This hydrometer is 230mm long and has three scales: • Specific Gravity 0.980–1.100 at 20°C, Coloured bands indicate where to start and finish beers. The hydrometer comes packed in a strong clear plastic tube, which can be used as a trial jar, along with an instruction leaflet which includes a temperature correction table, and instructions on how to calculate actual % alcohol from the hydrometer readings.
• sugar scale 15–270 grammes per litre,
• alcohol scale 0–16% for % alcohol calculation.