CPM C1900 Series
3/4” CPM Channel Photomultipliers
CPM C1900 Performance Specifications
Spectral response
100
C
1943C 1944
10
C
1983
C
1973
C
1972
1
C
1962
C
1322
1921
C
C
1952
800
C
1982
C
1911
C
1942
0.1
100
200
300
400
500
600
700
900
Wavelength (nm)
Current Amplification
Dark Current
1,E-05
1,E-06
1,E-07
1,E-08
1,E-09
1,E-10
1,E-11
1,E+09
1,E+08
1,E+07
1,E+06
1,E+05
1,E+04
1,E+03
1,E+02
C 1962
C 1942
C 1952
C 1972
C 1982
C 1922
C 1911
1,E-12
1000
1500
2000
2500
3000
1000
1500
2000
2500
3000
Bias voltage (V)
Bias Voltage (V)
Typical Photo Electron Spectrum
Equivalent Noise Input
2000
1500
1000
500
0
1E-14
1E-15
1E-16
1E-17
1E-18
CPM
C 1972
C 1962
C 1952
C 1942
C 1982
C 1911
C 1922
0
50
100
150
200
250
300
100
300
500
700
900
Channel
W avelength (nm )
CAUTION: High Voltage Warning!
This product is operated at high voltage. Extreme care must be taken to ensure operator safety and to avoid
damage to other instruments. Avoid direct contact with the photomultiplier when high voltage is applied. Avoid
placing conductive material close to the cathode.
All given values are nominal/typical @ 20 °C ambient temperature; specifications subject to change without
notice.