FCALPMT

PMT specifications

The PMT are russian made 12-Stage tubes of the type PEU-84-3 with a 30mm diameter SbNa-KCs cathode
The tube outer diameter is 1.339" or 34.01mm and are about 100mm long (without the pins)
The current desing of the base has an outer diameter of 1.5" or 38.1mm
with an length of about 157mm including the PMT-connector ring and the aluminum end cap.