Please click your language flag. Bitte Sprachflagge klicken.


Information - Help 
ID = 62863
Brand: Werk für Fernmeldewesen (OSW, HF, WF) Berlin, VEB, RFT (Ostd.)
Tube type:  Electrometer, Space Charge Grid 
Identical to T113_WF
Similar Tubes
Other shape (e.g. bulb type):

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 Top contact with a cap.
Filament Vf 3 Volts / If 0.1 Ampere / Direct / Battery =

Electrometer tetrode with space charge grid for high impedance measurements.

Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
32 x 105 x 32 mm / 1.26 x 4.13 x 1.26 inch
Weight 50 g / 1.76 oz
Information source - - Manufacturers Literature   WF-Katalog Febr. 1956
T113_WF: A. H. Eigene Sammlung
Andreas Hamel

T113_WF: WF-Katalog Febr. 1956
Wolfgang Eckardt

from Just Qvigstad

Usage in Models 1= 1960??

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

You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]