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FEU-35 photomultiplier tube
FEU-35 photomultiplier tube
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Photoelectronic multiplier FEU-35 tube.
Photo-cathode: antimony-cesium;
Optical input: front;
The diameter of the working area of the cathode: 25mm;
The number of amplification stages: 8;
Area of spectral sensitivity: 300-600 nm;
Area of maximal spectral sensitivity: 380-420 nm;
Sensitivity of the photo-cathode: 20-40 mkA/lm;
Black current (at anode sensitivity 10 A/lm): 2*10 to -9 power - 1*10 to -8 power;
Anode sensitivity, A/lm:
at U = 0.7-0.9kV: 1
at U = 1.05-1.4kV: 10
at U = 1.25-1.75kV: 30
Supply voltage (U): < 1.75kV;
Anode current: < 50mkA.
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