HyCal PMT Electrical Testing Pictures

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Below are photos of the work and work setup of the PMT Electrical Tests:

Connectors to the PMT in Board 5 of HyCal. Aruni working on electrical Board 5.

Aruni and Buddhiman working on electrical Board 5. PMT Testing Computer Setup

Below are images of the PMT for some notable PMTs and some good ones to keep track of any issue modules with convention "C[Column #]#[Connector #]". These are from October 22, 2024 with other PMT responses that have been captured available in their corresponding Log Post on the PRad Logbook:

C05#027_Good C05#028_GoodBig

After testing all PbWO4 there remained 2 bad modules. These modules were C066#22 (W15 [1015]) and C09#134 (W889 [1889]) with the former giving poor wide signals (seen below) and the other not responding at all.

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