Setting Up an Experiment to Test Efficiency of Old Thermos

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SUMMARY

The discussion centers on setting up an experiment to test the insulation efficiency of an old thermos using a reliable temperature recording device. The user conducted an initial ad hoc experiment with boiling water and a candy thermometer but found it insufficient due to limited sampling. They seek a waterproof, heat-resistant thermometer capable of recording temperature at specified intervals for 24 hours. Omega is suggested as a potential source for temperature sensors and data acquisition (DAQ) setups.

PREREQUISITES
  • Understanding of thermal insulation principles
  • Familiarity with temperature measurement techniques
  • Knowledge of data acquisition systems
  • Experience with experimental design and setup
NEXT STEPS
  • Research waterproof and heat-resistant temperature sensors
  • Explore data acquisition systems compatible with temperature logging
  • Learn about experimental design for thermal efficiency testing
  • Investigate interval recording techniques for temperature measurement
USEFUL FOR

This discussion is beneficial for experimental scientists, engineers, and hobbyists interested in thermodynamics, insulation testing, and temperature measurement methodologies.

spl3001
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This is kind of a specific question relating to an experiment I'd like to setup.

I have an old thermos, and I thought it would be interesting to see how efficient it is at insulating its contents. I did an ad hoc experiment using boiling water and a candy thermometer, but I only sampled the water twice with any accuracy.

What I would like to know is there such a thing as a small water proof/resistant, heat resistant, time-interval recording thermometer? Just some small device that would record the temperature for 24 hours or so at some interval. I have no idea where to look for something like that. Any design ideas would be appreciated as well.
 
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