• Country
• United States of America (USA)

• Manufacturer / Brand
• Sencore; Sioux Falls (SD)

• Year
• 1970 ??

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 244212

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

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 117 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Leather / canvas / plastic - over other material

• from Radiomuseum.org
• Model: Dynamic In-Circuit Transistor Tester TR 139 - Sencore; Sioux Falls SD

• Shape
• Tablemodel without push buttons, Mantel/Midget/Compact up to 14

• Notes

• Tests NPN and PNP transistor for AC beta (current gain) and leakage.

• Author
• Model page created by Gottfried Silberhorn. See "Data change" for further contributors.

• Other Models

• Here you find 64 models, 62 with images and 39 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sencore; Sioux Falls (SD)