Electrical Instrumentation Symbols, Meters and Recorders

The electronic instrumentation are devices for measuring and testing of physical quantities or performance of electrical equipment, circuits or components. They are also used to monitor and control the processes.

Symbology of Electrical Instrumentation, Meters and Recorders

Symbol Description Symbol Description
Measuring instrument, generic symbol Measuring instrument, meter
Generic symbol
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  Measuring instrument, generic symbol Measuring instrument, meter
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Voltmeter symbol Voltmeter
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  Ammeter symbol Ammeter
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Differential voltmeter symbol Differential voltmeter   Symbol of the ammeter with zero center Ammeter with zero center
Wattmeter symbol Wattmeter
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  Reactive current ammeter symbol Reactive current ammeter
Symbol of the wattmeter indicating terminal voltage and current Wattmeter indicating terminal voltage and current   Ohmmeter symbol Ohmmeter
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Symbol of the indicator maximum electricity demand Indicator maximum electricity demand   Frequencymeter symbol Frequencymeter
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Phase meter / wavemeter symbol Phase meter / Wavemeter
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  Vu meter symbol Vu meter
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Wavemeter symbol Wavemeter   Thermometer symbol Thermometer
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Phase meter symbol Phasemeter   Pyrometer symbol Pyrometer
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Tachometer symbol Tachometer
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  Varmeter symbol Varmeter
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Tachometer symbol Tachometer   Gas meter symbol Gas meter
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Galvanometer symbol Galvanometer
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  Galvanometer symbol Galvanometer
Oscilloscope / oscillograph symbol Oscilloscope / Oscillograph
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  Synchroscope symbol Synchroscope
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Oscilloscope / oscillograph symbol Oscilloscope / Oscillograph   Salinometer symbol Salinometer
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Oscilloscope with cathode ray tube symbol Oscilloscope with cathode ray tube
Shown with electrostatic deflection plates
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  Geiger counter / Radiation meter symbol Radiation meter / Geiger counter
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Pulse generator symbol Pulse generator
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  Phase comparator symbol Phase comparator
Waveform generator symbol Waveform generator
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  Symbol of the probe for measurement and test Probe for measurement and test
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Symbol of the measuring instrument with permanent magnet moving coil Measuring instrument with permanent magnet moving coil   Symbol of the probe for measurement and test Probe for measurement and test
Symbol of the measuring instrument moving coil with rectifier incorporated Measuring instrument moving coil with rectifier incorporated   Test point symbol Test point
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Ionization Chamber symbol Ionization Chamber
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  Resonator cavity symbol Cavity resonator
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Thermoluminescent dosimeter symbol Thermoluminescent dosimeter
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  Meter quotients symbol Meter quotients
Scintillation counter symbol Scintillation counter
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  Control panel, generic Symbol Control panel
Generic symbol
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Telemetry receiver symbol Telemetry receiver   Telemetry transmitter symbol Telemetry transmitter
Iron shielding device symbol Iron shielding device   Electrodynamic instrument symbol Electrodynamic instrument
Electrodynamic instrument with iron armor symbol Electrodynamic instrument with iron armor   Mobile coil symbol Mobile coil
Mobile coil with built-in rectifier symbol Mobile coil with built-in rectifier   Mobile magnet electromagnetic instrument symbol Mobile magnet electromagnetic instrument
Mobile magnet electromagnetic instrument symbol Mobile magnet electromagnetic instrument   Mobile iron electromagnetic device symbol Mobile iron electromagnetic device
Electronic device in measuring circuit symbol Electronic device in measuring circuit   Mobile iron electromagnetic device symbol Mobile iron electromagnetic device
Electronic device in auxiliary circuit symbol Electronic device in auxiliary circuit      

Symbols of Counters and Electrical Integrators

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Counter instrument symbol Counter instrument
The asterisk is replaced by the letter or symbol for the quantity count
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  Ampere hours meter symbol Ampere hours meter / Ampere meter
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Hourmeter symbol Hourmeter   Watt hour meter symbol Watt hour meter / Energy meter
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Volt-amperes reactive hours symbol Volt-amperes reactive hours
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  Symbol of the energy meter with maximum demand indicator Energy meter with maximum demand indicator
Energy meter with transmitter symbol Energy meter with transmitter   Counter of excess energy symbol Counter of excess energy
Energy meter with remote symbol Energy meter with remote   Symbol of the energy meter, has the energy flowing toward the bar Energy meter, has the energy flowing toward the bar
Symbol of the energy meter with remote and printing Energy meter with remote and printing   Symbol of the energy meter, has the energy flowing from the bar Energy meter, has the energy flowing from the bar
Energy meter in one direction symbol Energy meter in one direction   Symbol of the energy meter, has energy in both directions Energy meter, has energy in both directions
Energy meter with dual-rate symbol Energy meter with dual-rate   Symbol of the energy meter with recording of maximum demand Energy meter with recording of maximum demand
Energy meter with triple rate symbol Energy meter with triple rate      

Electrical Symbols of Registrars and Recorders

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Recording instrument symbol Recording instrument
The asterisk is replaced by the letter or symbol of the magnitude recorded
  Ammeter recorder symbol Ammeter recorder
Wattmeter recorder symbol Wattmeter recorder   Símbolo del registradro oscilógrafo Oscillograph recorder
Symbol of the meter and recorder combo counter reactive voltamperes Meter and recorder combo counter reactive voltamperes      

Symbols Electric Clocks and Timers

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Electric clock symbol Electric clock
Generic symbol
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  Electric clock symbol Electric clock / Timer
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Master clock symbol Master clock
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  Time clock symbol Time clock
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Time recorder symbol Time Recorder
Clock input control
  Time clock symbol Time clock
Timer symbol Timer   Time switch symbol Time switch
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Control timing symbol Control timing      
Picture gallery of electrical instrumentation, meters and recorders
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