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27M12

Information - Help 
ID = 31700
       
Country:
Great Britain (UK)
Brand: Ediswan, Siemens Edison Swan Electric Co.; London
Tube type:  Photomultiplier   Text 
Identical to 27M12
Similar Tubes
Other class quality (otherwise equal):
  27M12A
Successor Tubes 27M12A  

Base Wires only.
Was used by Technology / Measurement
Filament
Description

9 stage Shock-Resistant Photo-multiplier.
Va<585, Ia<1mA. Current Gain 20,000 with 65V per stage.
Peak spectral response 4650 Å

 
Dimensions (WHD)
incl. pins / tip
30 x 77 x mm / 1.18 x 3.03 x inch
Information source - - Manufacturers Literature   Ediswan tube catalog January 1959

27m12_ediswan_data_01.png
27M12: orig. data sheet
Anonymous 10 Collector

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Collection of

 
27m12_edi_1.jpg

27M12
 

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