List of Scientific Instruments and Uses

• Absorptiometer - Instrument for measuring solubility of gases in liquids
• Accelerometer - Instrument for measuring acceleration or vibrations
• Acetimeter - Instrument for measuring strength of vinegar
• Acidimeter - Instrument for measuring concentration of acids
• Actinograph - Instrument used to calculate time of photographic exposure
• Actinometer - Instrument for measuring incident radiation
• Aerometer - Instrument for measuring weight or density of gas
• Aethrioscope - Instrument for measuring temperature variations due to sky conditions
• Alcoholometer - Instrument for measuring proportion of alcohol in solutions
• Alcovinometer - Instrument to measure strength of wine
• Algometer - Instrument for measuring sensitivity to pain
• Alkalimeter - Instrument for measuring strength of alkalines
• Altimeter - Instrument for measuring altitude
• Ammeter - Instrument for measuring electrical current
• Anemograph - Instrument for measuring pressure and velocity of wind
• Anemometer - Instrument for measuring wind velocity
• Areometer - Instrument used for measuring specific gravity
• Arthroscope - Instrument for examining interior of a joint
• Atmometer - Instrument for measuring evaporating capacity of air
• Audiometer - Instrument for measuring acuity of hearing
• Auriscope - Instrument for examining the ear
• Auxanometer - Instrument for measuring growth of plants
• Auxometer - Instrument for measuring magnifying power
• Ballistocardiograph - Instrument for detecting body movements caused by heartbeat
• Barograph - Instrument for recording air pressure
• Barometer - Instrument for measuring air pressure
• Baroscope - Weather-glass
• Bathymeter - Instrument for recording contours of deep oceans
• Bathythermograph - Instrument for recording water temperature as compared to depth
• Bolometer - Instrument for measuring radiant energy or infrared light
• Bronchoscope     - Instrument for examining the windpipe
• Calorimeter - Instrument for measuring absorbed or evolved heat
• Cardiograph - Instrument for recording movements of the heart
• Cathetometer - Instrument for measuring short vertical distances
• Ceilometer - Instrument for measuring height of cloud ceiling above earth
• Ceraunograph - Instrument for recording thunder and lightning
• Chlorometer - Instrument for measuring amount of chlorine in a solution
• Chromatograph - Instrument for performing chromatographic separations
• Chromatoptometer - Instrument measuring eyes' sensitivity to colour
• Chronograph - Instrument for recording the moment of an event
• Chronometer - Instrument for measuring time
• Chronoscope - Instrument for measuring very short time intervals
• Clinometer - Instrument used to measure slopes and elevations
• Coercimeter - Instrument for measuring coercive force
• Colonoscope - Instrument for viewing the colon
• Colorimeter - Instrument for measuring and determining color
• Colposcope - Instrument for viewing the neck of the uterus
• Coronagraph     - Instrument for viewing the corona of the sun
• Coulombmeter - Instrument for measuring electric charge
• Coulometer Instrument measuring amount of substance released in electrolysis
• Craniometer - Instrument for measuring the skull
• Cratometer - Instrument for measuring power of magnification
• Crescograph - Instrument for measuring the growth of plants
• Cryometer - Instrument for measuring low temperatures
• Cryoscope - Instrument for determining freezing points of substances
• Cyanometer - Instrument for measuring blueness of the sky or ocean
• Cyclograph - Instrument for describing arcs of circles without compasses
• Cyclometer - Instrument for measuring revolutions of a wheel
• Cymograph - Instrument for tracing the outline of mouldings
• Cymometer - Instrument for measuring frequency of electrical waves
• Cystoscope - Instrument for examining the bladder
• Cytometer - Instrument for counting cells
• Decelerometer - Instrument for measuring deceleration
• Declinometer - Instrument for measuring magnetic declination
• Dendrometer - Instrument for measuring trees
• Densimeter - Instrument for measuring closeness of grain of a substance
• Densitometer - Instrument for measuring optical or photographic density
• Diagometer - Instrument for measuring electrical conductivity
• Diagraph - Instrument for enlarging or projecting drawings
