Air friction damping ii.
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Class notes on electrical measurements instrumentation 2015 3 syllabus electrical measurements instrumentation 3 1 0 module i 10 hours measuring instruments.
Eddy current damping 2.
Meters double element and three element dynamometer wattmeter errors and compensations measurement of.
Ruler 2 precautions to be taken when using a ruler.
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Indicating measuring instruments 73 3 1 1 electromechanical instruments versus digital.
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Unit 9 measuring instruments reading an analog meter is similar to reading a speedometer or fuel gauge.
Classified as indicating recording integrating.
Ruler 1 a ruler is used to measure lengths from a few cm up to 1 m.
Ruler parallax errors in measurement.
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A ensure that the object is in contact with the ruler to avoid inaccurate readings.
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.
Unit 9 measuring instruments the voltmeter is designed to be connected directly across the source of power.
Spring control method ii gravity control method 3.
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Classification absolute and secondary instruments indicating instruments.
A metre rule has an accuracy of 0 1 cm i e.
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.
The electrical measurements notes pdf em notes pdf book starts with the topics covering control and damping torques design considerations type of p f.
This machine may be manually controlled by an operator or it may be computer controlled.
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B avoid parallax errors.
The standards of electrical quantities referred to the physical phenomena and laws 58 2 3 3.
Unit 9 measuring instruments basic d arsonval meter movement with rectifier to change ac voltage to dc voltage.
Damping torque or restoring torque i.
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Classic electrical measurements 73 3 1.
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