Scientific Instruments
Scientific Instruments
| Instrument | Use |
|---|---|
| Altimeter | Measures altitudes (used in aircraft) |
| Ammeter | Measures strength of electric current |
| Anemometer | Measures force and velocity of wind and directions |
| Audiometer | Measures intensity of sound |
| Barograph | Continuous recording of atmospheric pressure |
| Barometer | Measures atmospheric pressure |
| Binoculars | To view distant objects |
| Bolometer | To measure heat radiation |
| Callipers | Measure inner and outer diameters of bodies |
| Calorimeter | Measures quantities of heat |
| Cardiogram | Measures quantities of heat |
| Cardiogram (ECG) | Traces movements of the heart; recorded on a Cardiograph |
| Cathetometer | Determines heights, measurement of levels, etc, in scientific experiments |
| Chronometer | Determines longitude of a vessel at sea. |
| Colorimeter | Compares intensity of colours |
| Commutator | To change/reverse the direction of electric current; Also used to convert AC into DC |
| Cryometer | A type of thermometer used to measure very low temperatures, usually close to 0°C |
| Cyclotron | A charged particle accelerator which can accelerate charged particles to high energies |
| Pilatometer | Measures changes in volume of substances |
| Dyanamo | Converts mechanical energy into electrical energy |
| Dynamometer | Measures electrical power |
| Electro encephalo grameg (EEC) | Measures and records electrical activity of brain |
| Electrometer | Measures very small but potential difference in electric currents |
| Electroscope | Detects presence of an electric charge |
| Electro microscope | To obtain a magnifying view of very small objects Capable of magnifying up to 20,000 times |
| Endoscope | To examine internal parts of the body |
| Electro microscope | To obtain a magnifying view of very small objects Capable of magnifying up to 20,000 times |
| Endoscope | To examine internal parts of the body |
| Fathometer | Measures depth of the ocean |
| Fiuxmeter | Measures magnetic flux |
| Galvanometer | Measures electric current |
| Hydrometer | Measures the relative density of liquids |
| Hygrometer | Measures level of humidity |
| Hydrophone | Measures sound under water |
| Hygroscope | Shows the changes in atmospheric humidity |
| Hypsometer | To determine boiling point of liquids |
| Lactometer | Measures the relative density of milk to determine purity |
| Machmeter | Determines the speed of an aircraft in terms of the speed of sound |
| Magnetometer | Compares magnetic moments of magnets and fields |
| Manometer | Measures the pressure of gases |
| Micrometer | Measures distances/angles |
| Aerophone | Converts sound waves into electrical vibrations |
| Instrument | Use |
|---|---|
| Microscope | To obtain a magnified view of small objects |
| Nephetometer | Measures the scattering of light by particles suspended in a liquid |
| Ohmmeter | To measure electrical resistance in ohms |
| Ondometer | Measures the frequency of electromagnetic waves, especially in the radio-frequency band |
| Periscope | To view objects above sea level (used in submarines) |
| Photometer | Compares the luminous intensity of the source of light |
| Polygraph | Instrument that simultaneously records changes in physiological processes such as heartbeat, blood-pressure and respiration; used as a lie detector |
| Pyknometer | Determines the density and coefficient of expansion of liquids |
| Pyrheliometer | Measures components of solar radiation |
| Pyrometer | Measures very high temperature |
| Quadrant | Measures altitudes and angles in navigation and astronomy |
| Radar | To detect the direction and range of an approaching aeroplane by means of radiowaves, (Radio, Angle, Detection and Range) |
| Radio micrometer | Measures heat radiation |
| Refractometer | Measures refractive indices |
| Salinometer | Determines salinity of solutions |
| Sextant | Used by navigators to find the latitude of a place by measuring the elevation above the horizon of the sun or another star; also used to measure the height of very distant objects |
| Spectroscope | To observe or record spectra |
| Spectrometer | Spectroscope equipped with calibrated scale to measure the position of spectral lines (Measurement of refractive indices) |
| Spherometer | Measures curvature of spherical objects |
| Sphygmometer | Measures blood pressure |
| Stereoscope | To view two-dimensional pictures |
| Stethoscope | Used by doctors to hear and analyze heart and lung sounds |
| Stroboscope | To view rapidly moving objects |
| Tachometer | To determine speed, especially the rotational speed of a shaft (used in aeroplanes and motor-boats) |
| Galvanometer | Measures the strength of direct current |
| Telemeter | Records physical happenings at a distant place |
| Teleprinter | Receives and sends typed messages from one place to another |
| Telescope | To view distant objects in space |
| Thermometer | Measures Temperature |
| Thermostat | Regulates temperature at a particular point |
| Tonometer | To measure the pitch of a sound |
| Transponder | To receive a signal and transmit a reply immediately |
| Udometer | Rain gauge |
| Ultrasonoscope | To measure and use ultrasonic sound (beyond hearing); use to make a Ecogram to detect brain tumours, heart defects and abnormal growth |
| Venturimeter | To measure the rate of flow of liquids |
| Vernier | Measures small sub-division of scale |
| Viscometer | Measures the viscosity of liquid |
| Voltmeter | To measure electric potential difference between two points |
| Wattmeter | To measure the power of an electric circuit |
| Wavemeter | To measure the wavelength of a radiowave |