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Spectrometric photomultiplier tubes (PMTs)

 Head-on spectrometric PMTs with multialkali photocathode (venetian blend PMTs)
TypePMT-176PMT-185PMT-182PMT-183
Diameter (max), mm52528080
Useful photocathode diameter, mm46467272
Length (max), mm120110125125
Region of max spectral response, nm400÷420390÷410370÷430370÷430
Photocathode sensitivityluminous, µA/lm150180200130
radiant (at λ, nm), µA/W60 (410)77 (400)75 (400)70 (400)
Anode luminous sensitivity, A/lm10101010
Anode-to-cathode supply voltage, V1450125012501250
Dark current (dark noise count rate), nА (cps)<8155
Pulse hight resolution, %with NaI (TI) 137Cs7.06.66.77.5
with NaI (TI) 57Co10.59.59.710.5
Anode pulse rise time, ns-810-

Notes:

* - In maximum of spectral response

Features:

  • Wide spectral response range from UV up to near-IR
  • High sensitivity up to single photon counting
  • Fast time response and low noise
  • Capability of operation under conditions of intensive magnetic and radioactive fields as well as at high temperatures

Applications:

  • Photometry and spectrometry for weak light signals
  • Ecology, biophysics, medicine, geology, geophysics, etc.
  • Nuclea physics, high energy physics, etc.

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