Emissivity Measurement Apparatus

Technical Details
Parameter Details
Test plate & Reference plate size 160mm dia
Enclosure size 58 cm x 35 cm with one side of Perspex sheet
Heater - 200v, 400 watt,Nichrome wire type .Sandwiched between mica sheets.
Control panel comprising of Voltmeter 0 - 200 V, Ammeter – 0 – 2A
D.P.D.T. Selector switches for voltmeter & ammeter
Digital Temperature indicator 0-300°C with 10C least count. Using chromel alumel thermo- couples.
- Provided with cold junction compensation.
Range Of Experiment
  • Determination of emissivity of non black Surface.
  • Study of variation of emissivity