Thermal Conductivity by Guarded Hot Plate

Technical Details

  • Central Heater – suitable capacity, with 100 mm dia. sandwiched between two copper plates
  • 180 mm mica heater Sandwiched between two copper plates Cooling chamber with water circulation arrangement.
  • Specimen –6 to 20 mm thick, 180 dia.
  • Glass wool bag insulation around the set-up
  • A Control Panel comprising of –
    • a) Voltmeter – 0 – 200 V
    • b) Ammeter – 0 – 2 Amp
    • c) Dimmer stat for central & guard heater 0-240 V 2 A – one
    • d) Digital Temperature indicator-200°c with 0.10C least count using chromel – alumel thermocouples, provided with cold junction compensation

    • Range Of Experiment
  • Determination of Thermal conductivity of insulating Material in the form of slab
  • Study of variation of Thermal Conductivity of the material with temperature
  • Comparison of thermal