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Meter (electronics)

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Meter (electronics)

In electronics

Electronics

Electronics refers to the flow of charge through nonmetal electrical conductor , whereas electrical refers to the flow of charge through metal electrical conductor....
, a meter

Measuring instrument

In the physical sciences, quality assurance, and engineering, measurement is the activity of obtaining and comparing physical quantity of real-world object and phenomenon....
is an instrument for displaying the magnitude of one of a wide variety of quantities in electrical circuits. The term can refer to either an electronic component

Electronic component

An electronic component is a basic Electronics element usually packaged in a discrete form with two or more connecting leads or metallic pads....
that is part of a larger device, or a free-standing test instrument

Electronic test equipment

Electronic test equipment is used to create signals and capture responses from electronic Devices Under Test . In this way, the proper operation of the DUT can be proven or faults in the device can be traced and repaired....
.

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Electronics

Electronics refers to the flow of charge through nonmetal electrical conductor , whereas electrical refers to the flow of charge through metal electrical conductor....
, a meter

Measuring instrument

In the physical sciences, quality assurance, and engineering, measurement is the activity of obtaining and comparing physical quantity of real-world object and phenomenon....
is an instrument for displaying the magnitude of one of a wide variety of quantities in electrical circuits. The term can refer to either an electronic component

Electronic component

An electronic component is a basic Electronics element usually packaged in a discrete form with two or more connecting leads or metallic pads....
that is part of a larger device, or a free-standing test instrument

Electronic test equipment

Electronic test equipment is used to create signals and capture responses from electronic Devices Under Test . In this way, the proper operation of the DUT can be proven or faults in the device can be traced and repaired....
.

A multimeter
Multimeter

A multimeter or a multitester, also known as a volt/ohm meter or VOM, is an Electronics measuring instrument that combines several functions in one unit....
is a general-purpose test instrument.
A voltmeter
Voltmeter

A voltmeter is an instrument used for measuring the electrical potential difference between two points in an electric circuit. Analog voltmeters move a pointer across a scale in proportion to the voltage of the circuit; digital voltmeters give a numerical display of voltage by use of an analog to digital converter....
is a specialized meter measuring voltage
Voltage

Electrical tension is the potential difference between two points of an electrical or electronic circuit, expressed in volts. It is the measurement of the potential for an electric field to cause an electric current in an electrical conductor....
.
An ammeter
Ammeter

An ammeter is a measuring instrument used to measure the electric current in a Electrical circuit. Electric currents are measured in amperes , hence the name....
is a specialized meter measuring electric current.
An ohmmeter
Ohmmeter

An ohmmeter is an electricity measuring instrument that measures electrical resistance, the opposition to an electric current. Micro-ohmmeters make low resistance measurements....
is a specialized meter measuring electrical resistance
Electrical resistance

The electrical resistance of an object is a measure of its opposition to the passage of a steady electrical current. An object of uniform cross section will have a resistance proportional to its length and inversely proportional to its cross-sectional area, and proportional to the resistivity of the material....
.
A wattmeter
Wattmeter

The wattmeter is an instrument for measuring the electric power in watts of any given electrical network....
is a specialized meter measuring electric power
Electric power

Electric power is defined as the rate at which electrical energy is transferred by an electric circuit. The SI unit of power is the watt .When electric current flows in a circuit, it can transfer energy to do mechanical work or work ....
.
A capacitance meter
Capacitance meter

A capacitance meter is a piece of electronic test equipment used to measure capacitors. Depending on the sophistication of the meter, it may simply display the capacitance or it may also measure a number of other parameters such as Leakage#Electronics, equivalent series resistance, and inductance....
is a test instrument measuring capacitance
Capacitance

In electromagnetism and electronics, capacitance is the ability of a body to hold an electrical charge.Capacitance is also a measure of the amount of electric charge stored for a given electric potential....
.
An LCR meter
LCR meter

A LCR meter is a piece of electronic test equipment used to measure, among other things, the electrical impedance of a electrical component.Usually the device under test is subjected to an alternating current voltage source, then the voltage over, and the electrical current through the DUT are measured....
is a test instrument that measures inductance
Inductance

Inductance is the property in an electrical circuit where a change in the current flowing through that circuit induces an Electromotive force that opposes the change in current ....
, capacitance
Capacitance