• Diaphanometer - Instrument for measuring the transparency of air
• Dichroscope - Instrument for examining crystals for dichroism
• Diffractometer - Instrument for determining structure of crystal through light diffraction
• Dilatometer - Instrument for measuring expansion
• Dioptometer - Instrument for measuring focus or refraction of the eyes
• Dipleidoscope - Instrument for measuring moment when an object passes a meridian
• Diplograph - Instrument for writing two lines of text at once
• Dosimeter - Instrument for measuring dose of radiation
• Dromometer - Instrument for measuring speed
• Drosometer - Instrument for measuring dew
• Durometer - Instrument for measuring hardness of substances
• Dynamograph - Instrument for recording mechanical forces
• Dynamometer - Instrument for measuring mechanical force
• Ebullioscope - Instrument for measuring boiling point of liquids
• Effusiometer - Instrument for comparing molecular weights of gases
• Eidograph - Instrument for copying drawings
• Elatrometer - Instrument for measuring gaseous pressure
• Electrocardiograph - Instrument for recording unusual electrical fluctuations of the heart
• Electrodynamometer - Instrument for measuring electrical current
• Electroencephalograph - Instrument for measuring the brain's electrical impulses
• Electrograph - Instrument for recording electrical potential
• Electrometer - Instrument for measuring electrical potential
• Electromyograph - Instrument for diagnosing neuromuscular disorders
• Electroretinograph - Instrument for measuring electrical activity in the retina
• Electroscope - Instrument for detecting electrical charges in the body
• Ellipsograph - Instrument for describing ellipses
• Encephalograph - Instrument for recording brain images
• Endoscope - Instrument for visualizing interior of a hollow organ
• Endosmometer - Instrument for measuring osmosis into a solution
• Epidiascope - Instrument for projecting images of objects
• Episcope - Instrument for projecting images of opaque objects
• Ergograph - Instrument for measuring and recording muscular work
• Ergometer - Instrument for measuring work performed
• Eriometer - Instrument for measuring very small diameters
• Eudiometer - Instrument for measuring air purity
• Evaporimeter - Instrument for measuring rate of evaporation
• Extensometer - Instrument for measuring deformation in object due to forces applied
• Fathometer - Instrument for measuring underwater depth using sound
• Fiberscope - Instrument using fiberoptics to examine inaccessible areas
• Floriscope - Instrument for inspecting flowers
• Flowmeter - Instrument for measuring properties of flowing liquids
• Fluorimeter - Instrument for measuring fluorescence
• Fluoroscope - Instrument using x-rays to examine internal structure of opaque object
• Focimeter - Instrument for measuring focal length of a lens
• Galactometer - Instrument for measuring specific gravity of milk
• Galvanometer - Instrument for measuring electrical current
• Galvanoscope - Instrument for detecting presence and direction of electric current
• Gasometer - Instrument for holding and measuring gases
• Gastroscope - Instrument for examining interior of the stomach
• Geothermometer - Instrument for measuring subterranean temperatures
• Goniometer - Instrument for measuring angles between faces
• Gradiometer - Instrument for measuring gradient of a physical quantity
• Gravimeter - Instrument for measuring variations in gravitational fields
• Gyrograph - Instrument for counting a wheel's revolutions
• Haptometer - Instrument measuring sensitivity to touch
• Harmonograph - Instrument drawing curves representing vibrations
• Harmonometer - Instrument measuring harmonic relations of sounds
• Helicograph - Instrument for drawing spirals on a plane
• Heliograph - Instrument for measuring intensity of sunlight
• Heliometer - Instrument for measuring apparent diameter of the sun
• Helioscope - Instrument for observing sun without injury to the eyes
• Hemacytometer - Instrument for counting blood cells
• Hippometer - Instrument to measure height of horses
• Hodoscope - Instrument for tracing paths of ionizing particles
• Hydrometer - Instrument for measuring specific gravity of liquids
• Hydroscope - Instrument for viewing under water
• Hydrotimeter - Instrument for measuring water hardness
• Hyetograph - Instrument for recording rainfall
• Hyetometer - Instrument for measuring rainfall
