Electricity is one of man's greatest inventions as it has transformed the ordinary world into a digital world. Without electricity every activity of humans will be crippled and the whole world will come to a standstill. This is because man is now completely dependent on a power source to power innumerable things, be it for his personal benefit or the benefit of a community. Before the invention of electricity, people relied on the natural energies to take care of their needs. Heat energy was produced through fires which enabled man to cook food, for light various lamps were used. This scenario has completely changed with the invention of electricity.
Today man is able to work both day and night, thanks to the various electrical equipments present like electrical lamps, coolers, heaters and what not. Today man is even able to cook using electricity. One of the major applications of electricity is its ability to support the functioning of computers. These complex machines are able to run and give us solutions for innumerous problems with the help of electricity. Though there are several uses of electricity, it is a highly destructive force which when used without caution can cause damage to the equipments or those who are handling it. Every electrical device works at a particular voltage. Anything more or less to the required amount of electric current, the device could possibly be damaged as the fluctuation can damage the electrical components of the device. This is why whenever a problem occurs in the electrical equipments; a multimeter is used to check the voltage and resistance of a component. It could be even wires, electrical sockets, etc. With the exact data present with the help of the multimeter, faults can be easily identified and rectified without much hassle. There are also clamp meters which are connected to different phases to measure the electrical energy.
Before the digital age was upon us, multimeters were in the analog format. This multimeter had a needle which ran along readings when it encountered electrical power and showed exactly how much current is flowing. These types of multimeters were used even in the 1920s. At that time there was not much development in the electronic devices and only the rich were known to be living in the luxury of electrical lamps and other facilities. Even with all the sophistication only a handful of electrical devices were being used at that time. Today, there are so many electrical devices being developed and created every day that it is literally not an easy task to count the different types of devices being used by people. All these devices need accurate input voltage and the right power to function else the device can malfunction. Digital multimeters greatly help in a scenario like this and help to create and repair electrical devices without much difficulty. There are different models of multimeter available in the market according to the needs of the electricians and also compatible with various electrical devices.
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Multimeter- A Brief Overview