Wavemeter Class D No 1, Mk II (2) ZA17469

• Country
• Great Britain (UK)

• Manufacturer / Brand
• MILITARY U.K. (different makers for same model)

• Year
• 1935 ??

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 125514

• Picture
• Schematics

Previous Next

Previous Next

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Tubes
• 1

• Valves / Tubes
• ARTH2

• Main principle
• Superheterodyne (common)

• Wave bands
• Wave Bands given in the notes.

• Power type and voltage
• Storage and/or dry batteries / 6 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: Wavemeter Class D No 1, Mk II ZA17469 - MILITARY U.K. different makers

• Shape
• Portable set > 8 inch (also usable without mains)

• Dimensions (WHD)
• 195 x 185 x 160 mm / 7.7 x 7.3 x 6.3 inch

• Notes
• Quartz crystal-referenced heterodyne wavemeter. 100/1000 KHz xtals; harmonics beat with a VFO to generate the desired frequency. Two bands, 1900 to 4000 KHz and 4000 to 8000 KHz.
  Mallory 650 vibrator plus selenium rectifiers in the power supply.

• Net weight (2.2 lb = 1 kg)
• 4.1 kg / 9 lb 0.5 oz (9.031 lb)

• Source of data
• -- Collector info (Sammler)

• Author
• Model page created by Emilio Ciardiello. See "Data change" for further contributors.

• Other Models

• Here you find 152 models, 120 with images and 48 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from MILITARY U.K. (different makers for same model)