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Homemade Cryogenic Thermometer (Patreon)

Published:
2017-07-25 11:41:31
Imported:
2021-10

Content

Here I've made my own thermometer and calibrated it with some pretty cold things: dry ice, liquid propane, LN2, and even solid nitrogen! Hope you all enjoy! 

Files

Making a Cryogenic Thermometer

I make a digital thermometer and calibrate it using dry ice, liquid nitrogen, solid nitrogen and liquid propane. Help me make videos by donating here: https://www.patreon.com/CodysLab

Comments

Aleksei Besogonov

What unit did you use? Sounded like "yay"?

Anonymous

I would be worried about propane vapors and your vacuum pump oil. Did you have to change the oil after this experiment?

hey7328

the equation 0.000246343x^2+0.339794x-14.6767 fits the graph pretty well, being off by 1 ohm at most compared to 2.1 ohms using a linear equation. and for an inverse of the graph, -0.003066095x^2+2.68591x+42.5173 fits the graph being off by 2K at most, compared to 5.7K using a linear equation.

Anonymous

You could probably get a more accurate regression by heating up the coil as well

dancer42

yes but i need some quasi crystals of metallic hydrogen for the saucer rebuild can you help? actually could metallic hydrogen be done with current tech? how much pressure at what temp.?