Types of instruments

Types of instruments

Indicating
Recording

Integrating







Types of Instruments

Permanent magnet moving coil (PMMC).

Moving Iron

Electro-dynamometer type.

Hot wire type.

Thermocouple type.

Induction type.

Electrostatic type.

Rectifier type.

Operating Torques

Deflecting Torque.

Controlling Torque.

Damping Torque.

Supporting the moving element

Suspension 

Taut Suspension

Pivot and jewel bearings.

Hall Effects

Operating Forces

Deflecting Force.

Controlling Force.

Damping Force.

Control Systems

Gravity Control.

Spring Control

Supporting the moving element

Suspension 

Taut Suspension

Pivot and jewel bearings