• Country
• Great Britain (UK)

• Manufacturer / Brand
• Cossor, A.C.; London

• Year
• 1962

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 332893

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

• Wave bands
• Wave Bands given in the notes.

• Loudspeaker
• - only for Earphone!

• from Radiomuseum.org
• Model: Wavemeter 1461 - Cossor, A.C.; London

• Notes

• The 1461 wavemeter is a calibrated oscillator with a calibration accuracy of ±2% with a meter connected to read grid current. In addition to its use as an oscillator, model 1461 can be used to check the resonant frequencies of passive networks by observing the effect on grid current when the network under test is coupled to the wavemeter. By switching the oscillator valve to operate as a diode the instrument can also be used as an absorption meter.

  A further facility permits the measurement of small capacitors within the range 0 to 40pF. The instrument covers a frequency range of 1.3MHz to 300MHz using seven plug-in coils. When the wavemeter is used as a grid dip meter, a sharp dip occurs in the meter reading as resonance with the tuned circuit under test is reached. When the instrument is used as a detector, energy is absorbed from the circuit under test and the meter gives a sharp peak reading.

  A telephone jack outlet also enables a beat note to be heard when checking energized circuits.

• Mentioned in
• Electronic Engineering volume 34, August 1962.

• Author
• Model page created by Pier Antonio Aluffi. See "Data change" for further contributors.

• Other Models

• Here you find 326 models, 250 with images and 194 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Cossor, A.C.; London