- 3/31/2025
- Bellingham + Stanley
The alcohol content of a beer, wine and cider may easily be established by combining the results of two simple test measurements, that of a refractometer (RI-Zeiss) and a hydrometer (SG). Calculation of results is by way of either a paper lookup table supplied with the refractometer or by a simple Internet calculator that can be accessed via a networked PC or web enabled mobile phone.more