Patent ID: 7104680

Claim:
A thermal analyzer comprising: a sample chamber; a detector chamber that houses a detector for detecting a physical change due to temperature of a sample disposed in the sample chamber and that is in communication with the sample chamber; a bar member that is arranged in the sample chamber at one end thereof and in the detector chamber at the other end thereof and transmits the physical change of the sample to the detector in the detector chamber; a first gas introducing section provided in the sample chamber for introducing a first gas into the sample chamber; and a second gas introducing section provided in the detector chamber for introducing a second gas into the detector chamber; a gas mixing chamber that has partition walls on the sample chamber side and the detector chamber side, respectively, and disposed between the sample chamber and the detector chamber; a gas discharge section provided in a sidewall of the gas mixing chamber; and means defining a through hole through which the bar member is inserted with a gap between the bar member and a wall surface of the through hole.