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參數(shù)資料
| 型號(hào)： | MH944P |
| 廠商： | PerkinElmer Inc. |
| 英文描述： | Ultra High Sensitivity Gateable Photon Counting Module |
| 中文描述： | 超高靈敏度Gateable光子計(jì)數(shù)模塊 |
| 文件頁(yè)數(shù)： | 2/3頁(yè) |
| 文件大小： | 53K |
| 代理商： | MH944P |
MP 900
Specification *)
Detector
Detector type
CPM-Channel Photomultiplier
Model *)
Installed CPM type
Photocathode diameter
Photocathode material
Window material
Spectral response / nm
Quantum efficiency
Dark counts (typ.)
MP 942
C 942 P
MP 943
C 943 P
MP 944
C 944 P
min. 5 mm
Bialkali
Boro
300-650
20% typical
10 cps
MP 952
C 952 P
MP 962
C 962 P
Bialkali
Quartz
165-650
Bialkali
UV-glass
185-650
Multialkali
Quartz
165-750
Multialkali
Quartz
165-850
10 cps
10 cps
50 cps
100 cps
P Version
Model
Installed CPM type
Dark counts (typ.)
*) Additional models on request
MH 942P
C 942 P
10 cps
MH 943 P
C 943 P
10 cps
MH 944 P
C 944 P
10 cps
MH 952 P
C 952 P
50 cps
MH 962 P
C 962 P
100 cps
Photon Counting Electronics Data
Linear count rate
Output pulse
Over-illumination protection
Output impedance
Supply voltage
Active Quenching Control
5 MHz
TTL, positive
active quenching control
50 ohms
+5 to +5.5 V DC
TTL-Pulse, active high,
RESET: internal via timer, typ. 0,5 s
external via TTL-pulse
adjustable, min. 15 ns, max. 1 μs
< 250 mA
TTL-level: h to l
TTL-level: l to h
Output pulse width
Input current at max. count rate
GATE voltage V
gate
set time V
ca
to V
ch-ent
+100 V :
≈
150 μs
set time V
ca
to V
ch-ent
- 100 V :
≈
150 μs
Maximum Ratings
Input voltage
Operating temperature
Storage temperature
Weight
+5.5 V
5 to 40 °C
-20 to 50 °C
approx. 390 g
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