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Change of State of Gases Apparatus (SMT-HT-02)
Touch LCD with GUI Interface for better monitoring
and accurate measurement of Plant variables.
Experimental investigation of gas laws.
Transparent measuring tank 1 for investigation of
isothermic change of state.
Hydraulic oil filling for changing volume of test gas.
Built-in compressor generates necessary pressure
differences to move the oil volume.
Compressor can also be used as vacuum pump.
5/2-way valve for switching between compression
Transparent measuring tank 2 for investigation of
isochoric change of state.
Electrical heater with temperature control in tank
Sensors and digital displays for temperatures,
pressures and volume.
ESOLS DAQ Software for monitoring and control.
The SMT-HT-02 apparatus unit enables two changes of state to be studied experimentally:
isothermal change of state, also known as the Boyle-Mariotte law, and isochoric change of
state, which occurs at constant volume. Transparent tanks enable the change of state to be
observed. Air is used as the test gas. In the first tank, positioned on the left, the hermetically
enclosed air volume is reduced or increased using a compressor and hydraulic oil. This results
in an isothermal change of state. The compressor can also operate as a vacuum pump. If the
changes occur slowly, the change of state takes place at an almost constant temperature. In
the second tank, positioned on the right, the temperature of the test gas is increased by a
controlled electric heater and the resulting pressure rise is measured. The volume of the
enclosed gas remains constant. Temperatures, pressures and volumes are measured
electronically and digitally displayed on Touch LCD Display.
The unit has Touch LCD display for visualization of process and the measurements. The Unit
is also connected to Software for computer connectivity and data analysis. The Touch screen
and computer software is included in the package.