1x FEU-51 (FEU51) USSR photomultiplier tube / NEW OLD STOCK
1pcs in one lot ! ! !
About FEU-51 :
Photomultiplier FEU-51 with a translucent antimony-potassium-sodium-cesium photocathode, with an end optical input, electrostatic focusing of electrons, designed for indicating and measuring weak light fluxes in the spectral region of 300-820 nm in devices for wide application.