• Country
• Japan

• Manufacturer / Brand
• Sanwa Electric Instrument Co., Ltd.; Tokyo

• Year
• 1958/1958

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 197350

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

• Wave bands
• - without

• Power type and voltage
• Batteries / addl. power jack / 2x 1,5/ 22,5 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Bakelite case

• from Radiomuseum.org
• Model: Multimeter K-20 - Sanwa Electric Instrument Co.,

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

• Dimensions (WHD)
• 99 x 58 x 147 mm / 3.9 x 2.3 x 5.8 inch

• Notes
• Das Gehäuse besteht aus Bakelit und Stahlblech. Anschluss der Messeleitung erfolgt an 2mm Buchsen.
  Messereiche
  Gleichspannung: 5V, 50V, 250V, 500V, 1000V (4000 Ohm/V)
  Gleichstrom: 250uA, 2,5mA, 25mA
  Wechselspannung: 10V, 50V, 250V, 500V, 1000V (2000 Ohm/V)
  Widerstand: 0-20KOhm 0-200KOhm 0-2MOhm
  Dezibel: -20 bis +22db (im AC -10V- Bereich)
  +22 bis +36db (im AC -50V- Bereich)
  Kapazität: 0,0001uF (100PF)- 0,03uF; 0,01uF – 0,6 uF
  Induktivität: 10 H – 1000 H
  Isolationswiederstand: 0,02 MOhm- 100 MOhm (bei 250- 385 VDC)

• Net weight (2.2 lb = 1 kg)
• 0.588 kg / 1 lb 4.7 oz (1.295 lb)

• Mentioned in
• -- Original-techn. papers.

• Author
• Model page created by a member from D. See "Data change" for further contributors.

• Other Models

• Here you find 57 models, 55 with images and 24 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sanwa Electric Instrument Co., Ltd.; Tokyo