• Hyetometrograph - Instrument for recording rainfall
• Hygrograph - Instrument for recording variations in atmospheric humidity
• Hygrometer - Instrument for measuring air moisture
• Hygroscope - Instrument for displaying changes in air humidity
• Hypsometer - Instrument for measuring height of trees through triangulation
• Iconometer - Instrument for finding size of object by measuring its image
• Idiometer - Instrument for measuring motion of observer in relation to transit of the heavens
• Inclinometer - Instrument for measuring inclination to the horizontal of an axis
• Interferometer - Instrument for analysing spectra of light
• Iriscope - Instrument for exhibiting the prismatic colours
• Katathermometer - Instrument for measuring the cooling power of air
• Katharometer - Instrument measuring changes in composition of gases
• Keratometer - Instrument for measuring curvature of the cornea
• Keraunograph - Instrument for recording distant thunderstorms
• Kinetoscope - Instrument for producing curves by combination of circular movements
• Konimeter - Instrument measuring amount of dust in air
• Koniscope - Instrument for measuring dust in air
• Kymograph - Instrument for recording fluid pressure
• Labidometer - Instrument for measuring size of the head of a fetus
• Lactometer - Instrument for testing relative density of milk
• Lactoscope - Instrument for measuring purity or richness of milk
• Lanameter - Instrument for measuring quality of wool
• Laparoscope - Instrument for viewing interior of peritoneal cavity
• Laryngoscope - Instrument for examining interior of the larynx
• Leptometer - Instrument for measuring oil viscosity
• Loxodograph - device used to record ship's travels
• Lucimeter - Instrument for measuring light intensity
• Luxmeter - Instrument for measuring illumination
• Lysimeter - Instrument for measuring percolation of water through soil
• Magnetograph - Instrument for recording measurements of magnetic fields
• Magnetometer - Instrument for measuring intensity of magnetic fields
• Manometer - Instrument for measuring pressure of a liquid or gas
• Marigraph - Instrument for recording tide levels
• Mecometer - Instrument for measuring length
• Megameter - Instrument for determining longitude by observing stars
• Megascope - Instrument for projecting an enlarged image
• Mekometer - Range-finder
• Meldometer - Instrument for measuring melting points of substances
• Meteorograph - Instrument recording a variety of meteorological observations
• Methanometer - Instrument for detecting presence of methane
• Microbarograph - Instrument for recording minute changes in atmospheric pressure
• Microcalorimeter - Instrument for measuring tiny quantities of heat
• Micrograph - Instrument used to write on a very small scale
• Micrometer - Instrument for measuring very small distances
• Micronometer - Instrument for measuring short periods of time
• Microscope - Instrument for magnifying small objects
• Microseismograph - Instrument for recording small or distant earthquakes
• Microseismometer - Instrument for measuring small or distant earthquakes
• Mileometer - Instrument for recording distance travelled in miles
• Milliammeter - Instrument for recording very small electrical currents
• Myograph - Instrument for recording muscular contractions
• Myringoscope - Instrument for viewing the eardrum
• Nephelometer - Instrument for measuring cloudiness
• Nephograph - Instrument for photographing clouds
• Nephoscope - Instrument for observing direction and velocity of clouds
• Nitrometer - Instrument for measuring nitrogen and its compounds
• Odograph – also known as odometer is the instrument for measuring distance travelled
• Odontograph - Instrument for obtaining curves for gear-teeth
• Oenometer - Instrument for measuring alcoholic strength of wine
• Ohmmeter - Instrument for measuring electrical resistance
• Oleometer - Instrument for measuring amount of oil in a substance
• Olfactometer - Instrument measuring intensity of odour of a substance
• Ombrometer - Rain-gauge
• Oncometer - Instrument measuring change in size of internal organs
• Oncosimeter - Instrument measuring variations in density of molten metal
• Ondograph - Instrument measuring change in wave formations of electricity
• Oometer - Instrument for measuring eggs
• Opacimeter - Instrument for measuring opacity
• Opeidoscope - Instrument for illustrating sound by means of light
