Measuring and testing instruments electrical.
Electrical measuring tools and instruments ppt.
Electrical and electronics instruments n krishna prakash.
Milliammeter with shunt 4 724 1 02 03 fig.
Measuring tapes are used to measure length in metres and centimetres.
Types applications introduction testing is an essential activity in the power utility industry.
Essential requirement of indicating instruments 1.
Below is the list of measuring instruments used in electrical and electronic work.
Principles of meter operations electrical systems series 724 1 powerpoint masters 720724 1 01pp 724 1 01 01 fig.
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.
The first article based on the electrical measurement instrumentation emi.
Powerpoint ppt presentation free to view.
Lecture on electrical measurement measuring instruments 2.
Measures the capacitance of a component current clamp.
It is a common measuring tool.
It consists of a ribbon of cloth plastic fiber or glass.
Electrical measuring instruments electrical measuring instruments chapter 1.
Unit 9 measuring instruments basic d arsonval meter movement with rectifier to change ac voltage to dc voltage.
Unit 9 measuring instruments reading an analog meter is similar to reading a speedometer or fuel gauge.
Multirange milliammeter 5 724.
Air friction damping ii.
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.
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.
Measures current without physical connection curve tracer.
It is used by blacksmith and carpenters.
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.
Spring control method ii gravity control method 3.
Damping torque or restoring torque i.
Three common symbols for ammeters 3 724 1 02 02 fig.
Its design allows for a measure of great length.
The unit of measure is ampere a.
Classified as indicating recording integrating.
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.
Ammeter an instrument used to measure the amount of electrical current intensity in a circuit.
Pull push rule a measuring tool used to measure the length of an object in centimeter and inches.
