Analog Galvanometer -300 to 300 uA

Analog Galvanometer for Physic Laboratory Use in Bangladesh, This Meter Measuring Range: -300 ~ 300uA, 3 Working Pole, Black Body, and white monitor suitable for school and college education. Labtex is a supplier and wholesaler of Analog Galvanometer in Bangladesh.

Discussion About Analog Galvanometer

An analog galvanometer is an instrument used to detect and measure small electric currents. It works based on the principle that a current-carrying coil placed in a magnetic field experiences a torque that causes it to rotate. Here are the key components and concepts related to an analog galvanometer:

Components of an Analog Galvanometer:

1. Coil: A loop or coil of wire through which the current flows.
2. Magnetic Field: Typically provided by permanent magnets, creating a magnetic field in which the coil rotates.
3. Pointer and Scale: A needle or pointer attached to the coil, which moves over a calibrated scale to indicate the amount of current.
4. Damping Mechanism: Usually made of air or fluid, this slows the movement of the pointer to prevent oscillations and allows for steady readings.

Working Principle:

• When an electric current flows through the coil, it generates a magnetic field that interacts with the external magnetic field.
• This interaction creates a torque that causes the coil (and thus the pointer) to rotate.
• The angle of rotation is proportional to the amount of current flowing through the coil, allowing for measurement.

General Applications of Analog Galvanometer:

• Current Measurement: Used in laboratories and educational settings to measure small currents.
• Calibration: Often used to calibrate other measuring instruments.
• Testing Equipment: Used in various electronic testing devices.

Advantages:

• Simple and effective for detecting small currents.
• Provides visual feedback through the movement of the pointer.

Limitations:

• Limited to low current measurements.
• Sensitivity can be affected by external magnetic fields and mechanical vibrations.
• Requires manual interpretation of the scale, making it less precise than digital instruments.

Analog galvanometers are valuable for understanding basic electrical principles and are often used in educational contexts to illustrate concepts of electromagnetism.