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ID = 35479
Tube type:  Screen-grid Tetrode 
Identical to 932_Beckman = 1229

Base UX-Base (4 Pins (2 thick, USA 1924, UX)
Filament Vf 2 Volts / If 0.06 Ampere / Direct / Battery =
Description Electrometer tube for pH-meter, specially selected for Beckman Instruments. 
Text in other languages (may differ)
Information source - - Manufacturers Literature   Manual for Beckman pH-meter type G

932_beckman_sockel.png 932_Beckman: Sylvania Techn. Doc.
Wolfgang Holtmann

Just Qvigstad
Usage in Models 1= 1957

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):1

Collection of



Forum contributions about this tube
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932_Beckman (932_Beckman)
Peter Schuld

 Entspricht der 1229 (Tetrode) Heizung 2V und 0,06Amp. Pruefkarte 532 von Funke.

Geeignet fuer Vorstufen bis 3mA.

Anwendungsgebiete in pH-Messgeraete 

End of forum contributions about this tube

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