Electrical Measuring Tools And Instruments Ppt

Measures current without physical connection curve tracer.

Electrical measuring tools and instruments ppt.

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 electrical measuring instruments chapter 1. It consists of a ribbon of cloth plastic fiber or glass. Measures the capacitance of a component current clamp.

Measuring tapes are used to measure length in metres and centimetres. Unit 9 measuring instruments reading an analog meter is similar to reading a speedometer or fuel gauge. Here i am describing the major concepts of electrical measuring instruments in detail. Classified as indicating recording integrating.

Electrical and electronics instruments n krishna prakash. Below is the list of measuring instruments used in electrical and electronic work. It is used by blacksmith and carpenters. However common usage calls both instruments rulers and the special name straight edge is used for an unmarked rule.

Multirange milliammeter 5 724. It is a common measuring tool. Before starting any electrical or electronics device installations or studying electrical practical we should know about the measurements and its measuring instruments. Electrical instruments ppt 1.

Essential requirement of indicating instruments 1. Ammeter an instrument used to measure the amount of electrical current intensity in a circuit. Unit 9 measuring instruments the voltmeter is designed to be connected directly across the source of power. Name purpose ammeter ampermeter measures current capacitance meter.

Spring control method ii gravity control method 3. Air friction damping ii. The first article based on the electrical measurement instrumentation emi. Its design allows for a measure of great length.

Damping torque or restoring torque i. 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. The unit of measure is ampere a.

Types applications introduction testing is an essential activity in the power utility industry. Eddy current damping 2. Measuring and testing instruments electrical. Milliammeter with shunt 4 724 1 02 03 fig.

Lecture on electrical measurement measuring instruments 2. Powerpoint ppt presentation free to view. Principles of meter operations electrical systems series 724 1 powerpoint masters 720724 1 01pp 724 1 01 01 fig.