Electrical Measuring Tools And Instruments Ppt

Types applications introduction testing is an essential activity in the power utility industry.

Electrical measuring tools and instruments ppt. It consists of a ribbon of cloth plastic fiber or glass. Electrical measuring instruments electrical measuring instruments chapter 1. Multirange milliammeter 5 724. However common usage calls both instruments rulers and the special name straight edge is used for an unmarked rule.

Its design allows for a measure of great length. Below is the list of measuring instruments used in electrical and electronic work. Ammeter an instrument used to measure the amount of electrical current intensity in a circuit. Classification classified based upon the quantity they measure ammeter voltmeter classified according to the current that can be measured by them dc ac classified according to the effects used for working.

Unit 9 measuring instruments basic d arsonval meter movement with rectifier to change ac voltage to dc voltage. Unit 9 measuring instruments reading an analog meter is similar to reading a speedometer or fuel gauge. The unit of measure is ampere a. It is a common measuring tool.

Lecture on electrical measurement measuring instruments 2. It is used by blacksmith and carpenters. The first article based on the electrical measurement instrumentation emi. Powerpoint ppt presentation free to view.

Milliammeter with shunt 4 724 1 02 03 fig. Measures current without physical connection curve tracer. Electrical and electronics instruments n krishna prakash. Essential requirement of indicating instruments 1.

Measures the capacitance of a component current clamp. Spring control method ii gravity control method 3. Electrical instruments ppt 1. Three common symbols for ammeters 3 724 1 02 02 fig.

Unit 9 measuring instruments the voltmeter is designed to be connected directly across the source of power. Before starting any electrical or electronics device installations or studying electrical practical we should know about the measurements and its measuring instruments. Air friction damping ii. Here i am describing the major concepts of electrical measuring instruments in detail.

Electrical measuring instruments 1 electrical measuring instruments chapter 2 ammeters voltmeters and wattmeters electrical systems series 724 1 powerpoint masters 720724 1 02pp 2 724 1 02 01 fig. Pull push rule a measuring tool used to measure the length of an object in centimeter and inches. Measuring and testing instruments electrical. Classified as indicating recording integrating.

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. Name purpose ammeter ampermeter measures current capacitance meter. Principles of meter operations electrical systems series 724 1 powerpoint masters 720724 1 01pp 724 1 01 01 fig.