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PHOTOMULTlPLlER TUBES R4220 R4220P(For Photon Counting)
Very High Cathode Sensitivity with Low Noise Photocathode
FEATURES
Spectral Response ................................... 185 to 710 nm High Cathode Sensitivity Luminous ...................................................... 100 A/lm Radiant at 410nm ............................................ 70 mA/W High Anode Sensitivity (at 1000V) Luminous ....................................................... 1200A/lm Radiant at 410nm ..................................... 8.4 105 A/W Low Dark Current .................................................... 0.2nA Low Dark Counts (R4220P) ................................... 10 cps
Hamamatsu R4220 features extremely high cathode sensitivity, high Gain, and low dark current.
R4220P Datasheet
