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4.
Importantes Notes
4.1
Adjusting the measuring distance
The field strength depends on the measuring
distance. If a measuring distance of 30 mm can not
be maintained, the reading can be converted using
the Distance error compensation graph.
To do this, divide the measured voltage V
read off percentage to obtain the effective
voltage V
(1% = 0.01).
O
Example
Distance = 2.5cm (120%)
V
= 1KV
A
V
= 1KV : 120% = 0.833KV
O
4.2
Influence of other objects
Adjacent objects can affect the reading. To ensure a precise reading, remove all objects that are not needed
from the measurement area.
4.3
Influence of size of measured object
The size of the measured object also affects the
reading. You can correct this value using the Size
error compensation graph. To do this, divide the
measured voltage V
the graph to obtain the effective voltage V
Example
Square dimensions = 10cm × 10cm (85%)
V
= 1KV
A
V
= 1KV : 85% = 1.176KV
O
4.4
Influence of charged particles
The measurement sensor can attract charged dust particles, which can affect the reading. It is therefore
important to keep the sensor clean at all times.
A
by the percentage read off
A
O
by the
.
Distance error compensation
Size error compensation
18
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