For the determination of content of alcohol according to different methods, with and without thermometer.
Alcoholometers, Directions 'Europa', DIN 12803,
suitable for government testing, for the determination of the content of alcohol by volume in ethanol/water mixtures.
Class I, II and III, without thermometer or with thermometer +5+25:0,2°C, reference temperature 20°C.
All alcoholometers class I to III are available government tested with verification certificate.
Alcoholometers, Commercial Grade, Precision Type
suitable for government testing, several types, percentage by weight and volume, reference temperature 15°C and 20°C.
Commercial grade alcoholometers, precision type are also available government tested with verification certificate.
Alcoholometers, Commercial Grade, Common Type,
without thermometer, or with thermometer 0+30:1°C, with red or blue special filling.
Alcoholometers for destillation receiver, divisions round the scale, without thermometer, or with thermometer 0+35:1°C, with red or blue special filling.
Hydrometers for Grapes and Wine,
commercial, without thermometer, reference temperature 20°C.
Vinometer, giving approximate dates of percentage of alcohol in wine. Solid stem, white backed, 0–25Vol.%, 130mm long.
Usually the density is determined, prefereably in the units g/cm³, kg/m³ and g/ml.
With alcoholometers usually the content of alcohol by volume in ethanol-water mixtures are determined.
Reference temperature is 20°C. Other reference temperatures are possible.
Calibration is generally made for 'reading below', for non-transparent liquids also 'reading above'.