LB 470 Level
7 Main Menu Device Setup
56925BA2 Rev. 03, 11/2017
87
Detector settings: Plateau
Device settings | Setup | Sensors | [NAME DETECTOR] | Plateau
The plateau provides information on whether the detector is stable. A plateau
measurement is therefore only carried out when the measured value drifts, or
other doubts exist about the function of the detector. Panel measurement can help
narrow down the possible cause of the problem.
The high voltage necessary for the operation of the photomultipliers is increased
stepwise for the plateau recording and the pulse rate measured after each increase.
The determined plateau curve is displayed on a diagram. The pulse rate increases
with increasing voltage. This must form a unique plateau. If a too short or too steep
plateau is detected, the detector is operating in an unstable manner. The submenu
"Plateau" (Fig. 64) leads to the plateau measuring and the display of plateau val-
ues.
Please contact your responsible service or sales partner, or Berthold directly, so that
they can get a qualified assessment to the measured plateau.
Fig. 64
Menu "Plateau"
Summary of Contents for Duo Xpert
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