Description

RADIOMETER

RADIOMETER:

It is a device for measuring the radiant flux of electromagnetic radiation. Generally, a radiometer is an infrared radiation detector or an ultraviolet detector. Microwave radiometers operate in the microwave wavelengths.

Specifications:

• For demonstrating the conversion of radiant energy into mechanical energy.
• Comprising a partly evacuated glass bulb of about 70 mm diameter with a fine pivot on which a rotor having a set of four mica vane arms is delicately balanced.
• Each mica vane has one side painted mat black with other side bright.
• On exposing to sunlight or sufficiently bright incandescent light source.
• The absorption of radiant energy by the blackened side of vanes sets up a temperature differential with respect to the bright sides.
• Mounted on a base.

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