List Of Electrical And Electronic Measuring Equipment Pdf


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16.05.2021 at 22:36
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list of electrical and electronic measuring equipment pdf

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The instruments used to measure any quantity are known as measuring instruments. If the instruments can measure the basic electrical quantities, such as voltage and current are known as basic measuring instruments. As the name suggests, voltmeter is a measuring instrument which measures the voltage across any two points of an electric circuit.

Electrical instruments are instruments that use the mechanical movement of electromagnetic meter to measure voltage, power, current… Electrical technicians require electrical measurement equipment to check the electrical activity and to detect the presence of voltage or current. By using this instrument we can measure electrical parameters such as voltage, frequency, current, power factor, and resistance. Electrical measurements are depended upon either current or voltage while measuring the frequency we will be measuring the frequency of a current signal or a voltage signal.

electrical measurements and measuring instruments lab manual pdf

Ammeters are always connected in series with the circuit to be tested. It is obtained by multiplying the current in amperes by the time in hours during which current flows. For example, a battery which provides 5 amperes for 20 hours is said to deliver ampere - hours. One ampere is equal to a current flow of one coulomb per second. Apparent power is the product of the rms voltage and the rms current.

Facebook Twitter. An analog instrument is one in which the output or display is a continuous function of time and bears a constant relation to its input. Analog instruments find extensive use in present day applications although digital instruments are increasing in number and applications. The areas of application which are common to both analog and digital instruments are fairly limited at present. Hence, it can safely be predicted that the analog instruments will remain in extensive use for a number of years and are not likely to be completely replaced by digital instruments for certain applications. Broadly, the analog instruments and for that matter digital instruments may be classified according to the quantity they measure. For example, an instrument meant for measurement of current is classified as an Ammeter while an instrument that measures voltage is classified as a Voltmeter.

List of electrical and electronic measuring equipment

The book is divided into two parts that explain the topics Measurements and Instrumentation. It is essential for students specializing in Electrical and Electronic engineering. The reason is the electronic devices divert your attention and also cause strains while reading eBooks. Dhanpat Rai Publications is a publishing company that was established in Since then, they have come a long way in making a good impression in the field of publication.

Electronic Measuring Instruments

Here, I am describing the major concepts of electrical measuring instruments in detail. Before starting any electrical or electronics device installations or studying electrical practical, we should know about the measurements and its measuring instruments. This basic knowledge will help you throughout your electrical and electronics engineering. Ammeter, Voltmeter, Ohmmeter, and wattmeter are the example of the electrical measuring instrument.

To measure these parameters require instruments, and these instruments are described in this section. Some of the meters in automobile dashboards, digital cameras, cell phones, and tuner-amplifiers are actually voltmeters or ammeters Figure 6. The internal construction of the simplest of these meters and how they are connected to the system they monitor give further insight into applications of series and parallel connections. Figure 6.

Electrical instruments and classification of electrical measuring instruments

Absolute Instrument

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Analog Instruments | Classification of Analog Instruments

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Electrical and Electronics Measurements and Instrumentation

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