Hydrometers

Hydrometers

Category: Ludwig Schneider Available
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Description

WHAT IS A HYDROMETER?

The hydrometer is a measuring instrument for determining the density or specific gravity of liquids. The instrument is immersed in a liquid until the weight force of the displaced liquid corresponds to the weight force of the immersed body. Hydrometers are used, among other places, in laboratories, dairies or wineries (must scales) used.

For accurate density measurement and to ensure an exact measurement result, make sure to use a container (stand cylinder, see accessories) with the appropriate size or capacity. In addition, the temperature of the liquid should correspond to the reference temperature of the instrument (as a rule +15 °C to +20 °C).

Product Variants

Alcoholometers Alcoholometers are used to determine volume concentration or content of alcohol in alcohol-water-mixtures. The percentage of alcohol content can be read directly from the scale. They are available either as range finders (0-100 percent by volume) or as finely scaled hydrometer sets. Precision alcoholmeters can be implemented either with or without thermometer. Integrated thermometers are available with organic, environmentally-friendly filling.
  • Measuring range: 0 to 100 vol. %
  • Resolution: Up to 0.1 %
  • Accuracy: ±0.1 %
  • Types: Class I, II EG-OIML / Richter and Tralles / Proof (IRS-scale) / Lutter probes / 
    Range finders for alcoholometers / Pocket alcoholometers / Alcohol testers
  • Variants: With integrated thermometers / Without integrated thermometers
  • Thermometer filling: Organic (blue) / Metallic
  • Accessories: Cylindrical stands made of glass (For accurate measurement we recommend a cardanic suspension to hold the instrument in vertical position.)
API Hydrometers The API gravity describes the unit for the density of crude oil. You will receive our precision hydrometers in degree API acc. to ASTM E100-19 and ASTM E2995-15a and also in versions with or without integrated thermometers. 
  • Measuring range: -1 bis +101 °API
  • resolution (accuracy): 0.1 °API (±0.1 °API)
  • Reference temperature: 60 °F
  • Norms: ASTM E100-19 / ASTM E2995-15a
  • Variants: With integrated thermometers / Without integrated thermometers
  • Thermometer filling: Organic, up to +150 °F / Metallic, up to +220 °F
  • Accessories: Cylindrical stands made of glass
Hydrometers Made Of Plastic The plastic hydrometers made completely of durable polycarbonate dispose of a high degree of precision and reproducibility. hanks to their breakage resistance they are suitable for many areas of applications in the food, pharma and cosmetics industry.

Our hydrometers are manufactured in different units of measure like specific gravity, density, Oechsle, percent by mass, degree Brix or degree Baumé. We gladly supply a works calibration certificate upon request.
  • Measuring range: 1.000 – 1.620 g/cm³ (SG) / 0 to 71 °Bé / 0 bis 90 % mas (°Brix)
  • Reference temperature:    +15 °C, +20 °C and 60/60°F
  • Resolution: 0.002 g/cm³ (SG) / 0.2 °Bé / 0.2 % mas (°Brix)
  • Accuracy: ±0.002 g/cm³ (SG) / ±0.2 °Bé / ±0.2 % mas (°Brix)
  • Types: Density hydrometers / Salinometers for common salt / Wine scale acc. to Oechsle / SACCHARIMETERS
  • Variants: Without integrated thermometers
  • Accessories: Cylindrical stands made of glass
Hydrometers For Liquid Gases Precision hydrometer for liquid gases are used for measurements in liquid hydrocarbons as e.g. propane, butane, mixtures there of or like media To retain liquidity a pressure of up to 15 bar is possible at +15 °C. The thermometer tube is enclosed in an additional glass guard which helps avoid faulty reading due to pressure to the thermometer tube.. Common norms specifications like DIN 12804 and ASTM E100-19 are complied with, of course.
  • Measuring range: 0.500 bis 0.650 g/cm³ (SG)
  • Norms: DIN 12804 / ASTM E100-19
  • Variants: With integrated thermometers
  • Thermometer filling: Metallic
  • Reference temperature: 15 °C (60/60 °F)
  • Resolution: Up to 0.0005 g/cm³ and 0.001 SG
  • Accuracy: ±0.0005 g/cm³ and 0.001 sp/gr
  • Accessories: Cylindrical stands made of glass
Hydrometers For Mineral Oil Precision hydrometers for mineral oils are used to determine the density of benzine, petrol, kerosene, diesel and heavy fuel. Our precision hydrometers are in versions with or without integrated thermometers available.
  • Measuring range: 0.595 to 1.100 g/cm³
  • Reference temperature:    +15 °C
  • Variants: With integrated thermometers / Without integrated thermometers
  • Thermometer filling: Metallic
  • Resolution: Up to 0.0005 g/cm³
  • Accuracy: ±0.0005 g/cm³ and 0.001 sp/gr
  • Accessories: Cylindrical stands made of glass
Hydrometers For Dairies Lactometers are used to supervise and control production in dairies, the cheese industry, milk processing plants, and laboratories. They determine the density of milk, skim milk, buttermilk, condensed milk and other liquids of the dairy industry.

