2
0
2
0
-0
5
34
Appendix
Figure 9.2
Amplitude characteristics OMD30M-R2000-B23-V1V1D*; OMD30M-R2000-
B23-V1VD-HD-1L (ends at 30m); OMD12M-R2000-B23* (ends at 12 m)
The measurement on reflective film is based on a vertical angle of incidence on a
40 mm-wide reflective strip and an angular resolution of 0.071
°
.
The measurement on a white (90 % reflectivity), natural surface is based on a
vertical angle of incidence and an emitted beam that hits the entire surface of the
measurement object.
If the emitted beam is at an entrance angle of 60
°
... 70
°
on the reflective film, the
measured value drops by approximately 50 % compared to the value for a vertical
entrance angle.
9.3
Pulse Ranging Technology (PRT) Glossary
2500
2000
1500
1000
500
0
0.1
1
10
100
Echoamplitude [digit]
Echoamplitude characteristic
Echoamplitude on Diamond Grade 983-10
Object remission 0% ... 90 %
Distance X [m]
Term
Explanation
Accuracy
The degree to which the measurement
result corresponds to the true value of the
measurement. The accuracy is a relative
error based on a measurement standard.
For practical applications, a distinction is
made between different influencing
factors.
Absolute accuracy
The total of all systematic measurement
errors (e.g., linearity, device offset) over a
defined distance range, reflectivity range,
and temperature range that cannot be
eliminated by other actions such as
average determination.