• Ophthalmometer - Instrument for measuring the eye
• Ophthalmoscope - Instrument for viewing the interior of the eye
• Opisometer - Instrument for measuring curved lines
• Opsiometer - Instrument for testing vision
• Optometer - Instrument for testing vision
• Orchidometer - Instrument for measuring the size of the testicles
• Oscillograph - Instrument for recording alternating current wave forms
• Oscillometer - Instrument for measuring ship's rollings
• Oscilloscope - Iinstrument for detecting electrical fluctuations
• Osmometer - Instrument for measuring osmotic pressure
• Otoscope - Instrument for examining the ear
• Pachymeter - Instrument for measuring small thicknesses
• Pallograph - Instrument measuring ship's vibration
• Pantochronometer - Combined sundial and compass
• Pantograph - Instrument for copying drawing to a different scale
• Passimeter - Instrument for issuing automatic tickets
• Pedometer - Instrument for measuring distance travelled on foot
• Peirameter - Instrument measuring resistance of road surfaces to wheel movement
• Pelvimeter - Instrument for measuring the pelvis
• Penetrometer - Instrument for measuring firmness or consistency of substances
• Permeameter - Instrument For Measuring Permeability
• Phacometer - Instrument for measuring lenses
• Phaometer - Old instrument for measuring light intensity
• Pharmacometer - Instrument for measuring drugs
• Pharyngoscope - Instrument for inspecting the pharynx
• Phonautograph - Instrument for recording sound vibrations
• Phonendoscope - Device which amplifies small sounds
• Phonometer - Instrument for measuring sound levels
• Phorometer - Instrument used to correct abnormalities in eye muscles
• Photometer - Instrument for measuring light intensity
• Photopolarimeter - Instrument for measuring intensity and polarization of reflected light
• Phototachometer - Instrument for measuring the speed of light
• Phototelegraph - Instrument for transmitting drawings telegraphically
• Phthongometer - Instrument measuring intensity of vowel sounds
• Piezometer - Instrument for measuring pressure or compressibility
• Pitchometer - Instrument for measuring angles of ship's propeller blades
• Planigraph - Instrument for copying drawings at a different scale
• Planimeter - Instrument for measuring area of plane figures
• Platometer - Instrument for measuring area; planimeter
• Plegometer - Instrument for measuring the strength of a blow
• Plemyrameter - Instrument for measuring variations in water level
• Plethysmograph - Instrument for measuring change in body part size due to blood flow
• Pluviograph - Self-registering rain gauge
• Pluviometer - Rain-meter
• Pneometer - Instrument that measures respiration
• Pneumatometer - Instrument for measuring quantity of air breathed
• Pneumograph - Instrument for measuring and recording respiration
• Polarimeter - Instrument for measuring polarised light
• Polariscope - Instrument for detecting polarized light
• Polygraph - Instrument for measuring small changes in pulse and respiration
• Porometer - Instrument for measuring degree of porosity
• Poroscope - Instrument for investigating porosity
• Potentiometer - Instrument for measuring electromotive forces
• Potometer - Instrument measuring rate at which plants absorb water
• Prisoptometer - Instrument for measuring degree of astigmatism
• Proctoscope - Instrument for examining the rectum
• Psophometer - Instrument measuring audible interference of electrical current
• Psychograph - Instrument that supposedly records spirit messages
• Psychrometer - Instrument for measuring air moisture or temperature
• Psychrometer - Instrument for measuring dryness of the atmosphere
• Pulsimeter - Instrument for measuring the pulse
• Pycnometer - Instrument for measuring specific gravity or density
• Pyknometer - Instrument for measuring specific gravities
• Pyranometer - Instrument measuring solar radiation from the sky's whole hemisphere
• Pyrgeometer - Instrument for measuring radiation from earth
• Pyrheliometer - Instrument for measuring heating effect of sun
• Pyrometer - Instrument for measuring very high temperatures
• Pyroscope - Instrument for measuring intensity of radiant heat
• Qualimeter - Apparatus for measuring penetrating power of X-ray beams
• Quantimeter - Apparatus for measuring quantity of X-rays
• Quantometer - Instrument for measuring proportions of elements in metallic samples
