Universal AvoMeter (AVO Meter) 7 Mk.i (1) Later

• Country
• Great Britain (UK)

• Manufacturer / Brand
• Avo (Brand), Automatic Coil Winder and Electrical Equipment Co., Avo Ltd; London

• Year
• 1936 ?

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 233071

• Picture
• Schematics

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

• Wave bands
• - without

• Power type and voltage
• Dry Batteries / 1 x 9 & 1 x 15 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Universal AvoMeter 7 Mk.i [Later] - Avo Brand, Automatic Coil

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

• Dimensions (WHD)
• 170 x 195 x 115 mm / 6.7 x 7.7 x 4.5 inch

• Notes

• This later version of the Model 7 Mk1 includes "MODEL 7 UNIVERSAL" in a sans serif font rather than the more usual "UNIVERSAL". The brass zero adjuster was also replaced with a Bakelite one.

  DC VOLTAGE	Value/Div.
  0 - 50 mV	0.5 mV (1 mA Range)
  0 - 100 mV	1 mV (2 mA Range)
  0 - 500 mV	5 mV
  0 -1 V	10 mV
  0 - 5 V	50 mV
  0 - 10 V	100 mV
  0 - 50 V	500 mV
  0 - 100 V	1 V
  0 - 200 V	2 V
  0 - 400 V	4 V
  0 - 500 V	5 V
  0 - 1,000 V	10 V
  AC VOLTAGE
  0 - 5 V	50 mV
  0 - 10 V	100 mV
  0 - 50 V	500 mV
  0 - 100 V	1 V
  0 - 200 V	2 V
  0 - 400 V	4 V
  0 - 500 V	5 V
  0 - 1,000 V	10 V
  DC CURRENT
  0 - 1 mA	10 µA
  0 - 2 mA	20 µA
  0 - 5 mA	50 µA
  0 - 10 mA	100 µA
  0 - 50 mA	500 µA
  0 - 100 mA	1 mA
  0 - 500 mA	5 mA
  0 - 1 A	10 mA
  0 - 5 A	50 mA
  0 - 10A	100 mA
  AC CURRENT
  0 - 5 mA	50 µA
  0 - 10 mA	100 µA
  0 - 50 mA	500 µA
  0 - 100 mA	1 mA
  0 - 500 mA	5 mA
  0 - 1 A	10 mA
  0 - 5 A	50 mA
  0 - 10 A	100 mA

  RESISTANCE

  RANGE	FIRST INDICATION	NOTES
  0 - 10,000 Ω	0.5 Ω	Using internal 1½ V Cell
  0 - 100,000 Ω	5 Ω	Using internal 1½ V Cell
  0 - 1 MΩ	50 Ω	Using internal 9 V Batt.
  0 - 10 MΩ	500 Ω	Ext. AC or DC Voltage
  0 - 40 MΩ	2,000 Ω	Ext. AC or DC Voltage

   

• Net weight (2.2 lb = 1 kg)
• 2.4 kg / 5 lb 4.6 oz (5.286 lb)

• Mentioned in
• Wireless World (The), London (WW, 79) (Feb, 1941, Page A1)

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

• Other Models

• Here you find 82 models, 79 with images and 41 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Avo (Brand), Automatic Coil Winder and Electrical Equipment Co., Avo Ltd; London