
Operation User
Manual
October 2015
QCL-MAN-CT2211-Aerosol-Leak-Detection-System-Rev F
Operation
20
5.1.6
CT2211 Graphs Screen
This optional screen allows you to view the laser pulse data and the concentration data
from the leak detector. The data is read from the sensor at a frequency of
approximately 1Hz. The leak detector runs in real time; however, the data displayed on
the graphs is not displayed in real time and is for diagnostic purposes only.
Figure 5-6
below shows the CT2211 Graphs Screen.
Figure 5-6 CT2211 Graphs Screen
A.
Laser Pulse Graph: displays a laser pulse from the last second of running.
B.
Laser Threshold: is the voltage that the laser pulse must be above to ensure the laser
healthy status signal is OK.
C.
Concentration Graph: is the output from the concentration calculations on the Leak
Detector. A rejected can will show as a spike on this graph above the thresholds.
D.
Noise: shows the overall noise level of the concentration data. The lower the number the
better.
E.
Lower Threshold: in order to reject a can using the lower threshold the leak detector must
see at least two consecutive concentrations above this threshold.
F.
Upper Threshold: in order to reject a can using the upper threshold the leak detector must
see at least a single concentration above this threshold.
D
C
B
A
F
E