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What is Hot Wire Anemometer & Its Working

September 13, 2021 By WatElectronics

Hot Wire Anemometer

A hot wire anemometer is one kind of device, used to measure the speed and direction of the wind. These are used as wind speed instruments in the meteorology sector. In the 15th century, Leon Battista Alberti invented the first mechanical anemometer. After several modifications, John Thomas Romney Robinson in 1846, improved the design by using cups and mechanical wheels. Anemometers are classified into two types like pressure type and velocity type. The hot wire anemometers are the velocity … [Read more...]

What is Multimeter : Types, Working & Its Applications

July 23, 2021 By WatElectronics

Multimeter

A measuring device like a multimeter is an essential device in the field of electronics and electrical labs or workshops to measure the electrical properties of industrial wiring as well as tools. Before knowing about this device, some fundamental concepts we have to know like the voltage, current, and resistance. Here, voltage is the disparity in charge between the two points, the current is nothing but the flow of charge carriers and resistance is the measure of the current flow. At … [Read more...]

What is a Flux Meter : Construction & Its Working

June 20, 2021 By WatElectronics

Flux Meter

In electromagnetism, magnetic flux is defined as the number of magnetic lines of forces observed at the surface of a magnetic material. Magnetic flux is denoted with 'Φ'. The SI unit of magnetic flux is derived as volt-seconds, also known as Weber and Maxwell as CGS unit. To measure the amount of flux generated from a magnetic surface an instrument called 'Fluxmeter' is used. Fluxmeter consists of measuring coils placed between permanent magnets known as Helmholtz coil arrangement. The change in … [Read more...]

What is Optical Time-Domain Reflectometer & Its Working

May 14, 2021 By WatElectronics

Optical Time-Domain Reflectometer

For better communication to take place between two ends, there should be a proper transmission of information from one end to another. There has been a tremendous evolution of the communication systems to make the communication process faster, reliable, and safer. It has evolved from analog to digital, wired to wireless. One of the modes of communication that are highly used nowadays is Fiber Optic Communication. In this mode, using infrared ray pulses information is transmitted from one place … [Read more...]

What is Clamp Meter : Construction & Its Working

January 27, 2021 By WatElectronics

Clamping Device

The initial Clamp meter was invented by Amprobe in the year 1948 and he persisted to do more innovations and presented the device to the world. Amprobe presents multiple types of clamp meters where they range from rugged CAT IV ranked navigator series to the unique Swivel type of clamp meters and also mini clamp meters. The application of clamp meters can be found in many domains as because of their versatility and flexibility. So, this device has many uses. This article clearly shows the … [Read more...]

What is a Ballistic Galvanometer : Construction & Its Working

January 9, 2021 By WatElectronics

Ballistic Galvanometer

A ballistic galvanometer is an instrument, which is used to measure or indicates current in a closed circuit. The galvanometer also is known as the PMMC instrument, works on the principle of permanent magnet moving coil. The force is generated on the coil, due to Lorentz Force Law. Due to the interaction of fluxes, the pointer in the meter is deflected. Once the pointer is deflected, different torques are exerted on the pointer to make the pointer stop at its steady-state position. The different … [Read more...]

What is an Anemometer : Working & Its Applications

August 20, 2020 By WatElectronics

Anemometer

The first mechanical anemometer is invented by Leon Battista Alberti, who was an Italian artist and an architect in the year 1450. Later on, many changes are made and invented different types of anemometers to measure wind speed and pressure more accurately. The design and its working principle didn't change over hundreds of years. It is a meteorological device that can estimate whether conditions. These are used in many applications like monitoring the weather conditions, measure the air … [Read more...]

What is a Bolometer : Working & Its Applications

August 17, 2020 By WatElectronics

Bolometer

In 1878, Samuel Pierpont Langley, an American astronomer invented a sensitive instrument to detect heat and electromagnetic radiation. This instrument is called a Bolometer which is used to measure the low and medium power of microwave energy. In the 1880s, Langley's Bolometer was invented for the detection of thermal radiation. It can measure the power of electromagnetic radiation by using heating material and temperature resistive element. The Bolometers are very sensitive, efficient, better … [Read more...]

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