Electrical Measuring Instruments Ppt Free Download

Electrical measuring instruments electrical measuring instruments chapter 1.

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. Classification absolute and secondary instruments indicating instruments. 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. Ruler 1 a ruler is used to measure lengths from a few cm up to 1 m.

The electrical measurements notes pdf em notes pdf book starts with the topics covering control and damping torques design considerations type of p f. Essential requirement of indicating instruments 1. This machine may be manually controlled by an operator or it may be computer controlled. Indicating measuring instruments 73 3 1 1 electromechanical instruments versus digital.

Principles of meter operations electrical systems series 724 1 powerpoint masters 720724 1 01pp 724 1 01 01 fig. Air friction damping ii. Spring control method ii gravity control method 3. Classified as indicating recording integrating.

Here you can download the free lecture notes of electrical measurements pdf notes em pdf notes materials with multiple file links. Powerpoint ppt presentation free to view. Unit 9 measuring instruments the voltmeter is designed to be connected directly across the source of power. B avoid parallax errors.

Damping torque or restoring torque i. Ruler parallax errors in measurement. Electrical measuring instruments electrical measuring instruments chapter 1. The reference multimeters and calibrators 69 references 71 3.

Classic electrical measurements 73 3 1. The standards of electrical quantities referred to the physical phenomena and laws 58 2 3 3. Unit 9 measuring instruments reading an analog meter is similar to reading a speedometer or fuel gauge. 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.

A metre rule has an accuracy of 0 1 cm i e. Ruler 2 precautions to be taken when using a ruler. Electrical and electronics instruments n krishna prakash. Meters double element and three element dynamometer wattmeter errors and compensations measurement of.

Eddy current damping 2. Unit 9 measuring instruments basic d arsonval meter movement with rectifier to change ac voltage to dc voltage. Lecture on electrical measurement measuring instruments 2. Electrical instruments ppt 1.

A ensure that the object is in contact with the ruler to avoid inaccurate readings.