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R2693P Datasheet(PDF) 1 Page - Hamamatsu Corporation |
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R2693P Datasheet(HTML) 1 Page - Hamamatsu Corporation |
1 / 4 page Transmission Mode Low Noise Bialkali Photocathode 28mm (1-1/8 inch) Diameter, Side-on Type GENERAL FEATURES Parameter Description Unit Spectral Response Wavelength of Maximum Response 185 to 650 nm nm Photocathode MateriaI 375 Structure 1.2 pF Anode to Last Dynode 3.4 pF Anode to All Other Electrodes Minimum Effective Area Low noise bialkali mm Window Material 16(H) 18(W) Dynode Direct Interelectrode Capacitances Base Applicable Socket Assembly UV glass Circular-cage Number of Stages 9 11-pin base JEDEC No. B11-88 E717–21 (option) SuitabIe Socket E678–11A (option) Low Dark Current Low Dark Counts (R2693P) Wide Photocathode Excellent Spatial Uniformity Fast Time Response APPLICATIONS Fluorescence Detector Chemiluminescence Detector Raman Spectroscopy Emission Spectroscopy Light Scattering Detector Figure 1: Electron Trajectories Figure 2: Typical Spatial Uniformity PHOTOMULTlPLlER TUBES R2693, R2693P TPMSC0003EB LIGHT PHOTOCATHODE GLASS BULB FOCUSING ELECTRODES 1st DYNODE 3rd DYNODE 2nd DYNODE PHOTOELECTRONS TPMSB0066EA Y X 100 80 60 40 20 0 84 0 4 8 DISTANCE FROM CENTER OF PHOTOCATHODE (mm) 100 80 60 40 20 0 9 4.5 0 9 4.5 DISTANCE FROM CENTER OF PHOTOCATHODE (mm) SPOTSIZE : 1mm DIA SUPPLY VOLTAGE : 1000V WAVELENGTH : 400nm X-Axis Y-Axis Subject to local technical requirements and regulations, availability of products included in this promotional material may vary. Please consult with our sales office. Information furnished by HAMAMATSU is believed to be reliable. However, no responsibility is assumed for possible inaccuracies or omissions. Specifications are subject to change without notice. No patent rights are granted to any of the circuits described herein. © 1993 Hamamatsu Photonics K.K. |
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