Perfect Gas Laws Demonstration Unit Description and Specifications for Lab Tenders
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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