Manual refractometer

£40.00

Hand held manual refractometer for determining the moisture content of honey before bottling.

Manual refractometers require calibration to ensure their continued accuracy.  Calibration oils can be purchased from scientific supply companies, however, extra virgin olive oil has a refractive index of 71-72 Brix.  Calibration to 71.5 Brix using extra virgin oil is sufficiently accurate for the purposes of determining the moisture content of honey prior to bottling.


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