Leuze
electronic
General Information
Leuze electronic
ODS 96
5
1
General Information
1.1
Explanation of Symbols
The symbols used in this operating manual are explained below.
Attention
This symbol appears in front of text which must be carefully observed. Failure
to heed this information can lead to injuries to personnel or damage to the
equipment.
Attention Laser Radiation
This symbol warns of possible danger through hazardous laser radiation.
Notice
This symbol indicates text which contains important information.
1.2
Important Terms
Triangulation
Distance measuring procedure, which determines the distance of an object
by the incidence angle of the light reflected from the object.
Absolute measurement
accuracy
Shows the possible divergence of the measurement value from the anticipat-
ed value through changes in the environmental conditions during the mea-
suring process. Higher accuracy is given at constant environmental condi-
tions.
Repeatability
Measuring distance change with repeated measurement at the same output
signal (observe the same peripheral conditions as with resolution).
Resolution
The smallest possible distance change of the measured object, which causes
a definite change in the output signal. Resolution is higher in the proximate
area than in the distant area. Small objects can be recognized better in the
proximate area.
Remission
Return and/or degree of reflection of the radiated light.
Integration time
The integration time of the ODS 96 is comparable to the exposure time in a
camera. It is automatically adjusted to the intensity of the reflected light and
thus depends on the reflectance factor of the measured object. It is inversely
proportional to the measurement frequency.
Measurement
frequency
The measurement frequency represents the number of measurements per
second. When adjusting the integration time to the reflectivity independency,
the measurement frequency changes corresponding to the reflectivity value.
Response time
The time period required by the ODS to obtain stable measurements after
change of the reflectivity behavior.
Delay before
start-up
The delay before start-up indicates the point in time when the first valid mea-
surement can be obtained after switching on.
