EMISSIVITY MEASUREMENT APPARATUS

Product Description

Description

The present Set-up is designed to measure the emissivity oftest plate.

The test plate comprises of a mica heater sandwiched betweentwo circular plates.

Black plate is identical with test plate, but its surface isblackened.

As all the physical properties, dimension and temperatureare equal heat losses from both plates will be same except radiation loss.

Hence the input difference will be due to difference inemissivity.

Both plates are supported on individual brackets in aenclosure with one side glass to ensure steady atmospheric conditions.

Temperature Sensors are provided to measure the temperatureof each plate and surrounding.

Electric Supply is given to heaters through separate variacsso that temperatures of both can be kept equal and is me asured with DigitalVoltmeter and Digital Ammeter.

Product Description

Material: Cast Iron

Brand: Teknik

Frequency: 50 Hz