Tube-number record
RK 4 MM 1
0 archive entries
RK 4 MM 1 is a tube type in the TubeDatabase archive (class: Cathode Ray Tube). Recorded specifications: brand Zeiss Ikon, construction Display / CRT, socket Special / none, and maximum plate voltage 2000 V. The archive does not yet hold a photographed example of this type.
BrandZeiss Ikon
ClassCathode Ray Tube
BaseSpecial / none
Filament4 V @ 600 mA
Construction
Primary TypeDisplay / CRT
EnvelopeGlass
Sections1
Filament / Heater
Heater NotesOxide cathode, indirectly heated
Absolute Maximum Ratings
Plate Voltage2000 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Deflection/Concentration | 2000 V | — | — | — | 0.2 mA |
Application Notes
High vacuum cathode ray tube for measurement purposes. The outer coating must be connected to the anode via a 1 MOhm protective resistor.
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