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Electrical Maintenance Measurements And Measuring Devices

In this post we are going to discusses the electrical measurements, such as units and standards of electrical measurement, and measurement of DC and AC current. The most commonly used instruments for providing an analog indication of direct or alternating current or voltage are the permanent magnet-moving coil, moving iron, and dynamometer instruments.

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Following this presentation, the electrician (or future electrician) will be able to

• Differentiate analogue and digital measuring devices
• Explain the different measuring principles, and the technologies used for analogue devices
• Explain the functioning of electronic/digital devices
• Differentiate the different electric values to be measured (U, I, R, Hz, etc.)
• Select the device to be used depending on the measurement to be carried out
• Differentiate RMS, average and continuous values, alternative components, continuous components, etc.
• Use the appropriate devices depending on the values to be measured (listed above)
• Use a multimeter ‘intelligently" (right span, right reading, etc.)
• Determine the methods for measuring the different D.C. and A.C. powers
• Read, identify and measure these powers and the power factor
• Explain the safety measures required to ensure that all measuring is "healthy"
• Make sure you use this document and apply the content carefully

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