• Country
• France

• Manufacturer / Brand
• Metrix, Compagnie Générale de Métrologie; Annecy

• Year
• 1970 ??

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 304481

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

• Number of Transistors
• 12

• Semiconductors

• Main principle
• Superheterodyne (common); ZF/IF 37000 kHz

• Wave bands
• VHF incl. FM and/or UHF (see notes for details)

• Power type and voltage
• Batteries / addl. power jack / 4 x 4.5 / 18 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 4 cm = 1.6 inch

• Power out
• 0.25 W (max.)

• Material
• Metal case

• from Radiomuseum.org
• Model: Mesureur de Champ - Field Strength Meter VX 409 B - Metrix, Compagnie Générale de

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

• Dimensions (WHD)
• 290 x 155 x 160 mm / 11.4 x 6.1 x 6.3 inch

• Notes

• Input impedance 75 Ω ±20%

  Three frequency ranges:
  41 - 120 MHz
  120 - 230 MHz
  470 - 860 MHz

  Calibration accuracy ±2%
  Frequency stability ±0.2%

  Six signal strength ranges, with full scales:
  10 µV, 300 µV, 1 mV, 3 mV, 10 mV, 30 mV.

  Measurement accuracy:
  ±3 dB VHF ranges 1 and 2
  ±6 dB UHF range 3

  AM and FM detectors for sound channel output.
  Supplied in a leather carrying case.

• Net weight (2.2 lb = 1 kg)
• 6 kg / 13 lb 3.5 oz (13.216 lb)

• Author
• Model page created by Bruce Taylor. See "Data change" for further contributors.

• Other Models

• Here you find 162 models, 157 with images and 86 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Metrix, Compagnie Générale de Métrologie; Annecy