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Entry  Wed Mar 23 11:20:55 2022, Simon, Detectors, PMT operating voltages 
    Reply  Fri Apr 1 22:01:14 2022, Konstantin, Detectors, PMT operating voltages 
Message ID: 58     Entry time: Fri Apr 1 22:01:14 2022     In reply to: 28
Author: Konstantin 
Category: Detectors 
Subject: PMT operating voltages 
> During the testing of the PMTs the following operating voltages were applied:
>
> PMT Cu: -1300V
> PMT Nord: -2500V
> PMT Mitte: -1800V
> PMT Süd: -1800V
>
> Further optimization will be necessary during background measurements.

Currently, PMT Süd shows a strange behavior resulting in after-pulses up to 1µs. Therefore, the high-voltage was reduced to -1500 V.
However, the after-pulses remain. This should be investigated in more detail at some other point.
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