Electrical Measuring Instruments Ppt Free Download

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

Electrical measuring instruments ppt free download.

Damping torque or restoring torque i. Electrical measuring instruments electrical measuring instruments chapter 1. Electrical and electronics instruments n krishna prakash. Unit 9 measuring instruments the voltmeter is designed to be connected directly across the source of power.

Essential requirement of indicating instruments 1. A metre rule has an accuracy of 0 1 cm i e. Classified as indicating recording integrating. Unit 9 measuring instruments basic d arsonval meter movement with rectifier to change ac voltage to dc voltage.

Spring control method ii gravity control method 3. Powerpoint ppt presentation free to view. Electrical instruments ppt 1. Material standards of electrical quantities 63 2 3 4.

The reference multimeters and calibrators 69 references 71 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. Air friction damping ii. Classification absolute and secondary instruments indicating instruments.

Here you can download the free lecture notes of electrical measurements pdf notes em pdf notes materials with multiple file links. A ensure that the object is in contact with the ruler to avoid inaccurate readings. Eddy current damping 2. Ruler parallax errors in measurement.

Classic electrical measurements 73 3 1. B avoid parallax errors. This machine may be manually controlled by an operator or it may be computer controlled. Principles of meter operations electrical systems series 724 1 powerpoint masters 720724 1 01pp 724 1 01 01 fig.

The standards of electrical quantities referred to the physical phenomena and laws 58 2 3 3. Class notes on electrical measurements instrumentation 2015 3 syllabus electrical measurements instrumentation 3 1 0 module i 10 hours measuring instruments. Principles of meter operations electrical systems series 724 1 powerpoint masters 720724 1 01pp 724 1 01 01 fig. Indicating measuring instruments 73 3 1 1 electromechanical instruments versus digital.

Powerpoint ppt presentation free to view. Electrical measuring instruments electrical measuring instruments chapter 1. 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.

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.