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R331-05

Hamamatsu Corporation
Part Number R331-05
Manufacturer Hamamatsu Corporation
Description PHOTOMULTIPLIER TUBES
Published Apr 16, 2005
Detailed Description PHOTOMULTIPLIER TUBES R331, R331-05 For Liquid Scintillation Counting Bialkali Photocathode, 51mm (2 Inch) Diameter, 12...
Datasheet PDF File R331-05 PDF File

R331-05
R331-05

Overview
PHOTOMULTIPLIER TUBES R331, R331-05 For Liquid Scintillation Counting Bialkali Photocathode, 51mm (2 Inch) Diameter, 12 Stages, Head-On Type The R331 and the R331-05 are 51mm (2 Inch) diameter series photomultiplier tubes specifically developed for the liquid scintillation counting.
They feature low background noise, high tritium efficiency, good linearity and high gain.
The R331 uses a synthetic silica input window and the R331-05 uses a low K content borosilicate glass input window, both with a frosted surface and convex-concave shape.
They offer minimized glass scintillations and high collection efficiency.
FEATURES Tritium efficiency in tritium window.
.
60% Typ.
Background noise in tritium window16cpm Typ.
(R331) 18cpm Typ.
(R331-05) Tritium end point (T.
E.
P.
) voltage.
.
.
.
1700V Typ.
Dark pulse summation at T.
E.
P.
voltage.
.
.
.
3 × 104cpm Max.
Figure of merit (E2/B).
.
.
.
...


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