Multimeters

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Ammeter
Ammeter is a device for measuring current in amperes.

Analog bar graph
A graphic representation of the quantity under test.

Quoted accuracy is specified as the minimum DC voltage or lower ‘mV’ DC range accuracy.

Clamp meter
A sort of measuring instrument equipped with a measuring sensor to measure current.

The resolution of a multimeter is the smallest part of the scale which can be shown. It’s often specified in the number of decimal digits resolved and displayed.

First figure of range in advertisement and catalogues usually means less significant digit on minimal range.

Multimeter
A multimeter is a combined instrument for measuring several parameters in electrical circuits and changing electrical and electronic components.

Multimeter: Continuity Mode
The continuity test mode in the multimeter is designed to determine low resistance in the electrical circuit being tested and has a sound (ringing, beeping) at a resistance of less than 10 Ohms.

Multimeter: Diode (semiconductor) testing mode
The diode testing mode in a multimeter is designed to determine the voltage drop across a semiconductor junction. This mode is indicated by a diode icon on the multimeter panel.

Ohmmeter
A device for measuring electrical resistance to direct current in ohms.


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07/29/1888
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Zworykin, Vladimir K.

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