• Country
• Taiwan (Republic of China)

• Manufacturer / Brand
• TES Electrical Electronic Corp.; Taipei

• Year
• 1970 ??

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 295449

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

• Number of Transistors
• 2

• Semiconductors
• 2SC945 2SC945 1N60 1N4148

• Wave bands
• - without

• Power type and voltage
• Dry Batteries / 9 + 2 x 1,5 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: TES 310 - TES Electrical Electronic Corp

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

• Notes

• Voltage (AC/DC)
  Range: DC 0/0.25/2.5/10/25/50/250/1000V
  Input Impedance: 20k Ohms/V DC
  Range: AC 0/10/50/250/1000V
  Input Impedance: 9K Ohms/VAC

  Accuracy
  Voltage - DC ±3% f.s. AC  ±4% f.s.
  AC/DC Current  ±3% f.s.
  Ohms: 3% of Scale Length
  AF output (db) -10 to 22db
  Overload Protection: 0.5A/250V Fuse & Diode
  Temperature:-30° C to 200° C (TP-RO4)

  Current:
  Range: DC 0/050µ/25m/250m/10A
  Voltage Drop: 250mV

  OHM:
  Range: x1, x10, x100, x1K, x10K

  Power: 1ea 9V + 2ea AA 1.5V  Batteries

   

• Literature/Schematics (1)
• -- Schematic

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

• Other Models

• Here you find 5 models, 5 with images and 4 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from TES Electrical Electronic Corp.; Taipei