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Wavemeter T.F. 643 A

Wavemeter T.F. 643 A; Marconi Instruments, (ID = 1927244) Equipment
Wavemeter T.F. 643 A; Marconi Instruments, (ID = 1741636) Equipment Wavemeter T.F. 643 A; Marconi Instruments, (ID = 1741637) Equipment
Wavemeter T.F. 643 A; Marconi Instruments, (ID = 131878) Equipment Wavemeter T.F. 643 A; Marconi Instruments, (ID = 1927712) Equipment
Wavemeter T.F. 643 A; Marconi Instruments, (ID = 1927713) Equipment Wavemeter T.F. 643 A; Marconi Instruments, (ID = 1927714) Equipment
Wavemeter T.F. 643 A; Marconi Instruments, (ID = 1927715) Equipment
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Wavemeter T.F. 643 A; Marconi Instruments, (ID = 1741636) Equipment
Marconi Instruments,: Wavemeter T.F. 643 A [Equipment] ID = 1741636 1280x1166
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For model Wavemeter T.F. 643 A, Marconi Instruments, Marconi-Ekco (MI, MEI)
 
Country:  Worldwide
Manufacturer / Brand:  Marconi Instruments, Marconi-Ekco (MI, MEI)
Year: 1942 ? Category: Service- or Lab Equipment
Valves / Tubes 1: HL23 or HL23DD
Details
Power type and voltage Dry Batteries / 1.5 Volt
Loudspeaker - For headphones or amp.
Power out
from Radiomuseum.org Model: Wavemeter T.F. 643 A - Marconi Instruments, Marconi-
Material Metal case
Dimensions (WHD) 280 x 250 x 180 mm / 11 x 9.8 x 7.1 inch
Notes Ondametro della Marconi Cerco schema The instrument was supplied with2 valves - one a spare. 4 frequency ranges, 20-37 / 37-70 /70-130 /130-300MHz. The circuit uses the grid of the HL23 as a diode or the diode of the HL23DD. Headset socket provided.
Net weight (2.2 lb = 1 kg) 5.9 kg / 12 lb 15.9 oz (12.996 lb)
Source of data -- Collector info (Sammler)

Model page created by Rino Ferro † 2008. See "Data change" for further contributors.



All listed radios etc. from Marconi Instruments, Marconi-Ekco (MI, MEI)
Here you find 79 models, 64 with images and 30 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.




  
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