• Country
• Japan

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

• Year
• 1973 ?

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 192592

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

• Number of Transistors

• Semiconductors
• LM4250 or. µA776

• Wave bands
• - without

• Power type and voltage
• Dry Batteries / 3 x 1,5 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Electronic Multimeter N-501D - Sanwa Electric Instrument Co.,

• Dimensions (WHD)
• 190 x 123 x 92 mm / 7.5 x 4.8 x 3.6 inch

• Notes
• • DCV: 60mV, 300mV, 1,2V, 3V, 12V (500kΩ/V)
  • DCV: 30V, 120V, 300V, 1200V (50kΩ/V)
  • ACV: 3V, 12V, 30V, 120V, 300V, 1200V  (1MΩ/V)
  • DCmA: 0,03mA 0,3mA 1,2mA 3mA 12mA 30mA 120mA 300mA
  • DCA: 1,2A 12A ACA: 1,2A 12A
  • Ohms: x1 x10 x100 x1K x10K x100K

  0 ohms adj 0 center adj fuse & diode protect whit Break indicator PDSS IC 2uA movement  Taut band suspension

  The value of R4 changes depending on the type of IC

• Net weight (2.2 lb = 1 kg)
• 2 kg / 4 lb 6.5 oz (4.405 lb)

• Literature/Schematics (1)
• -- Schematic

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

• Other Models

• Here you find 88 models, 79 with images and 46 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sanwa Electric Instrument Co., Ltd.; Tokyo