Electrical Measuring Tools And Instruments Ppt

Multirange milliammeter 5 724.

Electrical measuring tools and instruments ppt.

It is used by blacksmith and carpenters. Three common symbols for ammeters 3 724 1 02 02 fig. Ammeter an instrument used to measure the amount of electrical current intensity in a circuit. Eddy current damping 2.

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. Unit 9 measuring instruments basic d arsonval meter movement with rectifier to change ac voltage to dc voltage. It is a common measuring tool.

Measuring and testing instruments electrical. Classified as indicating recording integrating. Electrical measuring instruments electrical measuring instruments chapter 1. Here i am describing the major concepts of electrical measuring instruments in detail.

Measures current without physical connection curve tracer. It consists of a ribbon of cloth plastic fiber or glass. Spring control method ii gravity control method 3. Pull push rule a measuring tool used to measure the length of an object in centimeter and inches.

Air friction damping ii. The first article based on the electrical measurement instrumentation emi. Lecture on electrical measurement measuring instruments 2. Damping torque or restoring torque i.

However common usage calls both instruments rulers and the special name straight edge is used for an unmarked rule. Unit 9 measuring instruments the voltmeter is designed to be connected directly across the source of power. Measuring tapes are used to measure length in metres and centimetres. Electrical instruments ppt 1.

Milliammeter with shunt 4 724 1 02 03 fig. Below is the list of measuring instruments used in electrical and electronic work. The unit of measure is ampere a. Measures the capacitance of a component current clamp.

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. 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. Essential requirement of indicating instruments 1. Before starting any electrical or electronics device installations or studying electrical practical we should know about the measurements and its measuring instruments.

Powerpoint ppt presentation free to view. Types applications introduction testing is an essential activity in the power utility industry. 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.