In electromagnetism and electronics, capacitance is the ability of a body to hold an electrical charge.Capacitance is also a measure of the amount of electric charge stored for a given electric potential....
, and resistance
Electrical resistance

The electrical resistance of an object is a measure of its opposition to the passage of a steady electrical current. An object of uniform cross section will have a resistance proportional to its length and inversely proportional to its cross-sectional area, and proportional to the resistivity of the material....
.
An electrometer
Electrometer

An electrometer is an electricity instrument for measuring electric charge or electrical potential difference. There are many different types, ranging from historical hand-made mechanical instruments to high-precision electronic devices....
is a test instrument measuring electric charge
Electric charge

Electric charge is a fundamental conserved property of some subatomic particles, which determines their electromagnetic interaction. Electrically charged matter is influenced by, and produces, electromagnetic fields....
.
A clamp meter is an AC current-measuring test instrument that clamps around a wire.
A VU meter
VU meter

A VU meter is often included in analog circuit sound equipment to display a signal level in Volume Units.It is intentionally a "slow" measurement, averaging out peaks and troughs of short duration to reflect the perceived loudness of the material....
is a specialized meter measuring volume of audio signals.
An EMF meter
EMF Meter

EMF meter, Electromagnetic field meter, is a scientific instrument for measuring electromagnetic radiation.There are many different types of EMF meter, but the two largest categories are single axis and tri-axis....
is a test instrument for measuring electromagnetic fields.
An SWR meter
SWR meter

The SWR meter or standing wave ratio meter measures the standing wave ratio in a transmission line. This is an item of radio equipment used to check the quality of the match between the antenna and the transmission line....
is a test instrument for measuring the standing wave ratio
Standing wave ratio

In telecommunications, standing wave ratio is the ratio of the amplitude of a partial standing wave at an antinode to the amplitude at an adjacent node , in an electrical transmission line....
of a radio transmitter and its antenna
Antenna (radio)

An 'antenna' is a transducer designed to transmitter or receive Electromagnetic radiations. In other words, antennas convert electromagnetic waves into electrical currents and vice versa....
.
An S meter
S meter

An S meter is an indicator often provided on communications receivers, such as amateur radio receivers or shortwave broadcast receivers. The scale markings are derived from a subjective system of reporting signal strength from S1 to S9 as part of the RST code....
is a component of a radio receiver that displays the received signal's strength.
An electric meter
Electricity meter

An electric meter or energy meter is a device that measures the amount of electricity energy supplied to or produced by a House, business or machine....
and smart meter
Smart meter

A smart meter generally refers to a type of advanced meter that identifies consumption in more detail than a conventional meter; and optionally, but generally, communicates that information via some computer networking back to the local Public utility for monitoring and billing purposes ....
are instruments that measure the electric power
Electric power

Electric power is defined as the rate at which electrical energy is transferred by an electric circuit. The SI unit of power is the watt .When electric current flows in a circuit, it can transfer energy to do mechanical work or work ....
delivered to a customer by a utility
Electric Utility

An electric utility is a company that engages in the Electricity generation, Electricity distribution, and Electricity retailing for sale generally in a regulated market....
for billing purposes.
A grid dip meter, or dip meter, is a test instrument for measuring the resonance frequency
Resonance

In physics, resonance is the tendency of a system to oscillate at maximum amplitude at certain Frequency, known as the system's resonance frequencies ....
of radio circuits.
A microwave power meter
Microwave power meter

A microwave power meter is an instrument which measures the electric power occurring at microwave frequency.Usually, a microwave power meter will consist of a measuring head which contains the actual power sensing element connected via a cable to the meter, which reports the power reading....
is a test instrument for measuring the power of microwave
Microwave

Microwaves are electromagnetic radiation with wavelengths ranging from 1 mm to 1 m, or frequency between 0.3 hertz and 300 GHz....
signals.
A time domain reflectometer is a test instrument for finding faults in cables.
A galvanometer
Galvanometer

A galvanometer is a type of ammeter: an instrument for detecting and measuring electric current. It is an Analogue electronics electromechanical transducer that produces a rotary deflection, through a limited arc, in response to electric current flowing through its coil....
is a mechanical moving-pointer type meter, especially an old one or its motive mechanism used as a component in other devices.