why are there two different readings?
The Acoustimeter is unique in the way it
displays information about its readings.
There are two different displayed results,
showing values for Peak and Average
measurements. At first, this may seem
confusing. We believe that it is important to
know both when assessing your exposure to
modern telecommunication signals. We
believe that it is the peaks in pulsing signals
that are the most bio-active at typical
modern relatively low exposure levels.
Digital and Analogue?
Most modern wireless devices use a digital
system of communicating. These include
mobile phones, WiFi, Cordless phones
(DECT), Digital TV & DAB Radio. Many
modern digital systems turn the signal on
and off at high speeds to represent data,
often with extra gaps between data bursts.
This produces a non-continuous signal,
which we describe as “pulsing”. The
Acoustimeter allows you to hear this as one
way of identifying the signals.
An analogue signal is a system of
communication that is not digital. They use
a continuous carrier, and instead of turning
“on and off” to represent data, will vary the
frequency (FM) or strength (AM).
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