| Name of Instrument |
Use of Instrument |
| Altimeter |
Measures altitude (uses in aircraft) |
| Ammeter |
Measures strength of electric current |
| Anemometer |
Measures force and velocity of wind and determines its direction |
| Audiometer |
Measures intensity of sound |
| Barometer |
Measures atmospheric pressure |
| Balometer |
Measures heat radiation |
| Callipers |
Measures inner and outer diameter of solids |
| Calorimeter |
Measures quantities of heat |
| Cardiogram (ECG) |
Traces movements of the heat, recorded on a cardiograph |
| Chronometer |
Determines longitude of a vessel at sea |
| Cryometer |
Measures very low temperatures, usally below 0oC |
| Dynamo |
Convert Mechanical energy into electric energy |
| Dynamometer |
Measures electric power |
|
Electroencephalograph
(EEC) |
Record and interprets the electrical waves of the brain recorded on electroencephalograph |
| Electrometer |
Measures very small, potential difference in electric current |
| Electroscope |
Detects presence of an electric current |
| Edoscope |
Examines internal organs of the body |
| Fathometer |
Measures depth of the ocean |
| Fluxmeter |
Measures magnetic flux |
| Galvanometer |
Measures the eletric current |
| Hydrometer |
Measures the relative density of liquids |
| Hygrometer |
Measures level of humidity |
| Hydrophone |
Measures sound under water |
| Kymograph |
Graphically record physiological movements (e.g., blood pressure/heartbeat) |
| Lactometer |
Measures the relative density of milk to determine purity (fat content) |
| Manometer |
Measures the pressure of gases |
| Microphone |
Converts sound waves into electrical signals |
| Microscope |
To obtain a magnified of light by particles suspended in a liquid |
| Ohmmeter |
Measures electrical resistance in ohms |
| Ondometer |
Measures the frequency of electromagnetic waves |
| Periscope |
To view objects above sea level (used in submarines) |
| 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 altitude and angles in navigation and astronomy |
| Rader |
Detects the direction and range of an approaching aeroplane by means of an radiowaves (Radio, Angle, Detection and Range) |
| Refractometer |
Measures refractive indices |
| Resistance Thermometer |
An accurate type of thermometer in which temperature is meansured by determining the electrical resistance of a coil of thin wire |
| 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 measures the height of distant objects |
| Sphygmomanometer |
Measures Blood pressure |
| Stereoscope |
Used to veiw two - dimensional pictures |
| Stethoscope |
Used by doctors to hear and analyze heat and jung sounds |
| Stroboscope |
Used to view rapidly moving objects |
| Tachometer |
Determines speed, especially the rotational speed of a shaft (used in motor vehicles, aeroplanes and motor-boats) |
| Tacheometer |
Used to measure distance, elevations and bearings during survey |
| Telescope |
Used to view distant objects in space |
| Theodolite |
Measures horizontal and vertical angles |
| Tonometer |
Measures the pitch of sound |
| Transponder |
Used to receive a signal and transmit a reply immediately |
| Udometer |
Rain gauge |
| Venturi meter |
Measures rate of flow of liquids |
| Viscometer |
Measures the viscosity of liquids |
| Voltmeter |
Used to measure potential difference between two points |
| Wattmeter |
Measures the power of an electric circuit |
| Wavemeter |
Measures the wavelength of a radiowave |
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