***SCIENTIFIC INSTRUMENTS AND THIER USAGES***
1.Aerometer :
Instrument for measuring weight and density of air and gases.
2. Altimeter :
Instrument used in aircraft to measure altitude.
3. Ammeter :
Instrument used to measure electrical current flowing in a circuit.
4. Anemometer :
Instrument to measure the force and velocity of wind.
5. Audiometer :
Instrument to measure intensity of sound.
6. Barometer :
Instrument used to measure the atmospheric pressure.
7. Calorimeter :
Instrument used for measuring quantities of heat.
8. Cardiogram :
A medical instrument for tracing heart movements.
9. Crescograph :
Instrument for use in recording growth of plants.
10. Dynamo :
Instrument for transforming mechanical energy into electrical energy.
11. Fathometer :
Instrument used for measuring depth of the ocean.
12. Geiger Counter :
Instrument for recording the amount of radiation emitted by a source of radio-activity.
13. Hydrometer :
Instrument used for measuring the specific gravity of liquids
14. Hydrophone :
Instrument used for recording sound under water
15. Hygrometer :
Instrument for measuring the amount of water vapours (humidity) in the atmosphere.
16. Kymograph :
Instrument used to record graphically various physiological movements i.e.,blood pressure,heart beating, study of lungs etc. in living beings.
17. Lactometer :
Aparatus used for measuring the purity of milk.
18. Manometer :
Apparatus used for determining the pressure of a gas.
19. Odometer :
Instrument by which the distance covered by wheeled vehicles is recorded.
20. Oscillograph :
Instrument for recording electrical or mechanical vibrations.
21. Photometer :
Apparatus used to compare the illuminating power of two sources of light.
22. Pyrometer :
Instrument for recording high temperatures froma great distance.
23. Radiometer :
Instrument for measuring the emission of radiant energy.
24.Rain gauge :
Apparatus for recording of rainfall at a particular piece.
25. Refractometer :
Instrument to measure refractive indices.
26. Saccharimeter :
Instrument for determining the amount of sugar in a solution.
27. Sextant :
An optical instrument used for finding out the altitude of celestial bodies and their angular distances.
28. Sphygmomanometer :
Instrument used for measuring arterial bolld- pressure.
29. Spherometer :
Instrument for measuring curvature of surfaces.
30. Seismograph :
Instrument used for recording earthquake shocks.
31. Tachometer :
Instrument for determining speeds of aeroplanes and motor boats.
32. Thermostat :
Instrument used to regulate the temperature to a particular degree.
33. Transformer :
An electrical apparatus used to convert high voltage to low and vice versa
