Description
Refractometer for beer brewing 0–18 °Plato – measure sugar content with a few drops
A refractometer is an optical instrument that measures the sugar content of wort from how light is refracted through a sample. You only need a few drops, which makes it practical when you want to take several readings during the brew day, for example during the mash, sparge and before the boil. With a hydrometer you have to sacrifice far more wort. This refractometer reads in °Plato from 0 to 18 and has automatic temperature compensation (ATC).
Technical data
- Scale: 0–18 °Plato
- Accuracy: ±0.1 °Plato
- ATC (automatic temperature compensation), recommended range 10–30 °C
Contents
- Refractometer
- Calibration screwdriver
- Pipette for sampling
- Lens cloth
- Instructions
Frequently asked questions about the refractometer
Can I measure FG with a refractometer?
Not directly. Once fermentation has started, alcohol refracts light differently and the reading will be wrong. Use a hydrometer to measure FG.
Does the sample need cooling before measuring?
The refractometer has ATC, which compensates for temperature within 10–30 °C. A few drops cool quickly, so wait a moment after placing them on the prism.
How do I calibrate the refractometer?
Place a few drops of distilled water on the prism and adjust the scale to 0 using the supplied screwdriver.
What is the difference between °Plato and SG?
Both describe how much sugar the wort contains. °Plato gives the sugar content as a percentage by weight, while SG gives the density. Brewshop also stocks a refractometer with an SG scale.
Related
Betaling
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