Electrical Measuring Tools And Instruments Ppt

Here i am describing the major concepts of electrical measuring instruments in detail.

Electrical measuring tools and instruments ppt.

Multirange milliammeter 5 724. 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. Lecture on electrical measurement measuring instruments 2. It consists of a ribbon of cloth plastic fiber or glass.

It is used by blacksmith and carpenters. Its design allows for a measure of great length. Measures the capacitance of a component current clamp. Ammeter an instrument used to measure the amount of electrical current intensity in a circuit.

Measuring tapes are used to measure length in metres and centimetres. Measures current without physical connection curve tracer. Unit 9 measuring instruments basic d arsonval meter movement with rectifier to change ac voltage to dc voltage. Essential requirement of indicating instruments 1.

Air friction damping ii. Electrical measuring instruments electrical measuring instruments chapter 1. Measuring and testing instruments electrical. It is a common measuring tool.

Powerpoint ppt presentation free to view. Pull push rule a measuring tool used to measure the length of an object in centimeter and inches. Before starting any electrical or electronics device installations or studying electrical practical we should know about the measurements and its measuring instruments. 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.

Electrical instruments ppt 1. Unit 9 measuring instruments reading an analog meter is similar to reading a speedometer or fuel gauge. Principles of meter operations electrical systems series 724 1 powerpoint masters 720724 1 01pp 724 1 01 01 fig. Classified as indicating recording integrating.

Name purpose ammeter ampermeter measures current capacitance meter. Types applications introduction testing is an essential activity in the power utility industry. However common usage calls both instruments rulers and the special name straight edge is used for an unmarked rule. Below is the list of measuring instruments used in electrical and electronic work.

Three common symbols for ammeters 3 724 1 02 02 fig. Milliammeter with shunt 4 724 1 02 03 fig. Damping torque or restoring torque i. The unit of measure is ampere a.

The first article based on the electrical measurement instrumentation emi. Eddy current damping 2. Unit 9 measuring instruments the voltmeter is designed to be connected directly across the source of power.