FEU-84-3 (ФЭУ-84-3)  PMT Photomultiplier USSR

Up for sale lot of 1pc tube FEU-84-3 in box.

A photomultiplier tube for detecting directional light beams with a wide dynamic range of brightness. Photocathode: antimony-potassium-sodium-cesium, spectral characteristic №8.

The diameter of the working area of the photocathode is 25 mm.

The number of  amplification cascades is 12.

Design - glass, baseless (RSh 38/РШ 38).

Weight 80 g.