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2. Hydrometer - Wikipedia

   en.wikipedia.org/wiki/Hydrometer

   The state of charge of a lead-acid battery can be estimated from the density of the sulfuric acid solution used as electrolyte. A hydrometer calibrated to read specific gravity relative to water at 60 °F (16 °C) is a standard tool for servicing automobile batteries. Tables are used to correct the reading to the standard temperature.

3. State of charge - Wikipedia

   en.wikipedia.org/wiki/State_of_charge

   The specific gravity of the electrolyte can be used to indicate the SoC of the battery. Hydrometers are used to calculate the specific gravity of a battery. To find specific gravity, it is necessary to measure out volume of the electrolyte and to weigh it. Then specific gravity is given by (mass of electrolyte [g]/ volume of electrolyte [ml ...

4. Twaddell scale - Wikipedia

   en.wikipedia.org/wiki/Twaddell_scale

   On this scale, a specific gravity of 1.000 is reported as 0, and 2.000 reports as 200. [1] Concentrated sulfuric acid with a specific gravity of 1.8 has a Twaddell scale measurement of 160 (as per the linear relationship between readings and sp. gravity). The Twaddell scale is only used for liquids with specific gravity greater than that of water.

5. List of measuring instruments - Wikipedia

   en.wikipedia.org/wiki/List_of_measuring_instruments

   hydrometer: specific gravity of liquids (density of liquids) hygrometer: humidity inclinometer: angle of a slope inkometer: ink interferometer: wave interference infrared thermometer: heat radiated katharometer: composition of gases lactometer: specific gravity of milk light meter: light (in photography) linear position transducer: speed of ...

6. Lead–acid battery - Wikipedia

   en.wikipedia.org/wiki/Lead–acid_battery

   A hydrometer can be used to test the specific gravity of each cell as a measure of its state of charge. Because the electrolyte takes part in the charge-discharge reaction, this battery has one major advantage over other chemistries: it is relatively simple to determine the state of charge by merely measuring the specific gravity of the ...

7. Our 20 Most Popular Chicken Dinners of 2024 - AOL

   www.aol.com/20-most-popular-chicken-dinners...

   Here's an easy main dish that’s sure to set you on your own quest for the best maple syrup. Start the chicken breasts marinating on a Saturday afternoon for a quick meal later in the day. View ...