Instruments and its uses

Katharometer                                       – Device for measuring thermal conductivity Magnetometer                                     – Comparing strengths of magnetic fields. Thermometer, thermocouple               – Measuring temperature Thermostat                                          – Device for maintaining constant temperature Vernier                                                 – Device for measuring subdivisions of a scale Anemometer                                        – Instrument for measuring the speed of wind Calliper                                                 – Instrument for measuring distances Electrodynamometer                            – Instrument for measuring current, voltage or power in both AC & DC circuits. Photometer                                          – Device for comparing intensity of sources of light Rectifier                                               – Device for comparing AC & DC Solar cell                                              – Cell that converts solar energy into electrical energy   Voltmeter                                             – Instrument for measuring voltage o potential difference between two points. Wavemeter                                           – Instrument for measuring the wave length of a radiowave Galvanometer                                       – Instrument for measuring or detecting small current. Ammeter                                             – Meter used to measure electric current hydrometer                                         – Instrument used for measuring the density or relative density of liquids. Lactometer                                         – Measure the density of milk. Barometer                                          – Measure the atmospheric pressure Barograph                                          – Used to record the accurate atmospheric pressure. Accumulator                                       – Device used to store the energy. Hydraulic intensifier                           – Used to increase the intensity of pressure of water by means of hydraulic energy                                                                 available from a large amount of water at a low pressure.