A graduated instrument for finding the specific gravity of liquids A hydrometer is used to determine the concentration of acid in a storage battery or to test the purity of milk, the strength of alcohol or salt in a substance, etc A hydrometer consists of a glass tube with a bulb syringe for sucking up samples of the electrolyte Within the glass tube is a calibrated float The depth to which the float sinks is a measure of the specific gravity of the solution (Dictionary of Science)
An instrument for determining specific gravity It can also be used as a grain size test, because grain size distribution affects the specific gravity of fluids according to the distribution present
(Otomotiv) A device to determine the specific gravity of a liquid. It's used to test battery electrolyte and the percentage of coolant in the cooling system
An instrument that uses buoyancy to measure the density of a liquid; it consists of a weighted tube that floats vertically and determines the specific gravity of the liquid by a comparison of the scale on the tube with the level it floats in the liquid
A device for measuring the sugar content of beer wort, by determining its density There are several different hydrometer scales which are used; the most common one used by homebrewers is specific gravity; other commonly used scales are Plato, and potential alcohol
A float type instrument used to determine the state-of-charge of a battery by measuring the specific gravity of the electrolyte (i e the amount of sulfuric acid in the electrolyte)
An instrument made of glass used to measure the specific gravity of a liquid as compared to water The instrument consists of a graduated stem resting on a floating weight
An instrument used to check the specific gravity (strength) of the electrolyte in the battery Most Lead-Acid batteries will be in the range of 1 1 to 1 3 specific gravity, with most fully charged batteries being about 1 23 to 1 30 (some hydrometers multiply this number by 1000, so 1 23 would read as 1230 ) Hydrometers are inexpensive and can be purchased at any auto parts store Some batteries manufactured for use in very hot or very cold climates may have stronger or weaker acid If so, it is usually marked on the battery See also Specific Gravity
A gizmo that lets you measure the specific gravity of a liquid It's a glass cylinder that looks a lot like a thermometer The denser the liquid, the higher the hydrometer floats
A device that is used to measure the amount of sugar in beer or wine This instrument will tell the brewer the amount of potential alcohol in the finished wort or must
A glass instrument for measuring the specific gravity of liquids as compared to that of water, consisting of a graduated stem resting on a weighted float Most hydrometers are calibrated for use at 15 6C (60F) and tables or charts are provided listing corrections for variations in temperature The accuracy of a hydrometer is tested in water at 15 6C (60F) where it should read 1 000
A tool for testing the specific-gravity of a fluid, such as the electrolyte in a flooded battery Typically a squeeze-bulb is used to suck up a sample of the fluid, and a float indicates the specific gravity