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Bomb Calorimeter

1 Jacketed vessel 2 Water flask 3 Bomb 4 Stirrer 5 PT 1000 6 Power supply 7 Trainer O/I switch 8 Emergency button 9 Temperature display 10 Water circulation control

  • Demonstration the enthalpy of combustion of naphthalene using a bomb calorimeter
  • Demonstration the enthalpy of formation of naphthalene from the enthalpy of combustion
  • Demonstrating heat capacity
  • Investigation first law of thermodynamics
  • Investigation Hess’ law of constant heat summation
  • Calorimeter transparent vessel
    • Volume = 7 liter
    • Bomb calorimeter: 280 ml
  • Temperature sensors
    • Type Pt 1000
    • Measuring range 0-350 °C
    • Digital meter display accuracy: ± 0.2 °C
  • meters Ignition Fuse wire
    • Nickel-chromium alloy
    • thickness: 0.2 mm
    • Heat of combustion: 2.3 cal/cm ... 1400 cal/g
  • Universal power supply
    • Input voltage: 220 V, AC, ±10%, 50 Hz
    • Voltage output: 0-30 V
    • Current output: 0-5 A
    • Operating temperature: -10-40 °C
  • Test substance
    • Benzoic acid
  • Bomb Calorimeter (TD - 013)
  • Hard copy user manual
  • Distilled water , 20 liters
  • Graduated beaker

The bomb calorimeter (TD-013) is a benchtop unit that’s used to determine the heat of combustion of different fuels in oxygen atmosphere. The benchtop unit also demonstrates a type of constant-volume calorimeter.

  • The benchtop bomb calorimeter is mainly used in laboratories to measure the heat of combustion of fuels.
  • The educational unit consists of jacketed acrylic vessel, water flask and the fuel bomb.
  • The jacketed acrylic vessel is purposed for providing the needed insulation to avoid heat loss during the combustion. The vessel is made out of clear material to provide a better observation.
  • The water flask is supplied with a stirrer motor to provide a uniform heat distribution during the combustion of the fuel.
  • The stirrer can be controlled using water circulation knob from the panel.
  • The fuel bomb is made out of stainless-steel material and it consists of a combustion cup, release knob, charging input and two electrode ports that are needed for firing the fuel.
  • The release knob of the calorimeter bomb is used to discharge air out of the bomb.
  • The fuel is fired using fuse wire twisted on both electrodes. Heat of firing for the fuse wire is known per centimeter.
  • The fuse wire must be avoiding the contact with the combustion cup to prevent the occurrence of short circuit.
  • The unit is supplied with Pt1000 heat sensors to measure temperature through the combustion process.
  • The trainer is aided with temperature display to state the peak of temperature to be able to perform the required calculations.
  • The trainer is provided with Power control, O/I button for the trainer as well as emergency button as a safety measure.
  • The trainer bench is provided with handles at both sides for easier lifting.