МЭЛЗ Газонаполненный фотоэлемент ЦГ-4
              MELZ Gas-filled Photocell CG-4
              Cellule photoélectrique en boîtier métal
              Fotozelle im Metallgehäuse
              Manufactured by • Fabriqué par • Hergestellt von : MELZ (Moscow electro-lamp plant).
			  This photocell was used in cinema equipment.
              Photocathode: S-1 (Ag-O-Cs)
              Sensitivity: 100 μA/lm
              Dark current: not more than 1·10-7 A
              Supply voltage: 240 V (limit: 300 V)
              Operating temperature range: –10...+40 °C
              Fiche technique • Data sheet • Datenblatt:
              CG-4.pdf &
              CG-3-4.pdf &
              Russian_Photocells.pdf
              Thanks to Kalle Beljaev who donated this tube.
               
			  
			  Hauteur • Height • Höhe : 123 mm • 4" 7/8
			  Diamètre • Diameter • Durchmesser : 39 mm • 1" 1/2
              
			  
               
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