Description
/ Value
Unit
Spectral
R928
185 to 900
nm
response
R955
160 to 900
nm
Wavelength of maximum response
400
nm
Photocathode
MateriaI Minimum effective area
Multialkali 8 × 24
mm
Window
R928
UV glass
material
R955
Quartz
Dynode
Structure Number of stages
Circular-cage 9
Direct
Anode to last dynode
Approx.4
pF
interelectrode Anode to all other capacitances electrodes
Approx.6
pF
Base
11-pin base
Weight
Features
- GWide spectral response R928 185 nm to 900 nm R955 160 nm to 900 nm
GHigh cathode sensitivity Luminous 250 µA/lm Radiant at 400 nm 74 mA/W
GHigh anode sensitivity Luminous 2500 A/lm Radiant at 400 nm 7.4 × 105 A/W
G28 mm (1-1/8 inch) multialkali side-on standard PMT.