Скачать или смотреть What is the difference between hydrometer and Lactometer - Kisembo Academy

The hydrometer and Lactometer explained - Kisembo Academy
in this video, i get to explain afew details that reveal the difference between the lactoeter and the hydrometer. this will include the construction and operation of both a hydrometer and lactometer.

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#hydrometer #Lactometer #archimedesPrinciple

transcript;
henry thoreau adopted the use of an
instrument called a hydrometer and and

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the use of this instrument was later

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popularized by john richardson in 1784

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the hydrometer i'm talking about here is

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simply a large weighted glass bulb with

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a thin stem is in from the top with

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calibrated markings and so in this video

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we get to discuss the specifics that are

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relating to a hydrometer now right

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before us all we are seeing is what we

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call a common hydrometer

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now this common hydrometer I'll start by

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describing the parts of this hydrometer

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it comprises of a large glass bulb which

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I'm calling be this larger glass bulb be

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is known as the floating bulb and this

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floating bulb on top of it is what we

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call the graduated stem oh just call it

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the stem is so this stem here is

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graduated with markings with 1.0 grams

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per CC 0.69 and 1.69 this is the

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graduated stem I'm talking about now of

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course when you look at the bottom of

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the bulb right here we have some spots

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right here those spots are what we call

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it shirts and these lead shots are meant

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to keep this bulb upright when it is

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floating in other words if you look at

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this conical flask if this is the this

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is what my hydrometer is if I'm to drop

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this right here you realize that it is

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going to be leaning against the walls of

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this conical flask so now to make sure

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that this this is straight it is when I

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drop it in it is straight without it

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having to lean against the walls I

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simply have to put those lead shots down

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I put something here maybe for this

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cases this is just a test tube I put

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something heavy inside here inside there

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to make sure that when I drop this thing

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in water it stands up straight so that's

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the lid of the raise of the lid shots

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the the bottom of this bulb has very

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heavy lead shots and the use of these

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Richards specifically to make sure that

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this stem is kept up right now of course

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when you look at this stem at the

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midpoint we have one gram per cc and

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this is the density of pure water so how

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does this thing work

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this hydrometer remember we say that it

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can be used to test the purity of water

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so it means that if I get this and drop

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it in a liquid this I drop this bulb in

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a liquid like that it will start me what

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I'll see is I'll see how much of this

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has been submerged in the liquid where

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it has dropped now in some cases when

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you drop this in a liquid it will think

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so much that the level the amount of

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liquid that has the height that has

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submerged in a liquid has probably gone

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beyond maybe it is around here and made

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and sometimes when you go and get this

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and drop it in the liquid that is a bit

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light that is a bit thicker you realize

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that it might go bill below then the

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liquid level might be below if I'm to

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put this in a liquid sometimes it will


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