Perfect Gas Laws Demonstration Unit

Perfect Gas Laws Demonstration Unit A small scale bench top accessory designed to allow experimental investigation of the first law of thermodynamics using the perfect gas law and the expansion of air.

The unit consists of two vessels connected by a large bore pipe and valve together with an integral air pump. The pump can be used to both pressurise one vessel and evacuate the other. Additional valves allow the vessels to be used in isolation; venting to or from atmosphere and in a combined arrangement where the pressurised vessel can vent into the evacuated vessel. Low inertia thermocouple sensors located in each vessel record the air temperatures and individual pressure transducers record the chamber pressures. The vessels and interconnecting pipe work are constructed from impact resistant plastic and for operator safety pressure switches limit the operating pressures to safe levels. The unit is provided with its electrical services and temperature instrumentation by the Heat Transfer Service Unit. This also provides digital display of the air temperatures in the vessels while an auxiliary display provided with the allows display of the chamber pressures

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