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Universal AvoMeter (AVO Meter) 4

Universal AvoMeter 4; AVO Ltd.; London (ID = 2145825) Equipment
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Universal AvoMeter 4; AVO Ltd.; London (ID = 2145825) Equipment
AVO Ltd.; London: Universal AvoMeter 4 [Equipment] ID = 2145825 782x873
Select picture or schematic to display from thumbnails on the right and click for download.
For model Universal AvoMeter (AVO Meter) 4, AVO Ltd.; London:
Photo kindly supplied by Richard Allan
Country:  Great Britain (UK)
Manufacturer / Brand:  AVO Ltd.; London
Year: 1933 ?? Category: Service- or Lab Equipment
Wave bands - without
Power type and voltage Dry Batteries
Power out
from Model: Universal AvoMeter 4 - AVO Ltd.; London
Material Various materials

Fourth version of the Avometer, 34 ranges with the "Divide by 2" button added.

This doubled the sensitivity of the meter when pushed.

Bakelite front panel with an aluminiunm case.


DC 0.12, 1.2, 12, 120, 1200 volts - sensitivity 6/3 mA
DC 12, 120 mA, 1.2, 12 A
AC 12, 120, 1200 volts 
  sensitivity: 6/3 mA on 120, 1200 volts, 120/60 mA on 12 volts
AC 120 mA, 1.2, 12 A
R     1k, 10 k ohm (12.5, 125 ohm center)
        100k, 1M ohm (1.25, 12.5k ohm center) with external power   

Price in first year of sale 12.60 UK £

Model page created by Gary Cowans. See "Data change" for further contributors.

All listed radios etc. from AVO Ltd.; London
Here you find 67 models, 65 with images and 35 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.