PCEET205
MEASUREMENTS AND
INSTRUMENTATION
1
,MODULE 2
Magnetic Measurement- Flux Meter, Determination of B-H Curve -
Hysteresis Loop (Method of Reversal).
Measurement of Resistance-Wheatstone’s Bridge, Kelvin’s Double Bridge
(Simple Problems), Loss of Charge Method, Measurement of Earth Resistance.
Measurement of Inductance- Maxwell's Inductance Bridge,
Measurement of Capacitance - Schering's Bridge,
Measurement of Frequency- Wien Bridge
(Include Simple Problems)
Q-meter, LCR Meters (Description only)
2
,Requirement of Magnetic Measurements
♦ I. The measurement of magnetic field strength in air
♦ II. The determination of B-H curve and hysteresis loop for soft ferro-
magnetic materials.
♦ III. The determination of eddy current and hysteresis losses of soft
ferromagnetic materials to alternating magnetic fields.
♦ IV. The testing of permanent magnets.
3
, WORKING (Contd)
4
MEASUREMENTS AND
INSTRUMENTATION
1
,MODULE 2
Magnetic Measurement- Flux Meter, Determination of B-H Curve -
Hysteresis Loop (Method of Reversal).
Measurement of Resistance-Wheatstone’s Bridge, Kelvin’s Double Bridge
(Simple Problems), Loss of Charge Method, Measurement of Earth Resistance.
Measurement of Inductance- Maxwell's Inductance Bridge,
Measurement of Capacitance - Schering's Bridge,
Measurement of Frequency- Wien Bridge
(Include Simple Problems)
Q-meter, LCR Meters (Description only)
2
,Requirement of Magnetic Measurements
♦ I. The measurement of magnetic field strength in air
♦ II. The determination of B-H curve and hysteresis loop for soft ferro-
magnetic materials.
♦ III. The determination of eddy current and hysteresis losses of soft
ferromagnetic materials to alternating magnetic fields.
♦ IV. The testing of permanent magnets.
3
, WORKING (Contd)
4