![]() ![]() How do you read a corrected hydrometer?.How does temperature affect a hydrometer?. ![]() How do you use a hydrometer temperature correction?. ![]() In turn, the temperature-corrected field samples are more accurately reflected, allowing for the most accurate analysis. Once the temperature correction amount has been determined, it can be added or subtracted from the sample’s raw density to get the final temperature-corrected hydrometer reading.īy implementing temperature correction in hydrometer analysis, accuracy can be improved and field samples can be brought closer to the predetermined thermal coefficient of expansivity. The temperature correction table will have the different temperature variation readings on one side, and the temperature correction amounts on the other, so that when a sample’s density is known, the correction amount can be determined. Temperature correction requires the use of a temperature correction table, which shows corrected values from the difference between the sample temperature and the calibration temperature. The temperature correction process enables the raw sample density to be brought closer to the hydrometer-calibrated density by making a correction for the existing differences in temperature between the two. Samples taken from the field will normally show different densities than the samples taken from the hydrometer calibration tank due to their different temperatures. Temperature correction in hydrometer analysis is a process used to adjust a sample’s density, usually expressed in specific gravity, which is affected by variations in temperature from the temperature that was predetermined when the hydrometer was calibrated. ![]()
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