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Symbols of Electronic Sensors, Transducers, Detectors...

The transducers, sensors and electrical and electronic detectors are elements that are activated by the energy delivered by a system and that in turn deliver another type of energy to another different system. The transformed energy may be physical, chemical or biological origin.

Symbology of Electronic Sensors, Transducers, Detectors...

Symbol Description Symbol Description
Transducer symbol Transducer
Generic symbol
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  Piezoelectric transducer symbol Piezoelectric transducer
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Photoresistor / LDR resistor symbol LDR Resistor / Photoresistor
Light sensitive resistor
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  Microphone symbol Microphone
Sound detector
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Detector liquid symbol, humistor Humistor
Detector liquid
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  Thermoluminescence detector symbol Thermoluminescence detector
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Photodiode symbol Photodiode
Sensitive to visible light diode or infrared
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  Phototransistor symbol Phototransistor
Transistor sensitive to light
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Electrostatic sensor symbol Electrostatic sensor
Touch sensitive sensor
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  Electrostatic sensor symbol Electrostatic sensor
Touch sensitive sensor
Electrostatic sensor symbol Electrostatic sensor
Touch sensitive sensor
  Mercury switch symbol Mercury switch
Detects the inclination or motion
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Reed symbol Reed switch
Closes to the proximity of a magnet
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  Switch detector limit symbol Switch detector limit
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Effects Switches Symbols or Dependencies

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Level switch / Level sensor symbol Level switch / Level sensor
Actuated by the level of a fluid
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  Thermal switch symbol with relay Thermal switch
A thermal relay operated by the effect of temperature
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Level switch / Level sensor symbol Level switch / Level sensor
Actuated by the level of a fluid
  Thermal switch symbol Thermal switch
Triggered by the effect of temperature
Sail switch / Flow switch symbol Flow switch / Sail switch
Actuated by the flow of a fluid
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  Pressure sensor / Pressure switch symbol Pressure switch / Pressure sensor
Contact pressure actuated
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Flow switch symbol Flow switch
Actuated by the flow of a fluid
  Pressure switch symbol Pressure switch
switch pressure actuated
Gas switch symbol Switch operated by the flow of gas   Thermostat symbol Thermostat
Thermal switch, triggered by the effect of temperature
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Switch by frequency symbol Switch by frequency   Switch actuated by a pulse counter symbol Switch actuated by a pulse counter

Proximity Sensors Symbols

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Proximity switch symbol Proximity switch
Generic symbol
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  Sensitive proximity sensor symbol Sensitive proximity sensor
Generic symbol
Symbol of the switch by proximity to a magnet Switch by proximity to a magnet   Switch by proximity to iron symbol Switch by proximity to iron
Touch switch symbol Touch switch
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  Capacitive proximity sensor symbol Capacitive proximity sensor sensitive to solid
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Capacitive proximity sensor, NO Capacitive proximity sensor, normally open output, NO   Capacitive proximity sensor symbol, NC Capacitive proximity sensor, normally closed output, NC
Capacitive proximity sensor 3 wire symbol, NO Capacitive proximity sensor 3 wire,
normally open output, NO
  Capacitive proximity sensor 3 wire symbol, NC Capacitive proximity sensor 3 wire,
normally closed output, NC
Symbol of the capacitive proximity sensor 4 wire with 2 outputs Capacitive proximity sensor 4 wire with 2 outputs, one open and one closed   Sensor with fier optic symbol Sensor with fier optic

Symbols Optocouplers / Photoelectric Detectors / Optoisolators

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Optoisolators / Optocoupler symbols diode / Semiconductor symbol Optocoupler / Optoisolators
Diode - Semiconductor
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  Optocoupler symbol, diode / diac Optocoupler
Diode - Diac
Optocoupler two receivers symbol Optocoupler two receivers   Optocoupler symbol, diode / transistor Optocoupler
Diode - Transistor
Optocoupler encapsulated symbol Optocoupler encapsulated
Diode - Transistor
with hollow beam for cutting
  Optocoupler encapsulated symbol Optocoupler encapsulated
Diode - Transistor

Thermocouple Symbols / Temperature Detectors

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Thermocouple symbol Thermocouple
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  Thermocouple symbol Thermocouple
Thermocouple symbol Thermocouple   Thermocouple symbol Thermocouple
Thermocouple polarized symbol Thermocouple polarized
The thick side is the negative pole
  Thermocouple polarized Thermocouple polarized
Symbol of the thermocouple with uninsulated heating element Thermocouple
With uninsulated heating element
  Symbol of the thermocouple with uninsulated heating element Thermocouple
With uninsulated heating element
Symbol of the thermocouple with insulated heating element Thermocouple
With insulated heating element
  Symbol of the thermocouple with insulated heating element Thermocouple
With insulated heating element
Picture gallery of electronic sensors, transducers, detectors...
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