.
Hamamatsu Corporation
3
R3991 - PHOTOMULTIPLIER TUBE
PHOTOMULTIPLIER TUBE R3991 Ruggedized, High Temperature (175°C) PMT for Oil Well Logging (MWD) 19 mm (3/4 Inch) Diameter, 10-stage, Head-On Type GENE.
Hamamatsu Corporation
2
R3998-02 - PHOTOMULTlPLlER TUBE
PHOTOMULTlPLlER TUBE R3998–02 For High Energy Physics and Scintillation Counting, 28mm(1–1/8 Inch) Diameter, Low Profile, Bialkali Photocathode, 9–St.