Scientific Instruments and Uses

• Aerometer - For measuring weight and density of air and gases.
• Altimeter  - Used in aircraft to measure altitude.
• Ammeter Used to measure electrical current flowing in a circuit.
• Anemometer Instrument to measure the force and velocity of wind.
• Audiometer Instrument to measure intensity of sound.
• Barometer Instrument used to measure the atmospheric pressure.
• Calorimeter Instrument used for measuring quantities of heat.
• Cardiogram A medical instrument for tracing heart movements.
• Cresco graph Instrument for use in recording growth of plants.
• Dynamo Instrument for transforming mechanical energy into electrical energy.
• Fathometer Instrument used for measuring depth of the ocean.
• Geiger Counter IUsed for recording the amount of radiation emitted by a source of radio-activity.
• Hydrometer - Instrument used for measuring the specific gravity of liquids
• Hydrophone - Used for recording sound under water
• Hygrometer - For measuring the amount of water vapours (humidity) in the atmosphere.
• Kymograph -Used to record graphically various physiological movements such as blood pressure, heart beating, study of lungs etc. in living beings.
• Lactometer - Apparatus used for measuring the purity of milk.
• Manometer-Apparatus used for determining the pressure of a gas.
• Odometer Instrument by which the distance covered by wheeled vehicles is recorded.
• Oscillograph Instrument for recording electrical or mechanical vibrations.
• Photometer Apparatus used to compare the illuminating power of two sources of light.
• Pyrometer Instrument for recording high temperatures from a great distance.
• Radiometer Instrument for measuring the emission of radiant energy.
• Rain gauge Apparatus for recording of rainfall at a particular piece.
• Refractometer Instrument to measure refractive indices.
• Saccharimeter Instrument for determining the amount of sugar in a solution.
• Sextant An optical instrument used for finding out the altitude of celestial bodies and their angular distances.
• Sphygmomanometer- Instrument used for measuring arterial blood pressure.
• Spherometer Instrument for measuring curvature of surfaces.
• Seismograph Instrument used for recording earthquake shocks.
• Tachometer Instrument for determining speeds of aero planes and motor boats.
• Thermostat Instrument used to regulate the temperature to a particular degree.
• Transformer An electrical apparatus used to convert high voltage to low and vice versa.