.

The apparatus is used to measure the emissivity of a metal.

Experimental Setup consisting of:

• Test plate: Polished aluminum of dia 125mm
• Reference plate: Black aluminum of dia 125mm
• Wooden chamber with Perspex cover.
• Mica-insulated heaters for black and polished body.
• Set of Thermocouple - 3 Nos.

Control Panel consisting of:

• 3 Channels Digital Temp. Indicator range: 0-300oC
• Dimmerstat - 2 Nos. of 0-2A / 230V
• Mains ON/OFF switch
• Digital Voltmeter 0-250V
• Digital Ammeter 0-2 A