Electrical Measuring Instruments Ppt Free Download
Ruler 1 a ruler is used to measure lengths from a few cm up to 1 m.
Electrical measuring instruments ppt free download. A ensure that the object is in contact with the ruler to avoid inaccurate readings. Classic electrical measurements 73 3 1. Electrical measuring instruments electrical measuring instruments chapter 1. Powerpoint ppt presentation free to view.
This machine may be manually controlled by an operator or it may be computer controlled. Classification absolute and secondary instruments indicating instruments. Powerpoint ppt presentation free to view. Air friction damping ii.
Meters double element and three element dynamometer wattmeter errors and compensations measurement of. Indicating measuring instruments 73 3 1 1 electromechanical instruments versus digital. The standards of electrical quantities referred to the physical phenomena and laws 58 2 3 3. 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.
Global coordinate measuring machine cmm market by manufacturers regions type and application fo a coordinate measuring machine cmm is a device for measuring the physical geometrical characteristics of an object. B avoid parallax errors. Principles of meter operations electrical systems series 724 1 powerpoint masters 720724 1 01pp 724 1 01 01 fig. Here you can download the free lecture notes of electrical measurements pdf notes em pdf notes materials with multiple file links.
Electrical instruments ppt 1. Principles of meter operations electrical systems series 724 1 powerpoint masters 720724 1 01pp 724 1 01 01 fig. Ruler parallax errors in measurement. Material standards of electrical quantities 63 2 3 4.
Essential requirement of indicating instruments 1. Spring control method ii gravity control method 3. Unit 9 measuring instruments basic d arsonval meter movement with rectifier to change ac voltage to dc voltage. Electrical and electronics instruments n krishna prakash.
Damping torque or restoring torque i. Ruler 2 precautions to be taken when using a ruler. Unit 9 measuring instruments reading an analog meter is similar to reading a speedometer or fuel gauge. The electrical measurements notes pdf em notes pdf book starts with the topics covering control and damping torques design considerations type of p f.
A metre rule has an accuracy of 0 1 cm i e. Electrical measuring instruments electrical measuring instruments chapter 1. Eddy current damping 2. Lecture on electrical measurement measuring instruments 2.
Class notes on electrical measurements instrumentation 2015 3 syllabus electrical measurements instrumentation 3 1 0 module i 10 hours measuring instruments.