Electrical Measuring Instruments Ppt

A basic electronics device or instrument used to measure voltage or electrical potential difference between two points in electrical circuits is known as voltmeter there are two types of voltmeters.

Electrical measuring instruments ppt.

The moving iron meters 81 3 1 4. Unit 9 measuring instruments reading an analog meter is similar to reading a speedometer or fuel gauge. Classification absolute and secondary instruments indicating instruments. Material standards of electrical quantities 63 2 3 4.

Unit 9 measuring instruments the voltmeter is designed to be connected directly across the source of power. Classification classified based upon the quantity they measure ammeter voltmeter classified according to the current that can be. Electrical measuring instruments electrical measuring instruments chapter 1. Here i am describing the major concepts of electrical measuring instruments in detail.

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The moving coil meters 74 3 1 3. Eddy current damping 2. Before starting any electrical or electronics device installations or studying electrical practical we should know about the measurements and its measuring instruments. Principles of meter operations electrical systems series 724 1 powerpoint masters 720724 1 01pp 724 1 01 01 fig.

Air friction damping ii. Electrical instruments ppt 1. That combines several measurements functions in one unit. Whatever your role in the industry electrical designer purchase engineer manufacturer installation contractor technician or maintenance engineer a solid knowledge of electrical tests to be carried out on a given piece of hv and mv electrical.

The reference multimeters and calibrators 69 references 71 3. Class notes on electrical measurements instrumentation 2015 3 syllabus electrical measurements instrumentation 3 1 0 module i 10 hours measuring instruments. Electrical measuring instruments 1. Introduction an electronic measuring instruments called meter.

Electrical and electronics instruments n krishna prakash analog instruments an analog device is one in which the output or display is a continuous function of time and bears a constant relation to its input. Indicating measuring instruments 73 3 1 1 electromechanical instruments versus digital measuring systems 73 3 1 2. The first article based on the electrical measurement instrumentation emi. Types applications introduction testing is an essential activity in the power utility industry.

The basic electronics testing equipments under this category include the following. Essential requirement of indicating instruments 1. Lecture on electrical measurement measuring instruments 2. Measuring and testing instruments electrical.