• Rachiometer - Instrument for measuring the spine
• Radarscope - Instrument for detecting radar signals
• Radiogoniometer - Instrument for finding direction through radio signals
• Radiometeorograph - Instrument for measuring atmospheric conditions at high altitude
• Radiometer - Instrument measuring radiation energy
• Radioscope – Instrument for viewing objects using X-rays
• Ratemeter - Instrument for measuring counting rate of electronic counters
• Recipiangle - Old instrument with two arms used for measuring angles
• Reflectometer - Instrument for measuring reflectance of radiant energy
• Refractometer - Instrument measuring refraction of light
• Respirometer - Instrument for measuring and studying respiration
• Retinoscope - Instrument for measuring and viewing the retina
• Rheometer - Instrument that measures current
• Rhinoscope - Instrument for examining the nose
• Rhythmometer - Instrument for measuring speed of rhythms
• Riometer - Instrument for measuring absorbed cosmic radio waves
• Rotameter - Old instrument for measuring length of curved lines
• Raccharimeter - Instrument for measuring amount of sugar in a solution
• Salinometer - Instrument for measuring amount of salt in a solution
• Scintillometer - Instrument measuring scintillation of star
• Scintilloscope - Instrument for measuring gamma rays emitted by a radioactive body
• Sclerometer - Instrument measuring hardness
• Scoliometer - Instrument measuring curvature
• Scotograph - Instrument for writing without seeing
• Scotoscope - Instrument for detecting objects in darkness
• Seismograph - Instrument for recording earthquakes
• Seismometer - Instrument for measuring earthquake intensity
• Seismoscope - Instrument for detecting earthquakes
• Selenoscope - Instrument for viewing the moon
• Sensitometer - Instrument for measuring sensitivity of photographic material
• Sepometer - Instrument for measuring septic matter in the air
• Serimeter - Instrument for testing quality of silk
• Shuftiscope - Instrument used to explore interior of dysentery case
• Siccimeter - Instrument for measuring liquid evaporation
• Sideroscope - Instrument using magnets to detect presence of iron
• Sigmoidoscope - Instrument for examining the interior of the rectum and sigmoid colon
• Sillometer - Instrument measuring speed of ship
• Skiascope - Instrument for measuring eye's refraction from movement of shadows
• Snooperscope - Instrument for viewing infrared radiation
• Solarimeter - Instrument for measuring solar radiation
• Sonograph - Instrument for recording and analysing sound
• Spectrofluorimeter -Instrument for measuring and recording fluorescence spectra
• Spectrograph - Instrument for viewing a spectrum
• Spectroheliograph - Instrument for taking pictures of the sun
• Spectroheliokinematograph - camera for taking pictures of the sun
• Spectrohelioscope - Instrument for viewing solar disc in light of a single wavelength
• Spectrometer - Instrument measuring wavelengths of light of a spectrum
• Spectrophotometer - Instrument for measuring speed of different parts of light spectrum
• Spectroscope - Instrument for forming spectra by dispersing rays of light
• Speedometer - Instrument for measuring velocity
• Spherometer - Iinstrument measuring curvature
• Sphygmograph - Instrument for recording pulse
• Sphygmomanometer - Instrument for measuring arterial blood pressure
• Sphygmometer - Instrument for measuring arterial blood pressure
• Sphygmoscope - Instrument for making arterial pulsations visible
• Spinthariscope - Instrument for visually detecting alpha particles
• Spirograph - Instrument recording movements of breathing
• Spirometer - Instrument measuring lung capacity
• Stactometer - Pipette with hollow bulb for counting drops
• Stadiometer - Instrument for measuring the length of a curved line
• Stagmometer - Instrument for measuring number of drops in volume of liquid
• Stalagmometer - Instrument for measuring surface tension by drops
• Statoscope - Instrument for measuring small changes in atmospheric pressure
• Stauroscope - Instrument for studying structure of crystals with polarised light
• Stenometer - Instrument for measuring distances
• Stereometer - Instrument for measuring specific gravity
• Stereoscope - Instrument for viewing special three-dimensional photographs
• Stethometer - Instrument measuring chest expansion during breathing
