Electrical Measuring Instruments Ppt

Class notes on electrical measurements instrumentation 2015 3 syllabus electrical measurements instrumentation 3 1 0 module i 10 hours measuring instruments.

Electrical measuring instruments ppt.

Before starting any electrical or electronics device installations or studying electrical practical we should know about the measurements and its measuring instruments. The first article based on the electrical measurement instrumentation emi. Unit 9 measuring instruments the voltmeter is designed to be connected directly across the source of power. Electrical instruments ppt 1.

Introduction an electronic measuring instruments called meter. The reference multimeters and calibrators 69 references 71 3. Material standards of electrical quantities 63 2 3 4. Air friction damping ii.

Eddy current damping 2. Spring control method ii gravity control method 3. 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. The basic electronics testing equipments under this category include the following.

Classic electrical measurements 73 3 1. Principles of meter operations electrical systems series 724 1 powerpoint masters 720724 1 01pp 724 1 01 01 fig. Electrical measuring instruments 1. Electrical measuring instruments electrical measuring instruments chapter 1.

Indicating measuring instruments 73 3 1 1 electromechanical instruments versus digital measuring systems 73 3 1 2. The moving iron meters 81 3 1 4. Classification classified based upon the quantity they measure ammeter voltmeter classified according to the current that can be. Unit 9 measuring instruments reading an analog meter is similar to reading a speedometer or fuel gauge.

Lecture on electrical measurement measuring instruments 2. Here i am describing the major concepts of electrical measuring instruments in detail. Types of electronic testing equipments. Damping torque or restoring torque i.

Essential requirement of indicating instruments 1. The moving coil meters 74 3 1 3. Classification absolute and secondary instruments indicating instruments. That combines several measurements functions in one unit.

Measuring and testing instruments electrical. 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. Types applications introduction testing is an essential activity in the power utility industry. 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.