Avometer

Avo
AVOmeter is a British trademark for a line of multimeters and electrical measuring instruments; the brand is now owned by the Megger Group Limited.wikipedia
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digital multimeterdigital multimetersmultitester
AVOmeter is a British trademark for a line of multimeters and electrical measuring instruments; the brand is now owned by the Megger Group Limited.
Macadie invented an instrument which could measure amperes (amps), volts and ohms, so the multifunctional meter was then named Avometer.

Megger Group Limited

AVOEvershed & Vignoles LtdEvershed & Vignoles Ltd.
AVOmeter is a British trademark for a line of multimeters and electrical measuring instruments; the brand is now owned by the Megger Group Limited.

Full scale

FSDfull scale deflectionfull system scale
The instrument has an accuracy of ±1% of FSD on DC current ranges, ±2% of FSD on DC voltage ranges, ±2.25% of FSD on all AC ranges and ±5% of reading (at centre scale only) on resistance ranges.

Metal Industries, Limited

Metal IndustriesFawcett, Preston & CoKarnafully Metal Works Ltd
1959: Avo Ltd. and subsidiary Taylor Electrical Instruments Limited

Bowes Park

*Donald MacCadie, inventor of the AVOmeter, lived at 190 Bowes Road at the corner of Moffat Road.