• Country
• Spain

• Manufacturer / Brand
• Maymo, Escuela Radio; Barcelona etc.

• Year
• 1953

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 151602

• • alternative name: ERMSA

• Wave bands
• - without

• Power type and voltage
• Dry Batteries

• Loudspeaker
• - - No sound reproduction output.

• Material
• Bakelite case

• from Radiomuseum.org
• Model: Comprobador Universal 3-B - Maymo, Escuela Radio;

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

• Dimensions (WHD)
• 245 x 185 x 85 mm / 9.6 x 7.3 x 3.3 inch

• Notes
• Instrumento de 5.000 Ohms/Volt. Alcances máximos: 1200 V. cc y ca, 300 mA, 3 Mohms, 1 Microfaradio.

• Net weight (2.2 lb = 1 kg)
• 2 kg / 4 lb 6.5 oz (4.405 lb)

• Literature/Schematics (1)
• Revista Noticiario Maymo nr.7 1953

• Author
• Model page created by Miguel Bravo-Cos. See "Data change" for further contributors.

• Other Models

• Here you find 37 models, 34 with images and 16 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Maymo, Escuela Radio; Barcelona etc.