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參數(shù)資料
| 型號： | R955 |
| 廠商： | Hamamatsu Photonics |
| 英文描述： | PHOTOMULTlPLlER TUBES |
| 中文描述： | PHOTOMULTlPLlER管 |
| 文件頁數(shù)： | 1/4頁 |
| 文件大?。?/td> | 80K |
| 代理商： | R955 |
Extended Red, High Sensitivity, Multialkali Photocathode
28mm (1-1/8 Inch) Diameter, 9-Stage, Side-On
GENERAL
FEATURES
Wide Spectral Response
R928 ........................................................
R955 ........................................................
High Cathode Sensitivity
Luminous ......................................................
Radiant at 400nm .............................................
High Anode Sensitivity (at 1000V)
Luminous ........................................................
Radiant at 400nm .....................................
Parameter
Description/Value Unit
Spectral Response
R928
R955
The R928 and R955 feature extremely high quantum efficiency,
high current amplification, good S/N ratio and wide spectral re-
sponse from UV to near infrared. The R928 employs a UV glass
envelope and the R955 has a fused silica envelope for UV sen-
sitivity extension.
The R928 and R955 are well suited for use in broad-band spec-
trophotometers, atomic absorption spectrophotometers, emis-
sion spectrophotometers and other precision photometric in-
struments.
Wavelength of Maximum Response
Photocathode
MateriaI
Minimum Effective Area
Window Material
185 to 900
160 to 900
nm
nm
nm
400
Structure
Number of Stages
Approx. 4
Approx. 6
11-pin base
JEDEC No. B11-88
pF
pF
Anode to Last Dynode
Anode to All Other Electrodes
Base
R928
R955
Multialkali
8 24
Secondary Emitting Surface
Multialkali
Circular-cage
9
mm
Weight
SuitabIe Socket
g
Approx. 45
E678–11A (option)
Dynode
Direct Interelectrode Capacitances
SuitabIe Socket Assembly
UV glass
Fused silica
E717–21 (option)
lnformation furnished by HAMAMATSU is believed to be reliabIe. However, no responsibility is assumed for possibIe inaccuracies or ommissions. Specifications are
subject to change without notice. No patent right are granted to any of the circuits described herein.
1997 Hamamatsu Photonics K.K.
Subject to local technical requirements and regulations, availability of products included in this promotional material may vary. Please consult with our sales office.
PHOTOMULTlPLlER TUBES
R928, R955
Low Drift and Hysteresis
185 to 900 nm
160 to 900 nm
250 A/lm
74mA/W
2500A/lm
7.4 10
5
A/W
Figure 1:
Typical Spectral Response
TPMSB0001EB
100
10
1
0.1
0.01
100
200
300 400
500 600
700 800
900 1000
WAVELENGTH (nm)
C
Q
R928
QUANTUM EFFICIENCY
R955
CATHODE
RADIANT
SENSITIVITY
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