• Country
• Germany

• Manufacturer / Brand
• Techtron (Marke), Gunnar Holm-Petersen Außenhandel, GHP; Hamburg

• Year
• 1988 ??

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 333362

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Wave bands
• - without

• Power type and voltage
• Dry Batteries / 6F22: 1 × 9 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Digital Multimeter DT-20 - Techtron Marke, Gunnar Holm-

• Shape
• Very small Portable or Pocket-Set (Handheld) < 8 inch.

• Dimensions (WHD)
• 88 x 195 x 40 mm / 3.5 x 7.7 x 1.6 inch

• Author
• Model page created by Sándor Selyem-Tóth. See "Data change" for further contributors.

• Other Models

• Here you find 1 models, 1 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Techtron (Marke), Gunnar Holm-Petersen Außenhandel, GHP; Hamburg