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.

Ruler 2 precautions to be taken when using a ruler. Air friction damping ii. A metre rule has an accuracy of 0 1 cm i e. Eddy current damping 2.

Material standards of electrical quantities 63 2 3 4. Damping torque or restoring torque i. This machine may be manually controlled by an operator or it may be computer controlled. B avoid parallax errors.

Classified as indicating recording integrating. Indicating measuring instruments 73 3 1 1 electromechanical instruments versus digital. Class notes on electrical measurements instrumentation 2015 3 syllabus electrical measurements instrumentation 3 1 0 module i 10 hours measuring instruments. Classic electrical measurements 73 3 1.

Electrical and electronics instruments n krishna prakash. Classification absolute and secondary instruments indicating instruments. The reference multimeters and calibrators 69 references 71 3. Unit 9 measuring instruments the voltmeter is designed to be connected directly across the source of power.

Here you can download the free lecture notes of electrical measurements pdf notes em pdf notes materials with multiple file links. Unit 9 measuring instruments basic d arsonval meter movement with rectifier to change ac voltage to dc voltage. A ensure that the object is in contact with the ruler to avoid inaccurate readings. Principles of meter operations electrical systems series 724 1 powerpoint masters 720724 1 01pp 724 1 01 01 fig.

Unit 9 measuring instruments reading an analog meter is similar to reading a speedometer or fuel gauge. Electrical measuring instruments electrical measuring instruments chapter 1. Meters double element and three element dynamometer wattmeter errors and compensations measurement of. The standards of electrical quantities referred to the physical phenomena and laws 58 2 3 3.

Electrical measuring instruments electrical measuring instruments chapter 1. The electrical measurements notes pdf em notes pdf book starts with the topics covering control and damping torques design considerations type of p f. Electrical instruments ppt 1. Spring control method ii gravity control method 3.

Principles of meter operations electrical systems series 724 1 powerpoint masters 720724 1 01pp 724 1 01 01 fig. Powerpoint ppt presentation free to view. 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. Essential requirement of indicating instruments 1.

Lecture on electrical measurement measuring instruments 2.