Static error Static calibration Error calibration curve
Limiting errors Relative limiting errors Types of errors: Gross Errors Systematic Errors Random
Errors; Propagation of Errors Static sensitivity Linearity
Hysteresis
Threshold
Dead Time
Resolution of instrument
loading effects
Introduction to measurement standards
Expression of
uncertainty
Accuracy
and Precision index.
02
Electrical and Magnetic Measurements:
7 Lectures
Introduction D’Arsonval galvanometer moving iron and
moving coil instruments Electrodynamometer Electrostatic Instruments Induction type energy
meter wattmeter. Determination of B-H curve and Hysteresis loop.
03
Resistance Measurements:
5 Lectures
Methods of measurement of low medium and high resistance
measurement of earth resistance localization of cable faults by Murray and Varley loop test.
04
Inductance and Capacitance Measurements:
6 Lectures
Measurement of inductance and capacitance by A.C.
Bridge methods Q-factor and dissipation factor. Sources of errors in bridge circuits shielding of
bridge elements Wagner Earthing Device.
05
Measurement of Power Factor and Frequency:
5 Lectures
Single phase and three phase electrodynamometer
type power factor meter. Moving iron power factor meters types of frequency meter mechanical
resonance type electrical resonance type Ratio meter type..
06
Potentiometers:
4 Lectures
Basic D.C. potentiometer circuit Modern form of D.C. potentiometer measurement
of voltage current Resistance and calibration of voltmeter and ammeter using D.C. potentiometer
volt ratio box A.C. potentiometers and their applications
07
Instrument Transformers:
6 Lectures
Introduction use of instrument transformers ratios basic constructional
features of C.T. and P.T. ratio and phase angle errors reduction of errors.