
Hamamatsu Photonics
PHOTOMULTlPLlER TUBES
High Sensitivity, Bialkali Photocathode
28mm (1-1/8 Inch) Diameter, 9-Stage, Side-On Type
FEATURES
● Spectral Response
R3788 .................................................... 185 to 750 nm
R4332 ..................................................... 160 to 750 nm
● High Cathode Sensitivity
Luminous ........................................... 120 μA/lm Typ.
Radiant at 420nm .................................. 90mA/W Typ.
Quantum Efficiency at 210nm ......... 40% Typ. (R4332)
● High Anode Sensitivity (at 1000V)
Luminous ............................................... 1200A/lm Typ.
Radiant at 420nm ............................ 9.0 x 105 A/W Typ.
APPLICATIONS
● Fluorescence Spectrophotometers
● Emission Spectrophotometers
● Atomic Absorption Spectrophotometers