List of circuit symbols (measurement, control and regulation technology)
Measurement, control and regulation technology
Measuring device
Indicating measuring devices | |
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Tension meter |
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Power factor |
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Synchroscope |
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oscilloscope |
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Ammeter |
Recording gauges | |
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Real power recorder |
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Curve recorder |
Integrating measuring devices | |
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Watt hour meter |
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Dual tariff meter |
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Maximum counter |
Electric clocks | |
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Clock in general |
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Master clock |
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Clock with switch |
Measuring transducer | |||||||||||||||||||||
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Thermocouple with indication of polarity |
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Thermocouple with indication of polarity; Marking of the negative pole with a broad line |
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Thermocouple with non-isolated heating element |
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Resolvers in general
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Rotary encoder |
Telemetry equipment | |
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Remote measurement transmitter , telemetry transmitter |
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Remote measuring receiver , telemetry receiver |
Measuring relay | |
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Zero voltage relay |
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Overcurrent relay delayed |
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Overcurrent relay two measuring elements; 3 to 5 amps |
Measuring and counting devices | |
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Buchholz relay |
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Fire alarm |
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Electrically operated pulse counter |
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Pulse counter quadruple contactor; one contact closes with every second, the other with every thousandth impulse |
Indicator lights, signaling devices | |
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Indicator lamp, general |
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Flashing indicator light |
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Visual indicator electromechanical, Indicators , trapdoor |
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Position indicator with one rest position (fault position) and two working positions |
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Acknowledgment indicator |
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Horn , horn |
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Alarm clock , bell |
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gong |
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Buzzer |
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Light barrier with light transmitter (constant light); Light receiver with analog output |
Counting devices
counter
character | description |
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Asynchronous dual counter | |
Synchronous dual counter | |
Synchronous BCD counter | |
Mod-n counter | |
Shift register (chain circuit) | |
Circulating storage | |
Stack memory (LIFO) | |
Silo storage ( FIFO ) |