• Stethoscope - Instrument for detecting sounds produced by the body
• Strabismometer - Instrument measuring degree of squinting
• Strabometer - Instrument for measuring strabismus in the eyes
• Stroboscope - Instrument for studying motion using flashes of light
• Stylometer - Instrument for measuring columns
• Swingometer - Instrument for measuring swing in votes during an election
• Sympiesometer - Instrument for measuring pressure of a current
• Synchroscope - Instrument for detecting whether two moving parts are synchronized
• Tacheometer - Instrument for rapidly measuring survey points on a map
• Tachistoscope - Instrument for rapidly showing images on a screen to test perception
• Tachograph - Instrument for recording speed of rotation
• Tachometer - Instrument for measuring speed of rotation
• Taseometer - Instrument for measuring stress in a structure
• Tasimeter - Instrument for measuring changes in pressure
• Taximeter - Instrument for measuring fee for hired vehicle
• Telemeter - Instrument for measuring strain or distance from observer
• Telescope - Instrument for viewing objects at great distances
• Telespectroscope - Instrument for analysing radiation omitted by distant bodies
• Telestereoscope - Instrument for viewing distant objects stereoscopically
• Tellurometer - Instrument using microwaves to measure distance
• Tenderometer - Instrument for measuring tenderness of fruits and vegetables
• Tensimeter - Instrument for measuring vapour pressure
• Tensiometer - Instrument for measuring tension
• Thalassometer - Instrument for measuring tides
• Thermograph - Instrument for recording changes in temperature
• Thermometer - Instrument for measuring temperature
• Thermometrograph - Instrument for recording changes in temperature
• Thermoscope - Instrument indicating change in temperature
• Thoracoscope - Instrument for viewing the thorax and chest wall
• Tiltmeter - Instrument for measuring tilting of earth's surface
• Tocodynamometer - Instrument for measuring uterine contractions during childbirth
• Tomograph - Instrument for viewing section of an object using X-rays
• Tonometer - Instrument measuring pitch of musical tones
• Topophone - Instrument to determine direction and distance of a fog-horn
• Torsiograph - Instrument for recording torsional vibrations on an object
• Transmissometer - Instrument for measuring transmission of light through a fluid
• Trechometer - Iinstrument for determining distance travelled; odometer
• Tremograph - Instrument for recording involuntary muscular motion
• Tribometer - Instrument measuring friction
• Trigonometer - Instrument for solving triangles
• Trocheameter - Instrument counting wheel's revolutions
• Tromometer - Instrument for measuring slight earthquake shocks
• Tropometer - Instrument measuring rotation
• Turbidimeter - Instrument for measuring turbidity of liquids
• Turgometer - Instrument for measuring turgidity
• Typhlograph - Instrument to help the blind write clearly
• Udometer - Instrument for measuring rainfall
• Ultramicroscope - Instrument for viewing extremely small objects
• Urethroscope - Instrument for viewing the interior of the urethra
• Urinometer - Instrument for measuring specific gravity of urine
• Vaporimeter - Instrument for measuring vapour pressure
• Variometer - Instrument for measuring magnetic declination
• Velocimeter - Instrument for measuring velocity
• Velometer - Instrument for measuring speed of air
• Viameter - Instrument for measuring revolutions of a wheel
• Vibrograph - Instrument for recording vibrations
• Vibrometer - Instrument for measuring vibrations
• Viscometer - Instrument for measuring viscosity
• Visometer - Instrument for measuring focal length of the eye
• Voltameter - Instrument for measuring electrical current indirectly
• Voltmeter - Instrument for measuring electrical potential
• Volumenometer - Instrument for measuring volume of a solid
• Volumeter – Instrument for measuring volume of a liquid or gas
• Wattmeter - Instrument for measuring electrical power
• Wavemeter - Instrument for measuring wavelengths
• Weatherometer - Instrument for measuring weather-resisting properties of paint
• Xanthometer - Instrument for measuring colour of sea or lake water
• Xylometer - Instrument measuring specific gravity of wood
• Zymometer - Instrument for measuring fermentation
• Zymosimeter - Instrument for measuring fermentation