Electrical Measuring Instruments Ppt Free Download

Unit 9 measuring instruments reading an analog meter is similar to reading a speedometer or fuel gauge.

Electrical measuring instruments ppt free download. Class notes on electrical measurements instrumentation 2015 3 syllabus electrical measurements instrumentation 3 1 0 module i 10 hours measuring instruments. A metre rule has an accuracy of 0 1 cm i e. Classic electrical measurements 73 3 1. Electrical instruments ppt 1.

Eddy current damping 2. Electrical measuring instruments electrical measuring instruments chapter 1. B avoid parallax errors. Powerpoint ppt presentation free to view.

This machine may be manually controlled by an operator or it may be computer controlled. Classified as indicating recording integrating. 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 measuring instruments electrical measuring instruments chapter 1. Unit 9 measuring instruments the voltmeter is designed to be connected directly across the source of power. Ruler 2 precautions to be taken when using a ruler. The standards of electrical quantities referred to the physical phenomena and laws 58 2 3 3.

The reference multimeters and calibrators 69 references 71 3. Damping torque or restoring torque i. Spring control method ii gravity control method 3. Essential requirement of indicating instruments 1.

Ruler 1 a ruler is used to measure lengths from a few cm up to 1 m. Here you can download the free lecture notes of electrical measurements pdf notes em pdf notes materials with multiple file links. Ruler parallax errors in measurement. 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. 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 ensure that the object is in contact with the ruler to avoid inaccurate readings. Powerpoint ppt presentation free to view.

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. Electrical and electronics instruments n krishna prakash. Air friction damping ii.

Meters double element and three element dynamometer wattmeter errors and compensations measurement of.