The different shapes of the instruments and their ranges are adapted to their use. Hydrometers for dairies in versions with or without integrated thermometers available. Because of the opaqueness of milk these instruments are always to be read at the top, and the scale is at the top of the stem. The instrument has a thermometer in body. We offer our lactometers with eco-friendly, mercury-free filling.
  • Measuring range: 1.014 to 1.240 g/cm³
  • Types: DIN 10290 / DIN 10293 / BS 734 / Acc. to Quevenne / Acc. to Gerber
  • Resolution: Up to 0.0002 g/cm³
  • Accuracy: ±0.0002 g/cm³
  • Reference temperature: +15 °C / +20 °C
  • Variants: With integrated thermometers / Without integrated thermometers
  • Thermometer filling: Organic
  • Accessories: Cylindrical stands made of glass
Hydrometers For Must Producers Hydrometers for must producers are required for the determination of extracts as well as the determination of the alcohol and sugar content of fruit juices, must and wine. The must scale is used to determine the must weight. Our hydrometers for must producers are available with a double scale for density determination and alcohol content as well as with or without integrated thermometer. We also offer special solutions for special purposes. 
  • Measuring range: 0.985 to 1.130 g/cm³ / 3 to 18 % Vol.
  • Resolution: Up to 0.0002 g/cm³ / Up to 0.5 % Vol.
  • Accuracy: ±0.0002 g/cm³ / ±0.5 % Vol.
  • Reference temperature: +20 °C
  • Types: Hydrometers for the determination of extracts / Must scale
  • Variants: With integrated thermometers / Without integrated thermometers
  • Thermometer filling: Organic / Metallic
  • Accessories: Cylindrical stands made of glass
Hydrometers For Specific Gravity Use our high-quality hydrometers for the determination of the specific weight of liquids according to ASTM E100-19. Upon request our hydrometers are available with an integrated thermometer.
  • Measuring range: 0.650 to 3000 sp/gr
  • Resolution: up to 0.0005 sp/gr
  • Accuracy: ±0.0005 sp/gr
  • Reference temperature: 60/60 °F
  • Types: Range finders / Hydrometers acc. to ASTM E100-19 / Hydrometers for heavy liquids
  • Accessories: Cylindrical stands made of glass
Hydrometers According to Baume Ludwig Schneider is an established German manufacturer of Baumé hydrometers. Use our hydrometers acc. to Baumé for the determination of the density of liquid solutions. Upon request you will receive our Hydrometer with integrated thermometer.
  • Measuring range: 0 to 75 °Bé
  • Resolution: Up to 0,1 °Bé
  • Accuracy: ±0.1 °Bé
  • Reference temperature: +15 °C / +20 °C
  • Types: Range finders / Hydrometers acc. to Baumé
  • Accessories: Cylindrical stands made of glass
Density Hydrometers Use our high-quality hydrometers for the determination of the density of liquids and ground measurement according to ASTM E100-10. Upon request our hydrometers are available with an integrated thermometer. 
  • Measuring range: 0.600 to 4.000 g/cm³ / 0,995 to 1,038 SG / -5 to +60 g/l
  • Resolution: Up to 0.0001 g/cm³ / 0.001 SG (± 0.001 SG) / 1 g/l (±1 g/l)
  • Accuracy: ±0.0001 g/cm³
  • Reference temperature: +15 °C / +20 °C / 68/68 °F
  • Types: Range finders / Hydrometers acc. to ASTM E100-19 / Hydrometers for heavy liquids / Precision hydrometer sets acc. to DIN 12791 und BS 718
  • Variants: With integrated thermometers / Without integrated thermometers
  • Thermometer filling: Organic / Metallic
  • Accessories: Cylindrical stands made of glass / Instrument cases
Saccharimeters Saccharimeters are used to determine sugar content in sugar refineries, beer wort in breweries as well in laboratories to monitor the production. Each instrument type has a marking as to what is to be used for, e.g. saccharimeters for saccharose solutions or saccharimeters for the determination of beer wort. Our saccharimeters are with or without integrated thermometer and also as plastic version available.
  • Measuring range: 0.998 to 1.050 g/cm³ / 0 to 90 % mas (°Brix) / 0 to 25 °Plato
  • Resolution: Up to 0.0002 g/cm³ / Up to 0.01 %mas (°Brix) / Up to 0.1 °Plato
  • Accuracy: ±0.0002 g/cm³ / ±0.01 %mas / ±0.1 °Plato
  • Reference temperature: Up to +90 °C (glass version)
  • Variants: With integrated thermometers / Without integrated thermometers
  • Thermometer filling: Organic / Metallic
  • Accessories: Cylindrical stands made of glass / Instrument cases

Hydrometer from german manufacturer Ludwig Schneider   Hydrometer by Ludwig Schneider from Wertheim

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