|
No. |
Name of instrument |
Use |
|
01 |
Altimeter |
Measures altitudes (used in aircraft) |
|
02 |
Ammeter |
Measures strength of electric current |
|
03 |
Anemometer |
Measures force and velocity of wind and determines its directions |
|
04 |
Audiometer |
Measures intensity of sound |
|
05 |
Barograph |
Continuous recording of atmospheric pressure |
|
06 |
Barometer |
Measures atmospheric pressure |
|
07 |
Binoculars |
To view distant objects |
|
08 |
Bolometer |
To measure heat radiation |
|
09 |
Callipers |
Measure inner and outer diameters of bodies |
|
10 |
Calorimeter |
Measures quantities of heat |
|
11 |
Cardiogram (ECG) |
Traces movements of the heart; recorded on a Cardiograph |
|
12 |
Cathetometer |
Determines heights, measurement of levels, etc., in scientific experiments |
|
13 |
Chronometer |
Determines longitude of vessel at sea |
|
14 |
Colorimeter |
Compares intensity of colours |
|
15 |
Commutator |
To change/reverse the direction of electric cuttent; Also used to convert AC
into DC |
|
16 |
Cryometer |
A type of thermometer used to measure very low-tempratures, usually close to
0 0 C |
|
17 |
Cyclotron |
A charged particle accelerator which can accelerate charged particles to
high energies |
|
18 |
Dilatometer |
Measures changes in volume of substances |
|
19 |
Dynamo |
To convert mechanical energy into electrical energy |
|
20 |
Dynamometer |
Measures electrical power |
|
21 |
Electroencephalogram (EEC) |
Records and interrupts the electrical waves of the brain recorded on
electroencephalograms. |
|
22 |
Electrometer |
Measures very call but potential difference in electric currents |
|
23 |
Electroscope |
Detects presence of an electric charge |
|
24 |
Electron microscope |
To obtain a magnifying view of very small objects. Capable of magnifying up
to 20,000 times |
|
25 |
Endo scope |
To examine internal parts of the body |
|
26 |
Fathometer |
Measures depth of the ocean |
|
27 |
Flux meter |
Measures magnetic flux |
|
28 |
Galvanometer |
Measures electric current |
|
29 |
Hydrometer |
Measures the relative density of liquids |
|
30 |
Hygrometer |
Measures level of humidity |
|
31 |
Hydrophone |
Measures sound under water |
|
32 |
Hygroscope |
Shows the changes in atmospheric humidity |
|
33 |
Hypsometer |
To determine boiling point of liquids |
|
34 |
Kymograph |
Graphically records physiological movement |
|
35 |
Lactometer |
Measures the relative density of milk to determine purity |
|
36 |
Mach meter |
Determines the speed of an aircraft in terms of the speed of sound |
|
37 |
Magnetometer |
Compares magnetic movements and fields |
|
38 |
Manometer |
Measures the pressure of gases |
|
39 |
Micrometer |
Converts sound waves into electrical vibrations |
|
40 |
Microphone |
Measures distances / Angles |
|
41 |
Microscope |
To otain a magnified view of small objects |
|
42 |
Nephetometer |
Measures the scattering of light by particles suspended in a liquid |
|
43 |
Ohmmeter |
To measure electrical resistances in ohms |
|
44 |
Ondometer |
Measures the frequency of electromagnetic waves, especially in the
radio-frequency band |
|
45 |
Periscope |
To view objects above sea level ( used in submarines ) |
|
46 |
Photometer |
Compares the luminous intensity of the source of light |
|
47 |
Polygraph |
Instrument that simultaneously records changes in physiological processes
such as heartbeat, blood-pressure and respiration; used as a lie detector |
|
48 |
Pyknometer |
Determines the density and coefficient of expansion of liquids |
|
49 |
Pyrheliometer |
Measures components of solar radiation |
|
50 |
Pyrometer |
Measures very high temperature |
|
51 |
Quadrant |
Measures altitudes and angles in navigation and stronomy |
|
52 |
Radar |
To detect the direction and range of an approaching aero- plane by means of
radio waves, (Radio, Angle, Detection and Range) |
|
53 |
Radio micrometer |
Measures heat radiation |
|
54 |
Refractometer |
Measures refraction indices |
|
55 |
Salinometer |
Determines salinity of solutions |
|
56 |
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 |
|
57 |
Spectroscope |
To observe or record spectra |
|
58 |
Spectrometer |
Spectroscope equipped with calibrated scale to measure the position of
spectral lines Measurement of refractive indices |
|
59 |
Spherometer |
Measures curvature of spherical objects |
|
60 |
Sphygmomanometer |
Measures blood pressure |
|
61 |
Stereoscope |
To view two-dimensional pictures |
|
62 |
Stethoscope |
Used by doctors to hear and analyze heart and lung sounds |
|
63 |
Stroboscope |
To view rapidly moving objects |
|
64 |
Tachometer |
To determine speed, especially the rotational speed of a shaft (used in aero
planes and motorboats) |
|
|
Tacheometer |
A theodolite adapted to measure distances, elevations and bearings during
survey |
|
65 |
Tangent galvanometer |
Measures the strength of direct current |
|
66 |
Telemeter |
Records physical happenings at a distant place |
|
67 |
Teleprinter |
Receives an sends typed messages from one place to another |
|
68 |
Telescope |
To view distant objects in space |
|
69 |
Thermometer |
Temperature is measured by determining the electrical resistance of a coil
of thin wire |
|
70 |
Theodolite |
Measure horizontal and vertical angles |
|
71 |
Thermostat |
Regulates the temperature to a particular point |
|
72 |
Tonometer |
To measure the pitch of a sound |
|
73 |
Transponder |
To receive a signal and transmit a reply immediately |
|
74 |
Udometer |
Rain gauge |
|
75 |
Ultrasonoscope |
To measure and use ultrasonic sound (beyond hearing); use to make a Ecogram
to detect brain tumors, heart detects and abnormal growth |
|
76 |
Venturimeter |
To measure the rate of flow of liquids |
|
77 |
Vernier |
Measures small sun-division of scale |
|
78 |
Viscometer |
Measures the viscosity of liquid |
|
79 |
Voltmeter |
To measure electric potential deference between two points |
|
80 |
Wattmeter |
To measure the power of an electric circuit |
|
81 |
Wavemeter |
To measure the wavelength of a radiowave |
General Knowledge :: Scientific Instruments