Electrical Measuring Tools And Instruments Ppt

Principles of meter operations electrical systems series 724 1 powerpoint masters 720724 1 01pp 724 1 01 01 fig.

Electrical measuring tools and instruments ppt.

Pull push rule a measuring tool used to measure the length of an object in centimeter and inches. 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. Name purpose ammeter ampermeter measures current capacitance meter. Eddy current damping 2.

Unit 9 measuring instruments the voltmeter is designed to be connected directly across the source of power. Electrical measuring instruments electrical measuring instruments chapter 1. Multirange milliammeter 5 724. Essential requirement of indicating instruments 1.

Unit 9 measuring instruments basic d arsonval meter movement with rectifier to change ac voltage to dc voltage. 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 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. The first article based on the electrical measurement instrumentation emi.

Classified as indicating recording integrating. It is used by blacksmith and carpenters. The unit of measure is ampere a. Electrical and electronics instruments n krishna prakash.

Three common symbols for ammeters 3 724 1 02 02 fig. Powerpoint ppt presentation free to view. It consists of a ribbon of cloth plastic fiber or glass. Damping torque or restoring torque i.

Ammeter an instrument used to measure the amount of electrical current intensity in a circuit. Before starting any electrical or electronics device installations or studying electrical practical we should know about the measurements and its measuring instruments. Measures current without physical connection curve tracer. Measures the capacitance of a component current clamp.

Here i am describing the major concepts of electrical measuring instruments in detail. Electrical instruments ppt 1. Lecture on electrical measurement measuring instruments 2. Below is the list of measuring instruments used in electrical and electronic work.

Types applications introduction testing is an essential activity in the power utility industry. Measuring tapes are used to measure length in metres and centimetres. However common usage calls both instruments rulers and the special name straight edge is used for an unmarked rule. Measuring and testing instruments electrical.

Milliammeter with shunt 4 724 1 02 03 fig. Spring control method ii gravity control method 3. Its design allows for a measure of great length.