Electrical Measuring Tools And Instruments Ppt

Measuring and testing instruments electrical.

Electrical measuring tools and instruments ppt.

The first article based on the electrical measurement instrumentation emi. Multirange milliammeter 5 724. It is a common measuring tool. Measures current without physical connection curve tracer.

Below is the list of measuring instruments used in electrical and electronic work. It consists of a ribbon of cloth plastic fiber or glass. Damping torque or restoring torque i. Air friction damping ii.

Unit 9 measuring instruments the voltmeter is designed to be connected directly across the source of power. Eddy current damping 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.

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. Measures the capacitance of a component current clamp. Here i am describing the major concepts of electrical measuring instruments in detail. Lecture on electrical measurement measuring instruments 2.

However common usage calls both instruments rulers and the special name straight edge is used for an unmarked rule. Electrical measuring instruments electrical measuring instruments chapter 1. Name purpose ammeter ampermeter measures current capacitance meter. Milliammeter with shunt 4 724 1 02 03 fig.

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. Classified as indicating recording integrating. Measuring tapes are used to measure length in metres and centimetres. The unit of measure is ampere a.

Electrical instruments ppt 1. Three common symbols for ammeters 3 724 1 02 02 fig. Electrical and electronics instruments n krishna prakash. Pull push rule a measuring tool used to measure the length of an object in centimeter and inches.

Unit 9 measuring instruments basic d arsonval meter movement with rectifier to change ac voltage to dc voltage. Before starting any electrical or electronics device installations or studying electrical practical we should know about the measurements and its measuring instruments. Spring control method ii gravity control method 3. Unit 9 measuring instruments reading an analog meter is similar to reading a speedometer or fuel gauge.

It is used by blacksmith and carpenters. Essential requirement of indicating instruments 1. Types applications introduction testing is an essential activity in the power utility industry.