Examples of different families of sensors used to form the sensor array in an electronic tongue.
| Sensor family||Research group||Example||Reference|
|Electrochemical, potentiometric||Legin (Russia)||Determination of heavy metals with an array of chalcogenide membrane sensors|||
|Electrochemical, ISFETs||Bratov (Spain)||Determination of several ions for water characterization|||
|Electrochemical, voltammetric||Winquist (Sweden)||Characterization of waters with an array of noble metals|||
|Electrical, resistive||Mattoso (Brazil)||Conducting polymer sensors|||
|Optical||Mc.Devitt (USA)||Microspheres with immobilized dyes|||
|Gravimetric||Gardner (UK)||Surface acoustic wave (SAW) sensors|||