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Funny you should mention the refractive index John. I use a handheld refractometer to measure the gravity of my beer. It only works before the beer has alcohol in it. As soon as it starts fermenting, I need to correct for the alcohol. I use a calculator that takes the original gravity and...
You're close on guessing microbiological research... I'm making beer. Home brewing is one of my hobbies and I thought it would be cool to measure the specific gravity (density relative to water) of the wort as it ferments. I wanted to have it on the outside of the fermenter to avoid...
I wouldn't want to put my transducers in the water just for clean up/sterile purposes.
My thoughts were to use both a transmitter and a receiver... transmitting straight through the jar. The receiver would be about a foot away. I'm hoping that I would see distinct signals at the receiver...
I had an idea for a project.
I'd like to measure the density of a liquid in a glass jar. My thought was to measure the speed of sound through the liquid and calculate the density based on the known distance between transmitter and receiver. The liquid would be at STP and really close to the...
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