Basic Electronics and Electrical Engineering: Chapter 6: Measurement and Instrumentation
Types of Instruments
The various types of instruments are used as ammeters, voltmeters, wattmeter and Energy meters are given below.
TYPES
OF INSTRUMENTS
The various types of
instruments are used as ammeters, voltmeters, wattmeter and Energy meters are
given below.
Ammeters and Voltmeters
1. Moving coil type
(a) Permanent Magnet moving
coil (PMMC) type for (for DC only)
(b) Electro‒dynamic
(or), dynamometer type (for DC/AC).
2. Moving iron type
(both for DC and AC)
(a) Attraction type
(b) Repulsion type
3. Hot‒wire type (for
DC/AC)
4. Induction type (for
AC only)
(a) Split‒phase winding
type
(b) Shaded ‒ pole type
5. Electro‒static type
[for voltmeters only, DC/AC]
Wattmeters
1. Dynamometer type
(for DC/AC)
2. Induction type (for
AC only)
Energy Meters
1. Electrolytic type
(for AC only)
2. Motor meters
(a) Mercury motor
meter. [for DC only]
(b) Induction type [for
AC only]
Basic Electronics and Electrical Engineering: Chapter 6: Measurement and Instrumentation : Tag: Basic Engineering : - Types of Instruments
Basic Electronics and Electrical Engineering: Chapter 6: Measurement and Instrumentation
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Basic Electronics and Electrical Engineering
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