Here i am giving a list of 51 instrument and brief use of that instrument. Uses of Scientific Instruments is given below.

Uses of Scientific Instruments
- Accumulator: Electrical energy is stored.
- Altimeter: Used in aircraft for measuring altitudes.
- Ammeter: Measure the electrical current in ampere
- Anemometer: Measuring the strength of winds.
- Audiometer: Measuring intensity of wind
- Barometer: Measuring atmospheric pressure
- Binocular: An optical instrument designed for magnified view of distant objects by both eyes.
- Cardiogram: For recording the heart’s movement
- Calorimeter: Measuring of quantities of heat
- Chronometer: A clock that keeps very accurate time as the one that is used to determine longitude at sea.
- Clinical thermometer: A thermometer for measuring the temperature of human body
- Calorimeter: An instrument for comparing the intensities of colour.
- Commutator: An instrument to remove or change the direction of electric current.
- Crescograph: For recording the growth of plants.
- Cyclotron: studying the properties of a term by smashing them.
- Dynamo: A device for connecting mechanical energy into electrical energy.
- Dynamometer: An instrument for measuring the electrical power.
- Electroscope: An instrument for detecting the presence of electric charge.
- Fathometer: For measuring the depth of oceans
- Galvanometer: For detecting and measuring electric current
- Hydrometer: For detecting the specific gravity of liquids.
- Hygrometer: form using the amount of water vapours.
- Iron Lung: For artificial respiration.
- Lactometer: for detecting the purity of milk.
- Monometer: for measuring the gas pressure
- Micrometre: For accurately measuring the small distance or angles.
- Microscope: An instruments for magnified view of small objects.
- Odometer: the distance covered by a wheeled vehicle is recorded.
- Oscillograph: For recording electrical are mechanical vibration
- Phonograph: For reproducing sound
- Photometer: an instrument for the comparing the luminous intensity of the source of light.
- Plantimeter: a mechanical instrument to measure the area of a plain surface.
- Pyrometer: for using high temperature from a distance.
- Quadrant: instrument for measuring the angle from a distance
- Radiometer: an instrument for measuring the radiation energy
- Rain guage: An instrument for measuring rainfall.
- Rectifier: An instrument for the conversion of AC to DC.
- Sextant: measure distance scientifically
- Spectroscope: an instrument to measure the spectrum analysis
- Speedometer: IT registers the speed on which vehicle is moving
- Spherometer: for measuring the curvature of surface
- Stopwatch: recording a small intervals of time in the races
- Tachometer: for measuring speed of aeroplanes
- Telemeter: for recording physical events happening at a distance
- Teleprinter: a machine which records automatically the message received on telephone wires.
- Theodolite: measuring distance on the surface of the earth
- Thermometer: for recording temperature of a human body
- Thermocouple: measuring temperature
- Thermostat: automatically control the temperature of a particular degree
- Transformer: to convert high voltage to low voltage or vice versa
- Vernier: An adjustable scale for measuring small sub division of scale.
Science is the father of mathematics now a days.