Instrument | Quantity Measured |
Accelerometer | physical acceleration |
Actinometer | heating power of sunlight |
Alcholmeter | alcoholic strength of liquids |
Altimeter | altitudes |
Ammeter | electric current |
Anemometer | windspeed |
Audimeter | hearing |
Barkometer | tanning liquors used in tanning leather |
Barometer | air pressure |
Bevameter | mechanical properties of soil |
Bolometer | electromagnetic radiation |
Brannok Device | measuring shoe size |
Breathalyzer | breath alcohol content |
Caliper | distance |
Calorimeter | heat of chemical reactions |
Cathetometer | vertical distances |
Ceilometer | height of a cloud base |
Chronometer or Clock | time |
Clap-o-meter | volume of applause |
Compass | direction of North |
Colorimeter | color |
Creepmeter | slow surface displacement of an active geologic fault in the earth |
Declinometer | magnetic declination |
Densimeter | specific gravity of liquids |
Densitometer | degree of darkness in photographic or semitransparent material |
Diffractometer | structure of crystals |
Dialtometer | volume changes caused by a physical or chemical process |
Disdrometer | size, speed, and velocity of raindrops |
Dosimeter | exposure to hazards, especially radiation; radiation of item |
Dynamometer | force, torque or power |
Electricity Meter | electrical energy used |
Electrometer | electric charge |
Electronic Tuner | pitch of musical notes |
Ellipsometer | refractive index, dielectric function, thickness of thin films |
Eudiometer | change in volume of a gas mixture following combustion |
Evaporimeter | rate of evaporation |
Fathometer | ocean depth |
Framing Square | right angles in construction |
Frequency Counter | Frequency Of Alternating Current |
Fuel Gauge | fuel levels |
Galvanometer | electricity |
Gas Pycnometer | volume and density of solids |
Geiger Counter | ionizing radiation (alpha, beta, gamma, etc.) |
Glucometer | blood glucose (diabetes) |
Graphometer | angles |
Heliometer | variation of the sun’s diameter |
Hydrometer | specific gravity of liquids (density of liquids) |
Hygrometer | humidity |
Inclinometer | angle of a slope |
Inkometer | ink |
Interferometer | wave interference |
Infrared Thermometer | Measures heat radiated |
Katharometer | composition of gases |
Lactometer | specific gravity of milk |
Light meter | light (in photography) |
Load Cell | measurement of force |
Lux meter | intensity of light |
Magnetometer | strength of magnetic fields |
Manometer | pressure of gas |
Mass flow meter | mass flow rate of a fluid travelling through a tube |
Mass Spectrometer | masses of ions, used to identify chemical substances through their mass spectra |
Measuring Spoon | a spoon used to measure an amount of an ingredient, either liquid or dry |
Megger | electrical insulation |
Mercury Barometer | Atmospheric pressure |
Micrometer | small distances |
Multimeter | electrical potential, resistance, and current |
Nephoscope | to measure the speed and direction of clouds |
Nephelometer | particle in a liquid |
Odometer | distance travelled |
Ohmmeter | electrical resistance |
Orchidometer | testicle size in male humans |
Oscilloscope | oscillations |
Osmometer | osmotic strength of a solution, colloid, or compound matter of an object |
Parking Meter | collects moneys for vehicle parking rights in a zone for a limited time |
Pedometer | steps |
PH meter | pH (chemical acidity/basicity of a solution) |
Photometer | illuminance or irradiance |
Planometer | area |
Polarimeter | rotation of polarized light |
Potentiometer | voltage (term is also used to refer to a variable resistor) |
Profilometer | surface roughness |
Protractor | angles |
Psychrometer | humidity |
Pycnometer | fluid density |
Pyranometer | solar radiation |
Pyrheliometer | direct solar insolation |
Pyrometer | high temperatures |
Quadrat | percentage cover of a certain species |
Rain Gauge | measuring of rain |
Radiometer | radiant flux of electromagnetic radiation |
Rheometer | response to applied forces |
Rotameter | pressure of a liquid or gas in a closed tube |
Saccharometer | amount of sugar in a solution |
Seismometer | seismic waves (for example, earthquakes) |
Sextant | location on earth’s surface (used in naval navigation) |
Spectrometer | properties of light |
Spectrophotometer | intensity of light as a function of wavelength |
Speedometer | speed, velocity of a vehicle |
Spirometer | the lung capacity |
Spherometer | radius of a sphere |
Sphygmomanometer | blood pressure |
Stadimeter | object range |
Strainmeter | seismic strain |
SWR mter | standing wave ratio |
Tacheometer | distance |
Tachometer | revolutions per minute, rate of blood flow, speed of aeroplanes |
Taximeter | distance travelled, displacement |
Tensiometer | surface tension of a liquid |
Theodolite | measuring angles in the horizontal and vertical planes |
Thermometer | temperature |
Tiltmeter | minor changes to the Earth |
Tintometer | colour |
Vacuum Gauge | very low pressure |
Viscometer | viscosity of a fluid |
Voltmeter | electric potential, voltage |
Watt Meter | electrical power |
Wind Vane | wind direction |
Zymometer | fermentation |