R955P Datasheet | HAMAMATSU

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 m A/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 APPLICATIONS GSpectroscopy GBiofluorescence detection GLaser scanning microscope GSemiconductor inspection GEnvionmental monitoring SPECIFICATIONS GENERAL Parameter Description / Value Unit Spectral R928 185 to 900 nm response R955 160 to 900 nm Wavelength of maximum response 400 nm Photocathode Materia I 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 p F interelectrode Anode to all other capacitances electrodes Approx. 6 p F Base 11-pin...