Electrical Measuring Instruments Ppt Free Download

Principles of meter operations electrical systems series 724 1 powerpoint masters 720724 1 01pp 724 1 01 01 fig.

Electrical measuring instruments ppt free download.

Powerpoint ppt presentation free to view. The reference multimeters and calibrators 69 references 71 3. Meters double element and three element dynamometer wattmeter errors and compensations measurement of. Unit 9 measuring instruments reading an analog meter is similar to reading a speedometer or fuel gauge.

Ruler 2 precautions to be taken when using a ruler. The electrical measurements notes pdf em notes pdf book starts with the topics covering control and damping torques design considerations type of p f. Material standards of electrical quantities 63 2 3 4. Electrical and electronics instruments n krishna prakash.

Indicating measuring instruments 73 3 1 1 electromechanical instruments versus digital. Unit 9 measuring instruments the voltmeter is designed to be connected directly across the source of power. Electrical measuring instruments electrical measuring instruments chapter 1. Electrical measuring instruments electrical measuring instruments chapter 1.

Classified as indicating recording integrating. Ruler 1 a ruler is used to measure lengths from a few cm up to 1 m. A metre rule has an accuracy of 0 1 cm i e. Essential requirement of indicating instruments 1.

B avoid parallax errors. 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. Spring control method ii gravity control method 3. This machine may be manually controlled by an operator or it may be computer controlled.

Damping torque or restoring torque i. Ruler parallax errors in measurement. Eddy current damping 2. Here you can download the free lecture notes of electrical measurements pdf notes em pdf notes materials with multiple file links.

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. Classification absolute and secondary instruments indicating instruments. 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.

Powerpoint ppt presentation free to view. The standards of electrical quantities referred to the physical phenomena and laws 58 2 3 3. Electrical instruments ppt 1. Unit 9 measuring instruments basic d arsonval meter movement with rectifier to change ac voltage to dc voltage.

Air friction damping ii.