Some Scientific Instruments

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

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