Question
Download Solution PDFWhat is a Megohmmeter used to measure?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFMegaohmmeter
A Megohmmeter, also known as a Megger, is used to measure high resistance values, typically in the megohm (MΩ) range. It is primarily used to test the insulation resistance of electrical components.
Measurement of resistance, inductance, and capacitance
|
Measurement of resistance |
High resistance |
Megger circuit, Loss of charge method |
|
Medium resistance |
Substitution method, Ohmmeter, Wheatstone bridge |
|
|
Low resistance |
Kelvin double bridge, Potentiometer, Ammeter-Voltmeter method |
|
|
Measurement of inductance |
High Q value |
Hay’s bridge |
|
Medium Q value |
Maxwell Inductance Capacitance bridge |
|
|
Low Q value |
Owen’s bridge, Anderson bridge |
|
|
Measurement of capacitance |
Lossy Capacitor |
Schering bridge |
|
Lossless Capacitor |
De-Sauty’s bridge |
|
|
Measurement of frequency |
|
Wien Bridge |
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