SCR-211-O Frequency Meter Set (BC-221-O)

Rauland Corp.; Chicago, IL

  • Año
  • 1941 ??
  • Categoría
  • Aparato de medida y servicio (Equipo de laboratorio).
  • Radiomuseum.org ID
  • 142687

Haga clic en la miniatura esquemática para solicitarlo como documento gratuito.

 Especificaciones técnicas

  • Numero de valvulas
  • 3
  • Gama de ondas
  • Bandas de recepción puestas en notas.
  • Tensión de funcionamiento
  • Pilas / 135/6 Volt
  • Altavoz
  • - solamente tiene Auricular (mini) de oido
  • Material
  • Metálico
  • de Radiomuseum.org
  • Modelo: SCR-211-O Frequency Meter Set - Rauland Corp.; Chicago, IL
  • Forma
  • Portátil > 20 cm (sin la necesidad de una red)
  • Ancho, altura, profundidad
  • 10 x 13.7 x 9.25 inch / 254 x 348 x 235 mm
  • Anotaciones
  • Precision heterodyne frequency meter designed to measure or radiate radio-frequency impulses between 125 kHz and 20 MHz. Portable, self-contained, used mainly to calibrate field radio receivers and transmitters by direct comparison with the crystal-calibrated variable frequency oscillator of the instrument. Frequency readings provided by a calibration book. Contained 1 MHz crystal oscillator and variable frequency oscillator operating in two switched ranges: 125 to 250 kHz and 2 to 4 MHz. The 2nd, 4th and 8th harmonics of the low-frequency range were used to cover 250 kHz to 2 MHz, while the 2nd, 4th and 5th harmonics of the high-frequency range were used to cover 4 MHz to 20 MHz. Supplied with aluminum-alloy cabinet. Required six BA-2 batteries (22.5V each), four BA-23 batteries (1.5V each) and P-18 or P-20 headset. HS-30 headset may also be used. Similar to models BC-221-M, -R and -AC.
  • Peso neto
  • 38 lb (38 lb 0 oz) / 17.252 kg
  • Procedencia de los datos
  • -- Original-techn. papers.
  • Documentación / Esquemas (1)
  • TM 11-300 (20 July 1944)
  • Autor
  • Modelo creado por Emilio Ciardiello. Ver en "Modificar Ficha" los participantes posteriores.

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