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M a d e in G e r m a n y
General Hints for Measuring
As the field strength increases when coming closer to sources of
EMF pollution, it is possible to locate these by following the higher
readings until reaching the emitting source. The tone signal pro-
vided facilitates this process. As fields (especially magnetic fields)
can penetrate even massive construction material, the sources
might even be located outside the building, e.g. high-tension power
lines, electrified railway trails, transformers as well as neighbouring
houses and apartments.
Ideally, all measurements are to be repeated during various times
of the day and on different days of the week in order to identify
fluctuations.
Measurement Instructions – Electric Fields
According to relevant guidelines (TCO etc.), the field meter should
be connected to ground potential in order to obtain reliable, repro-
ducible testing results.
Grounding the Field Meter:
Insert the plug of the enclosed grounding cable into the
dedicated socket of the meter
along the side of the case to the back (see picture).
Make sure that neither the grounding cable nor the
user's hand is in the front of the meter (falsifies the
reading!).
Unvarnished metal piping for water, gas or heating is especially
adequate for grounding with the grounding cable, if need be a
small blank wire will help making the contact. A large nail in the
wet ground of the garden is fine, too. Professionals can also use
the earth contact of a wall socket.
Turn on the field meter and set it to "E" (ME 3840B: Set the filter to
"50 Hz"). Keep the meter close to your body. The further away
from the body it is held, or if it is even put down, the more the test-
ing results tend to become distorted into the higher range. During
testing please make sure that the person performing the survey, as
well as anybody else present, is located behind the meter. Pro-
ceed as follows:
Move slowly through the room to be measured. Stop frequently
and take measurements pointing to all directions including ceil-
ing and floor.
Move into the direction of the highest reading in order to iden-
tify the field source.
In places where people spend substantial amounts of time,
such as in bed or at a workplace, check all directions as men-
tioned above until you have reached the maximum reading at
the spot, where the body of the person would be located.
An EMR survey of sleeping areas should be conducted under
"sleep conditions," with all electrical equipment turned on or off as
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and run the cable
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