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Alcoholometer
Precision-Calibrated Internal Scales: Features high-contrast, permanent graduations—often featuring Proof or Tralles scales—verified against primary reference standards to ensure linear accuracy and eliminate measurement drift across the entire concentration range.
Ballast-Weighted Borosilicate Housing: Constructed from chemically resistant, low-expansion glass with a precision-weighted ballast chamber, ensuring vertical stability and immediate equilibrium within the liquid for rapid, parallax-free readings.
₹400.00
Quick Answer: This is a glass alcoholometer that reads ethanol concentration directly in percent alcohol by volume (% ABV), used in distilleries, breweries, and beverage quality control. It differs from LabEquip’s Sikes hydrometer, which uses the older traditional proof-scale convention rather than a direct percentage reading.
Product Description
Like all hydrometers, an alcoholometer works on Archimedes’ principle of buoyancy: since ethanol is less dense than water, a sample with a higher alcohol content lets the weighted glass float lower, giving a lower relative-density reading. This instrument’s stem is graduated directly in percent alcohol by volume, so operators can read strength immediately without converting from a specific-gravity or proof scale.
What Makes This Instrument Distinct
LabEquip’s hydrometer range covers several different scale conventions for different industries. The alcoholometer is calibrated specifically for ethanol-water mixtures and reads in the modern %ABV convention used in most beverage and fuel-ethanol applications today, in contrast to our Sikes Hydrometer, which uses the traditional proof-scale convention historically associated with distillery excise measurement. As with any alcoholometer, accurate readings depend on sample temperature – ethanol-water density is temperature-sensitive, so results are typically referenced to a standard temperature and should be temperature-corrected for precise work.
Specifications
| Attribute | Detail |
|---|---|
| Scale Type | Percent Alcohol by Volume (% ABV) |
| Body Material | Glass |
| Measurement Principle | Archimedes’ principle of buoyancy – relative density of an ethanol-water mixture |
| Typical Use | Distilleries, breweries, beverage quality control, teaching laboratories |
| Exact Scale Range & Graduation | Confirm with our sales team for your required range |
Care & Maintenance
- Rinse in clean water immediately after use to remove residual alcohol and prevent evaporation deposits on the stem.
- Store upright in its case or a padded rack; the glass bulb and stem are fragile and can chip or crack if knocked against a hard cylinder.
- Allow the sample to reach the reference temperature before taking a reading, since ethanol-water density is sensitive to temperature.
- Handle by the top of the stem, not the bulb, to avoid disturbing the weighted base and to protect the printed scale from finger oils.
Why Choose LabEquip
LabEquip supplies a full family of hydrometers – specific gravity, Beaume, Brix, Twaddle, Sikes, density and alcoholometer variants – so distilleries, breweries and teaching labs can source every scale they need from one trusted supplier. Explore related instruments:
Frequently Asked Questions
What does an alcoholometer measure?
An alcoholometer measures the concentration of ethanol in an ethanol-water mixture, reading directly in percent alcohol by volume (% ABV).
How is an alcoholometer different from the Sikes hydrometer?
Both read alcohol strength, but the alcoholometer uses the modern %ABV scale while the Sikes hydrometer uses the traditional proof-scale convention historically used for excise purposes.
Why does temperature matter when using an alcoholometer?
Ethanol-water density changes with temperature, so readings are typically referenced to a standard temperature; correcting for temperature gives a more accurate result.
What range and graduation interval does this alcoholometer cover?
Exact range and graduation intervals vary by application; please confirm your required range with our sales team so we can match the correct instrument.
Is this alcoholometer suitable for both distillery and brewery use?
Yes, alcoholometers are used across beverage and fuel-ethanol applications; confirm your specific application with our sales team so we can advise on the right range.
How should I clean this alcoholometer after use?
Rinse thoroughly in clean water immediately after use to remove residual alcohol and prevent evaporation deposits from affecting future readings.
Last Updated: September 2026
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