Sensors & Signal Conditioning Design

temperature

thermocouple
RTD
thermistor
semiconductor
pyrometer

humidity and dew point

hygrometer
psychrometer

air speed, wind speed

rotating anemometer
heated wire anemometer

wind direction

wind vane

rain fall

rain gauge

water

wetness sensor

light level

pyronometer
radiation pyrometer
photoconductor
photodiode

visibility, opacity

ultraviolet sensor
infrared sensor
optical sensor
laser sensor

light wavelength, color

spectrometer

nuclear radiation

alpha detector
beta detector
x-ray detector
gamma detector

vibration, acceleration

piezoelectric
accelerometer

gravity

MEMS accelerometer
gravimeter
gravitometer

stress, strain

strain gauge

weight, force, tension

load cell
torque sensor
force sensor

fluid pressure

pressure sensor
barometer

distance, proximity,

laser micrometer

position

photoelectric sensor
fiber optic sensor
ultrasonic sensor
magnetorestrictive sensor
eddy current sensor
capacitive distance sensor
string potentiometer
LVDT

location

Linear encoder
Hall effect sensor
gyroscope
GPS

tilt

inclinometer
MEMS accelerometer
gyroscope

rotation

rotary encoder
potentiometer
RVDT

speed

tachometer
inductance-coil pulse
generator

flow

ultrasonic sensor
laser sensor
turbine flow meter
mass flow meter
orifice plate with pressure sensor

liquid level

float
ultrasonic
pressure sensor

pH

pH sensor

chemical concentration (in water)

electrochemical cell
chromatograph

oxygen (in water)

dissolved oxygen sensor

gas concentration (in air)

chemical detector
electrochemical cell

chemical composition

gas chromatograph
mass spectrometer
chromatograph
colorimeter

power

wattmeter

frequency

frequency meter
tachometer

magnetic fields

magnetometer
magneto-inductive sensor
magnetorestrictive sensor
Hall effect sensor

vision, image

camera

sound

microphone

touch

pressure sensor – piezoelectric
pressure sensor – resistive