AvoMeter (AVO Meter) 14

AVOmeter Model 14 was primarily introduced for use overseas. It incorporates, not only most of the design features which have made Avometers famous, including the Avo automatic cut-out and Reverse Moving Coil Button but also many features designed to take advantage of advances in instrumentation resulting in compact and versatile instruments which combine accuracy with the simplicity of operation.

Metal film resistors ensure stability and the centre magnet 37.5 microamp movement minimises the error due to external magnetic fields. A single switch selects all a.c./d.c. voltage and current ranges and all resistance ranges, whilst two push-buttons select the function required, one push-button covering all a.c. ranges the other all d.c. and ohms ranges.

The Model 14 has 22 ranges:

• DC voltage:   0.1 - 1000 volts
• AC voltage:   3 - 1000 volts
• DC current:   0.1mA - 3 Amps
• Resistance:  2 Ω - 1MΩ with internal 1.5v cell and 20 kΩ - 100 MΩ with 60 VDC to 90 VDC external source.

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