• Country
• Germany

• Manufacturer / Brand
• Messtechnik Mellenbach ; MTM ; Mellenbach/Thür. VEB; (Ostd.)

• Year
• 1975–1989 ?

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 164220

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

• Number of Transistors
• 9

• Semiconductors
• SF126 SC236 SC307 A109D

• Wave bands
• - without

• Power type and voltage
• Dry Batteries / R6: 5 x 1,5 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Isolationsmessgerät ISO 1000 - Messtechnik Mellenbach ; MTM

• Shape
• Tablemodel with Push Buttons.

• Dimensions (WHD)
• 210 x 105 x 55 mm / 8.3 x 4.1 x 2.2 inch

• Notes

• Isolationswiderstandsmessungen von 40 kΩ bis 2 GΩ möglich (6 Messbereiche);
  Gleich- und Wechselspannungsmessungen bis 600 V;
  Genauigkeitsklasse jeweils 2,5%

  Halbleiter teilweise mehrfach vorhanden.

• Net weight (2.2 lb = 1 kg)
• 1 kg / 2 lb 3.2 oz (2.203 lb)

• Author
• Model page created by Martin Brand. See "Data change" for further contributors.

• Other Models

• Here you find 32 models, 29 with images and 17 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Messtechnik Mellenbach ; MTM ; Mellenbach/Thür. VEB; (Ostd.)