Transducer

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Transducer

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Transducer

LIST OF TRANSDUCERS

This list is confined to the narrower definition of the term.

Electrochemical:

--- PH Probe

--- Electro-galvanic Fuel Cell

Electromechanical:

---(electromechanical output devices are generically called Actuator s)

--- Electroactive Polymers

--- Galvanometer

--- MEMS

--- Motor , Linear Motor

--- Potentiometer when used for measuring position

--- Strain Gauge

--- Switch

Electroacoustic:

--- Gramophone Pick-up

--- Hydrophone - converts changes in water pressure into an electrical form

--- Loudspeaker , Earphone - converts changes in electrical signals into acoustic form

--- Microphone - converts changes in air pressure into an electrical signal

--- Piezoelectric Crystal - converts pressure changes into electrical form

Photoelectric :

--- Laser Diode , Light-emitting Diode - convert electrical power into forms of light

--- Photodiode , Phototransistor , Photomultiplier Tube - converts changing light levels into electrical form

Electromagnetic:

--- Cathode Ray Tube (CRT) - converts electrical signals into visual form

--- Fluorescent Lamp , Light Bulb - converts electrical power into visible light

--- Magnetic Cartridge - converts motion into electrical form

--- Photocell or Light-dependent Resistor (LDR) - converts changes in light levels into resistance changes

--- Tape Head - converts changing magnetic fields into electrical form

--- Hall Effect Sensor - converts a magnetic field level into electrical form

Electrostatic:

--- Electrometer

--- Liquid Crystal Display (LCD)

Thermoelectric:

--- Thermocouple

--- Peltier Cooler

--- Thermistor (includes PTC resistor and NTC resistor)

Other:

--- Geiger-Müller Tube used for measuring radioactivity.

SOURCES/REFERENCES

The Danish Wikipedia

EXTERNAL LINKS

whatis: transducer

Federal Standard 1037C, August 7, 1996: transducer

American National Standard for Telecommunications - Telecom Glossary 2000: transducer