FEU-27 PHOTOMULTIPLIER TUBE USSR SOVIET photoelectric multiplier lamp

Description

Manufacturer: MELZ
Country of origin: USSR
Date of issue: X 1984
The FEU-27 photomultiplier tube is designed to measure and register weak light fluxes.
Photocathode - bismuth-silver-cesium. The number of amplification stages is 11.
Basic data
Spectral sensitivity range ......... 300-800 nm
The region of maximum spectral sensitivity ........ 480-520 nm
Photocathode sensitivity (Usup = 150/200 V) ......... ≥30 μA / lm
Anode sensitivity:
at Usup = 1.1 kV ... .... 1 A / lm
at Usup = 1.5 kV ... .... 10 A / lm
at Usup = 1.8 kV ... .... 30 A / lm
Dark current (at Usup = 1.1 kV) ... ... ≤ 5 * 10 -9 A
Anode current, average value ......... 200 μA
Supply voltage .......... 1890 V
Voltage between cathode and diaphragm 150-200 V
Sensitivity threshold ........ ≤ 6.75 * 10 -12
Operating time ....... ≥ 750 h
Evaluation criterion:
anode sensitivity ....... 10A / lm
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Shipping time - 10-30 days
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Thing will be securely packed.
Delivery from Ukraine by postal service.
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