Adiabatic Gas Law Apparatus

Adiabatic Gas Law Apparatus

870.00

TEL-TD1000

  • Demonstrate the Adiabatic Gas Law
  • Compare work done on sample to change in internal energy
  • Measure γ, the ratio of specific heats (Cp/Cv)
  • Investigate isothermal processes
  • Output to computer interface via 5-pin DIN connector

The Adiabatic Gas Law apparatus is the perfect tool for teaching confusing thermodynamic processes. The Adiabatic Gas Law apparatus simultaneously measures volume, pressure and temperature, completely specifying the state of the gas. The gas can be rapidly compressed or expanded, creating nearly adiabatic conditions. Alternately, processes can be performed slowly, creating isothermal conditions.

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TEL-TD1000

  • Demonstrate the Adiabatic Gas Law
  • Compare work done on sample to change in internal energy
  • Measure γ, the ratio of specific heats (Cp/Cv)
  • Investigate isothermal processes
  • Output to computer interface via 5-pin DIN connector

The Adiabatic Gas Law apparatus is the perfect tool for teaching confusing thermodynamic processes. The Adiabatic Gas Law apparatus simultaneously measures volume, pressure and temperature, completely specifying the state of the gas. The gas can be rapidly compressed or expanded, creating nearly adiabatic conditions. Alternately, processes can be performed slowly, creating isothermal conditions.

Transducer Specifications

Volume Transducer: A linear potential divider is mounted on the side of the piston. A 5-Volt source from the computer is applied across the potentiometer element. The voltage from the commutator brush on the cylinder is used to indicate the position of the piston and the volume of the confined gas.

Pressure Sensor: A solid-state, piezoresistive device that forms part of a bridge circuit is mounted at the base of the cylinder.

Temperature Sensor: Mounted in the cylinder on the top of the base. The active element is fine nickel wire with a high surface-to-mass ratio. The wire's temperature and resistance change rapidly as the gas compresses or expands.

Requirements Computer Interface: (not included)

·         3 analog input channels with female 5-pin DIN connectors or suitable adapters

·         500 samples/s simultaneous sample rate on all channels

·         0-5V input range