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EMI 9531B PHOTOMULTIPLIER TUBE NOS IN ORIGINAL BOX RARE

EMI 9531B PHOTOMULTIPLIER TUBE  NOS  IN ORIGINAL BOX RARE

NEW NEVER USED

3.5-inch diameter, top window photomultiplier. SbCsO, S-11 type photocatode,

 with peak response in the blue; 11 venetian-blind dynodes coated with CsSb.

 Intended for scintillation gamma-ray spectroscopy. 15 pin, B15B glass base. 

Price excl. tax: 180.00лв.
Price inc. tax: 216.00лв.
Quantity:

Photocell vacuum Ф26 F26 USSR

Photocell   vacuum  Ф26 F26 USSR 

Work spectrum  210-650 nm

The tubes are new in original packaging 

 

 

 

 

Price excl. tax: 25.00лв.
Price inc. tax: 30.00лв.
Quantity:

Photocell vacuum Ф17 F17 USSR

Photocell  vacuum  Ф-17 F17 USSR 

Work spectrum  160-650 nm

 

The tubes are new in original packaging 

 

 

 

 

Price excl. tax: 25.00лв.
Price inc. tax: 30.00лв.
Quantity:

Photocell vacuum Ф23 F23 USSR

Photocell  vacuum Ф-23 F23 USSR 

Work spectrum  400-1200 nm

The tubes are new in original packaging 

 

 

 

 

Price excl. tax: 25.00лв.
Price inc. tax: 30.00лв.
Quantity:

Photocell vacuum Ф4 F-4 USSR

Photocell  vacuum Ф-4 F-4 USSR 

Work spectrum  215-600 nm

The tubes are new in original packaging 

 

 

 

 

Price excl. tax: 25.00лв.
Price inc. tax: 30.00лв.
Quantity:

Photocell vacuum SCV-3 USSR

 

Photocell vacuum  SCV-3  USSR

Antimony-cesium catode 

The tubes are new NOS  never used!

Price excl. tax: 25.00лв.
Price inc. tax: 30.00лв.
Quantity:

Photocell vacuum Ф5 F5 USSR

Photocell vacuum  Ф5 F5 USSR 

Work spectrum  400-1200 nm

The tubes are new in original packaging 

 

 

 

 

Price excl. tax: 25.00лв.
Price inc. tax: 30.00лв.
Quantity:

Photomultiplier FEU-35 / ФЭУ-35 / USSR

Photomultiplier  FEU-35 / ФЭУ-35 / USSR
 
FEU-35 multiplier photoelectronic electrovacuum designed to convert optical radiation into
an electrical signal with its subsequent amplification and consisting of a photocathode, a diode multiplier system and an anode.
 Multipliers FEU-35 is used for operation in scintillation counters for gamma spectrometry.
 
 
 Technical characteristics of FEU-35:
 The light sensitivity of the photocathode is 40 μA / lm.
The spectral sensitivity is not less than 0.02 A / W.
 The spectral characteristic type is C-6.
The range of spectral sensitivity is from 0.38 μm to 0.42 μm.
The region of maximum spectral sensitivity is from 0.3 μm to 0.6 μm.
 The light anode sensitivity of FEU-35 is from 700 A / lm to 1750 A / lm.
The light energy equivalent of the dark current is 1.8 keV.
 The maximum operating voltage of power supply is not more than 1750 V.
The number of dynodes of the multiplier FEU-35 is 8.
 The dark current of the multiplier with a light anode sensitivity of 10 A / lm is 0.02 μA.
The anode current is not more than 50 μA.
 Arrangements of the entrance window of FEU-35 - face.
The size of the photocathode is 25 mm.
The ambient air temperature is from -60 ° C to + 50 ° C.
 Dimensions:
- length - 109 mm;
- diameter - 30 mm.
Price excl. tax: 30.00лв.
Price inc. tax: 36.00лв.
Quantity:

Photomultiplier FEU-17A ФЭУ-17А USSR

Photomultiplier FEU-17A ФЭУ-17А  USSR 

Photoelectric multiplier FEU-17A is used in spectrophotometers for astrophysical purposes ..

The tubes are new in original packaging 

 

 

 

 

Price excl. tax: 40.00лв.
Price inc. tax: 48.00лв.
Quantity:

Photomultiplier FEU-19A ФЭУ-19А USSR

Photomultiplier FEU-19A ФЭУ-19А  USSR 

Photoelectric multiplier FEU-19A is used in spectrophotometers for astrophysical purposes ..

The tubes are new in original packaging 

 

 

 

 

Price excl. tax: 40.00лв.
Price inc. tax: 48.00лв.
Quantity:
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