Electrical Measuring Tools And Instruments Ppt

Lecture on electrical measurement measuring instruments 2.

Electrical measuring tools and instruments ppt.

However common usage calls both instruments rulers and the special name straight edge is used for an unmarked rule. It is a common measuring tool. Three common symbols for ammeters 3 724 1 02 02 fig. Classified as indicating recording integrating.

It is used by blacksmith and carpenters. Spring control method ii gravity control method 3. Name purpose ammeter ampermeter measures current capacitance meter. Before starting any electrical or electronics device installations or studying electrical practical we should know about the measurements and its measuring instruments.

Types applications introduction testing is an essential activity in the power utility industry. Essential requirement of indicating instruments 1. Measures current without physical connection curve tracer. Measures the capacitance of a component current clamp.

Electrical instruments ppt 1. Below is the list of measuring instruments used in electrical and electronic work. 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. Multirange milliammeter 5 724.

Air friction damping ii. Powerpoint ppt presentation free to view. Its design allows for a measure of great length. 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.

Principles of meter operations electrical systems series 724 1 powerpoint masters 720724 1 01pp 724 1 01 01 fig. Eddy current damping 2. 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. Electrical and electronics instruments n krishna prakash.

Unit 9 measuring instruments the voltmeter is designed to be connected directly across the source of power. Here i am describing the major concepts of electrical measuring instruments in detail. The unit of measure is ampere a. Electrical measuring instruments electrical measuring instruments chapter 1.

Milliammeter with shunt 4 724 1 02 03 fig. Pull push rule a measuring tool used to measure the length of an object in centimeter and inches. Measuring and testing instruments electrical. Measuring tapes are used to measure length in metres and centimetres.

Unit 9 measuring instruments basic d arsonval meter movement with rectifier to change ac voltage to dc voltage. It consists of a ribbon of cloth plastic fiber or glass. Damping torque or restoring torque i.