The first shipment of 1" PMTs arrived in April of 1997. A total of 50 units of Hamamatsu 1" diameter head-on PMTs, catalog #R1398-04 have been tested. The factory specification sheets (1 of 2 and 2 of 2) for these PMTs will be maintained on-line for easy reference.


Test Results
Sorted by Set
Sorted by Serial Number
Sorted by 331 PMT number
March 23, 1998 - RWL

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The 0.5" PMTs were tested in May and June of 1999. A total of 379 units of Hamamatsu 0.5" diameter PMTs, catalog #H3165-10 Mod have been tested.


Test Results
Sorted by Serial Number
Sorted by Channel Number
July 14, 1999 - KWH