MP 900
Specification *)
Detector
Detector type
CPM-Channel Photomultiplier
Model *)
MP 942
MP 943
MP 944
MP 952
MP 962
Installed CPM type
Photocathode diameter
Photocathode material
Window material
Spectral response / nm
Quantum efficiency
Dark counts (typ.)
C 942 P
C 943 P
C 944 P
min. 5 mm
Bialkali
C 952 P
C 962 P
Bialkali
Quartz
165-650
Bialkali
UV-glass
185-650
Multialkali
Quartz
165-750
Multialkali
Quartz
165-850
Boro
300-650
20% typical
10 cps
10 cps
10 cps
50 cps
100 cps
P Version
Model
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
Installed CPM type
Dark counts (typ.)
*) Additional models on request
Photon Counting Electronics Data
Linear count rate
Output pulse
5 MHz
TTL, positive
Over-illumination protection
Output impedance
Supply voltage
active quenching control
50 ohms
+5 to +5.5 V DC
Active Quenching Control
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
Output pulse width
Input current at max. count rate
GATE voltage Vgate
TTL-level: h to l
TTL-level: l to h
set time Vca to Vch-ent +100 V : ≈ 150 µs
set time Vca to Vch-ent - 100 V : ≈ 150 µs
Maximum Ratings
Input voltage
+5.5 V
Operating temperature
Storage temperature
Weight
5 to 40 °C
-20 to 50 °C
approx. 390 g
PERKINELMER [ PERKINELMER OPTOELECTRONICS ]
