12 GB/IE/NI
area is aligned parallel to the target area of
the measurement.
If necessary use the level indicator
7
to
align the product horizontally. The air bubble
of the level indicator should be between the
two markings
if the alignment is hori-
zontal.
Press the READ button
4
. The laser diode
11
projects a dot of light onto the end point of
the measurement. This dot of light will help you
to correctly align the product. After successful
measuring, the length will appear in the
display.
Avoiding measuring errors
In order to avoid measuring errors,
please note the following information:
The measurement is performed by ultrasound,
which travels from the ultrasonic transmitter
1
in a conical manner. The ultrasound is reflected
from the target area and received by the ul-
trasonic receiver. The product calculates the
measured length (Fig. B) from the travel time
of the signal.
In order to guarantee an exact measure-
ment, the following conditions must be
maintained (Fig. B):
The reference area (A) must be parallel to the
target area (B).
The distance to be measured must be between
0.6 m and 16 m long.
There must be no objects in the conical path
of the ultrasound, which could reflect the ul-
trasound prematurely. The conical path of the
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