Electrical & Electronic Symbols

Electrical Test & Control Equipment Symbols

The Electrical test and control equipment 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 processes. They present information analogically, digitally or printed.

Symbols of Electrical Test & Control Equipment (Meters and Recorders)
Symbol Description Symbol Description
Measuring instrument, generic symbol Measuring instrument, meter
Generic symbol
+ Info		   Measuring instrument, generic symbol Measuring instrument, meter
+ Info
Voltmeter symbol Voltmeter
+ Info		   Ammeter symbol Ammeter
+ Info
Differential voltmeter symbol Differential voltmeter   Symbol of ammeter with center at zero Ammeter with center at zero
Wattmeter symbol Wattmeter
+ Info		   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
+ Info
Symbol of indicator of maximum electricity demand Indicator of maximum electricity demand   Frequencymeter symbol Frequencymeter
+ Info
Phase meter / wavemeter symbol Phase meter / Wavemeter
+ Info		   Vu meter symbol Vu meter
+ Info
Wavemeter symbol Wavemeter   Thermometer symbol Thermometer
+ Info
Phase meter symbol Phasemeter   Pyrometer symbol Pyrometer
+ Info
Tachometer symbol Tachometer
+ Info		   Varmeter symbol Varmeter
+ Info
Tachometer symbol Tachometer   Gas meter symbol Gas meter
+ Info
Galvanometer symbol Galvanometer
+ Info		   Galvanometer symbol Galvanometer
Oscilloscope / oscillograph symbol Oscilloscope / Oscillograph
+ Info		   Synchroscope symbol Synchroscope
+ Info
Oscilloscope / oscillograph symbol Oscilloscope / Oscillograph   Salinometer symbol Salinometer
+ Info
Oscilloscope with cathode ray tube symbol Oscilloscope with cathode ray tube
Shown with electrostatic deflection plates
+ Info		   Geiger counter / Radiation meter symbol Radiation meter / Geiger counter
+ Info
Pulse generator symbol Pulse generator
+ Info		   Phase comparator symbol Phase comparator
Waveform generator symbol Waveform generator
+ Info		   Symbol of the probe for measurement and test Probe for measurement and test
+ Info
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
+ Info
Ionization Chamber symbol Ionization Chamber
+ Info		   Resonator cavity symbol Cavity resonator
+ Info
Thermoluminescent dosimeter symbol Thermoluminescent dosimeter
+ Info		   Quotients meter symbol Quotients meter
Scintillation counter symbol Scintillation counter
+ Info		   Control panel, generic Symbol Control panel
Generic symbol
+ Info
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 electromagnetic magnet instrument symbol Mobile electromagnetic magnet instrument
Mobile electromagnetic magnet instrument symbol Mobile electromagnetic magnet instrument   Mobile electromagnetic iron device symbol Mobile electromagnetic iron device
Electronic device in measuring circuit symbol Electronic device in measuring circuit   Mobile electromagnetic iron device symbol Mobile electromagnetic iron 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
+ Info		   Ampere hours meter symbol Ampere hours meter / Ampere meter
+ Info
Hourmeter symbol Hourmeter   Watt hour meter symbol Watt hour meter / Energy meter
+ Info
Volt-amperes reactive/hours symbol Volt-amperes reactive / hours
+ Info		   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 control symbol Energy meter with remote control   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 control and printing Energy meter with remote control 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 Combined recorder with Wattmeter and Volt-amperes counter reactives Combined recorder with Wattmeter and Volt-amperes counter reactives      
Symbols of electric clocks & timers
Picture gallery of electrical test and control equipment
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