Product Description
This is a 13mm diameter (10mm active diameter) end-on photomultiplier with a bialkali cathode. Like other members of the R647 series, nominal applied voltage is 1000v, 13 pins, with 10 Dynodes. Spectral range is from 300 to 650nm. Peak sensitivity is 420nm.
Particulars to the R647-04 tubes:
• Cathode Radiant Sensitivity - 80mA / W
• Cathode Luminous Sensitivity - 105uA / lm
• Anode Luminous Sensitivity 230A / lm
• Gain - 2.2E +06
• Dark Current (after 30 min) - 5 nA
For full specifications please check the Hamamatsu website:
http://sales.hamamatsu.com/en/products/electron-tube-division/detectors/photomultiplier-tubes/part-r647-04.php?&checkprod=
These photomultipliers are used, pulled from an interferometer detector assembly. They are not tested but appear to be in excellent condition.
Photo set 1277