Vintage MELZ Russian PMT (photomultiplier tube) FEU-69 (ФЭУ-69) FEU69.1pcs. NOS

Description

Vintage MELZ Russian PMT (photomultiplier tube) FEU-69 (ФЭУ-69) FEU69.1pcs. NOS
Vintage Russian photomultiplier tube FEU-69 (ФЭУ-69). Manufactured by MELZ (Moscow Radiolamp Factory) in year 1969, never used in original box, comes with original datasheet and factory's quality verification list (in Russian, see photos below). What you see in photos is what you'll actually get.
FEU
-69
Photomultiplier
for the
detection and measurement
of weak light
fluxes.
Photocathode
-
antimony-
sodium-
potassium
-cesium
, the spectral
characteristics of
N
10.
Optical input
-
end
.
Diameter of
cathode area
of 10 mm.
The number of
amplification stages
10.
Design
-
glass
, with
wire ends
.
The mass of
the FEU-
69
'30
The scheme of
connection
of the electrodes
, and
a typical
diagram of
the voltage divider
, as in
the FEU-
60.
Please allow for the following shipping times:
EU countries: 5-8 business days, on rare occasions a few days more
USA: 10-15 business days, on rare occasions more
South East Asia (Japan, Singapore, S. Korea, Hong Kong, Taiwan etc) 10 business days, on rare occasions more
India, China, Russia, Kazakhstan, Pakistan, Indonesia, Malaysia, Thailand, Australia, South Africa etc: at least 15 business days, but frequently around 25 business days
Please note that shipping cost is calculated at average. If you have any objections please contact me for a specific quotation.
Froo www.froo.com | Froo Cross Sell, Free Cross Sell, Cross promote, eBay Marketing, eBay listing Apps, eBay Apps, eBay Application