• Country
• Czechoslovakia

• Manufacturer / Brand
• Metra Blansko; Blansko

• Year
• 1989

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 171877

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

• Wave bands
• - without

• Power type and voltage
• Powered by external power supply or a main unit. / 6 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Bakelite case

• from Radiomuseum.org
• Model: Analog Wattmeter EL21 - Metra Blansko; Blansko

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 200 x 250 x 100 mm / 7.9 x 9.8 x 3.9 inch

• Notes
• Precise analogue wattmeter with two light traces and scale divided into two parts. After the light ray reaches right end of the upper part of the scale, a new ray appears at the left end of the bottom part, continuing measurement in the second part of the scale. Possible measurement range is therefore doubled, with accuracy 0.1%.

• Author
• Model page created by Róbert Truben. See "Data change" for further contributors.

• Other Models

• Here you find 120 models, 90 with images and 24 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Metra Blansko; Blansko