Mesutronic METRON 07 C, Перевод оригинального руководства пользователя

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-10- General information
Differences in sensitivity within the outlet opening
Please note, that the detector coil does not create a homogeneous electromagnetic field. As a consequence,
differences in sensitivity occur in the outlet opening. The least sensitive part of the detector is in the middle
of the outlet opening.
Sensitivity distribution taking the example of a
C-coil ( 1 ) and a CR-coil ( 2 ):
a)
Area of highest sensitivity
b)
Area of lowest sensitivity
Sensitivity differences of different metal types
Please note, that different metal types influence the electromagnetic field to a different degree. Please read
the metal-type dependent maximum sensitivity degrees in the data sheet.
Position-dependency of the metal parts
Metal detection can be dependent on the position and orientation of the metal part, depending on the shape
of the metal part. The maximum sensitivity values of the data sheet are tested with ball-shaped test parts.
Generally speaking, all metal parts that have at least the same diameter as the balls used for the data-sheet
values can be detected with certainty, irrespective of position and orientation.
Testing at regular intervals
Normally, errors of the detector itself are recognized by the self-monitoring system. However it cannot be
excluded that errors may occur which are not detected. Changes in the environment of the detector (e.g. new
machines) can influence the function of the detector.
For this reason, settings and function of the metal detector must be checked at regular intervals with suitable
test equipment.
Environmental and weather influences
The metal detector has to be protected against environmental and weather influences (direct sun, wind,
frost). The detector has to be especially protected from direct or indirect insulation when heating up is
above the allowed temperature. High surface temperatures can lead to false detections and destruction
of the metal detector in the worst case. A suitable protection device must therefore be provided (do not
use metal walls or roofing covers made from metal!)
.