Test - measure of low temperature

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Test - measure of low temperature

Post  Alessandro on Wed Jul 22, 2009 11:37 pm

Immersing the thermometer in a bath of liquid nitrogen I obtained the following results:

The picture above was taken at the instant t=3581 s.

The data acquired every 10s are represented in the pictures below:

Channel DF0:

Channel DF1:

Channel DF2:

Channel DF3:

All channels differentials (
useful to see the common evolution of the temperature between channels):


  • The thermometer has a temperature offset of about 10K.
  • Fluctuations in temperature are due to background noise (For example, electronic noise, or noise due to the thermometer)

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