• Country
• Japan

• Manufacturer / Brand
• TMK, Tachikawa Radio; Miyatani

• Year
• 1968 ?

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 235336

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

• Wave bands
• - without

• Power type and voltage
• Dry Batteries / AA: 1 x 1.5 & 1 x 15 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Bakelite case

• from Radiomuseum.org
• Model: Analog Multimeter TMK-500 - TMK, Tachikawa Radio; Miyatani

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

• Dimensions (WHD)
• 85 x 160 x 70 mm / 3.3 x 6.3 x 2.8 inch

• Notes

• Sensitivity: 30 kΩ/V DC; 15 kΩ/V AC.
  
  33 µA full scale movement.
  
  DCV from .005 to 1.000 Volts (in 8 scales  0.25, 1, 2.5, 10, 25, 100, 250, 1000 Vdc).
  
  ACV from  .05 to 1000 Volts (in 8 scales  0.05, 2.5, 10, 25, 100, 250, 500, 1000 Vac).
  
  DCA from  1 µA to 12 A (in 5 ranges .05, 5, 50, 500, 12 A).
  
  Resistance measurement from 5 to 6 MΩ (in 5 ranges x1, x10, x1k, x10k).
  
  Audio output voltage measurement.
  
  Audio power level measurement from -20 to 56dB on 600 Ω line.
  
  Audible low resistance indication below about 2 Ω.

• Net weight (2.2 lb = 1 kg)
• 0.630 kg / 1 lb 6.2 oz (1.388 lb)

• Author
• Model page created by Dirson Willig. See "Data change" for further contributors.

• Other Models

• Here you find 12 models, 11 with images and 4 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from TMK, Tachikawa Radio; Miyatani