September 6, 2016


List of sensors


Acoustic, sound, vibration:

  • Geophone
  • Hydrophone
  • Lace Sensor a guitar pickup
  • Microphone
  • Seismometer

Automotive, transportation:

  • Air & fuel ratio meter
  • Blind spot monitor
  • Crankshaft position sensor
  • Curb feeler, used to warn driver of curbs
  • Defect detector, used on railroads to detect axle and signal problems in passing trains
  • Engine coolant temperature sensor, or ECT sensor, used to measure the engine temperature
  • Hall effect sensor, used to time the speed of wheels and shafts
  • MAP sensor, Manifold Absolute Pressure, used in regulating fuel metering.
  • Mass flow sensor, or mass airflow (MAF) sensor, used to tell the ECU the mass of air entering the engine
  • Oxygen sensor, used to monitor the amount of oxygen in the exhaust
  • Parking sensors, used to alert the driver of unseen obstacles during parking manoeuvres
  • Radar gun, used to detect the speed of other objects
  • Speedometer, used measure the instantaneous speed of a land vehicle
  • Speed sensor, used to detect the speed of an object


  • Breathalyzer
  • Carbon dioxide sensor
  • Carbon monoxide detector
  • Catalytic bead sensor
  • Chemical field-effect transistor
  • Electrochemical gas sensor
  • Electronic nose
  • Electrolyte, insulator & semiconductor sensor

Electric current, electric potential, magnetic, radio:

  • Current sensor
  • Electroscope
  • Galvanometer
  • Hall effect sensor
  • Hall probe
  • Magnetic anomaly detector
  • Magnetometer
  • MEMS magnetic field sensor

Environment, weather, moisture, humidity:

  • Actinometer
  • Bedwetting alarm
  • Ceilometer
  • Dew warning
  • Electrochemical gas sensor
  • Fish counter
  • Frequency domain sensor
  • Gas detector
  • Hook gauge evaporimeter

Flow, fluid velocity:

  • Air flow meter
  • Anemometer
  • Flow sensor
  • Gas meter
  • Mass flow sensor
  • Water meter

Ionizing radiation, subatomic particles:

  • Bubble chamber
  • Cloud chamber
  • Geiger counter
  • Neutron detection
  • Particle detector
  • Scintillation counter
  • Scintillator
  • Wire chamber

Navigation instruments:

  • Air speed indicator
  • Altimeter
  • Attitude indicator
  • Depth gauge
  • Fluxgate compass
  • Gyroscope
  • Inertial navigation system