Measurements with a density meter cannot be corrected with this calculator.
Also not measurements with a refractometer with ATC (automatic temperature compensation). This corrects the measured value more or less successfully automatically.
Since almost no one has an absolutely accurate thermometer, an additional "thermometer error" can be specified. This can be determined with the help of the Thermometer error calculator. The temperature entered here is then the one displayed on this thermometer, not the real one.

General Information about Refractometers