SCIENTIFIC INSTRUMENTS
Aerometer
Instrument for measuring weight and density of air and gases. Altimeter Instrument used in aircraft to measure altitude. Ammeter Instrument 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. Crescograph 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 Instrument for recording the amount of radiation emitted by a source of radio-activity. Hydrometer Instrument used for measuring the specific gravity of liquids Hydrophone Instrument used for recording sound under water Hygrometer Instrument for measuring the amount of water vapours (humidity) in the atmosphere. Kymograph Instrument used to record graphically various physiological movements i.e.,blood pressure,heart beating, study of lungs etc. in living beings |
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Lactometer
Aparatus 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 froma 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. |
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Sphygmomanometer
Instrument used for measuring arterial bolld- pressure. Spherometer Instrument for measuring curvature of surfaces. Seismograph Instrument used for recording earthquake shocks. Tachometer Instrument for determining speeds of aeroplanes 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 |
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