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Ubbelohde DIN viscometers
Ubbelohde DIN viscometers for precise kinematic viscosity determination
Ubbelohde DIN viscometers are precision glass capillary viscometers designed to determine the kinematic viscosity of transparent Newtonian liquids according to DIN testing methods and internationally recognised laboratory procedures.
Thanks to their suspended-level measuring principle, Ubbelohde DIN viscometers provide highly accurate, repeatable and reliable viscosity measurements while minimising the influence of sample volume on the final result.
Fungilab offers complete kinematic viscosity solutions, including DIN-compliant Ubbelohde viscometers, precision thermostatic baths and laboratory accessories for research and quality control.
Our products
Kinematic Viscometer Types
UBBELOHDE (ASTM & DIN)
UBBELOHDE (ASTM & DIN)
These FUNGILAB glass capillary viscometers allow measurement of viscosities using ASTM and DIN testing methods. All capillary viscometers are supplied with the calibration certificate issued in accordance with the conditions of accreditation granted by a National Metrological Register which has assessed the measurement capability of the laboratory, the test uncertainty and its traceability to recognized international standards UKAS.
UBBELOHDE ASTM (ASTM D445-446, ASTM D2515, ISO 3104-3105 and UNE 400313)
UBBELOHDE DIN (DIN 51562 Part 1, ISO 3105 and UNE 400313)
Ubbelohde Viscometers are used to determine kinematic viscosity of transparent
Newtonian liquids. Sample volume: approx. 15 ml.
Precision: ±0.2%.
* Fungilab offers many types of glass capillary viscometers that are not listed in our catalog. We can also manufacture glass capillary viscometers with customer-specified constants. Viscometers with special constants, added temps, and before/after data are available by special order.
For further information contact Fungilab.
Accessories
Today’s business world brings new challenges that demand innovative solutions. Fungilab’s aim, as a leading viscosity technology company, is to become an expertise partner in the viscosity world to offer you our best products and services.
To provide you and your customers with this necessary attention and an expertise support, Fungilab offers a wide range of products for the measuring of the kinematic viscosity of your products.
Our kinematic series include: the Höppler viscometer (falling ball), for the measurement of the low viscosity liquids in all industries; capillary viscometer series and baths, in accordance to ASTM and DIN methods, to obtain the most accurate viscosity of your liquids; and flow cup viscometers, suitable for paints, inks, varnishes and similar products.
Kinematic viscosity is a measure of a fluid’s resistance to flow under the influence of gravity. It’s defined as the ratio of the fluid’s dynamic (absolute) viscosity to its density. In other words, it describes how thick or thin a fluid is without the involvement of any external force except gravity.
DIN-compliant Ubbelohde viscometers for laboratory viscosity testing
Ubbelohde DIN viscometers are widely used for determining the kinematic viscosity of transparent Newtonian liquids in laboratories requiring high measurement precision and excellent repeatability. Their suspended-level capillary design provides consistent measurement conditions while reducing errors associated with variations in filling volume.
These instruments are commonly employed in petroleum laboratories, chemical industries, universities and research facilities where compliance with DIN methods is required.
Suspended-level capillary principle
The characteristic suspended-level design of the Ubbelohde viscometer ensures that the hydrostatic pressure remains independent of the quantity of liquid introduced into the capillary. This design improves measurement reproducibility and makes the instrument particularly suitable for high-precision laboratory work.
Typical applications
- Mineral oils.
- Lubricating oils.
- Petroleum products.
- Chemical solutions.
- Organic solvents.
- Polymer solutions.
- Research laboratories.
- Calibration and quality control laboratories.
Complete kinematic viscosity systems
For optimum performance, Ubbelohde DIN viscometers are typically used with the THERMOCAP, which provides highly stable temperature control during viscosity testing.
Fungilab also offers additional capillary viscometers, including Cannon-Fenske Routine viscometers for transparent liquids and other specialised kinematic viscosity applications.
Importance of temperature stability
Kinematic viscosity is directly influenced by temperature. Accurate DIN viscosity measurements therefore require precise thermostatic control throughout the test. Precision temperature baths ensure stable conditions and improve both repeatability and measurement accuracy.
Advantages of Ubbelohde DIN viscometers
- Excellent repeatability.
- High measurement accuracy.
- Suspended-level capillary design.
- Reduced sensitivity to filling volume variations.
- Suitable for transparent Newtonian liquids.
- Ideal for research, calibration and quality control laboratories.
Industries using Ubbelohde DIN viscometers
Ubbelohde DIN viscometers are widely used in lubricant manufacturers, petroleum laboratories, chemical industries, universities, research institutes and industrial laboratories where reliable kinematic viscosity measurements are essential.
Frequently asked questions about Ubbelohde DIN
What is an Ubbelohde DIN viscometer?
An Ubbelohde DIN viscometer is a suspended-level glass capillary viscometer designed for precise kinematic viscosity measurements of transparent Newtonian liquids according to DIN methods.
Why is the suspended-level design important?
The suspended-level design minimises the influence of sample volume on the measurement, resulting in higher accuracy and better repeatability.
Which liquids can be measured?
Ubbelohde DIN viscometers are suitable for transparent Newtonian liquids such as lubricants, mineral oils, solvents and chemical solutions.
Why is temperature control necessary?
Kinematic viscosity is temperature dependent, so precise thermostatic control is essential for accurate and repeatable measurements.
Which temperature bath is recommended?
The THERMOCAP precision bath is recommended to provide the stable temperature conditions required for high-accuracy kinematic viscosity testing.
Are Ubbelohde DIN viscometers suitable for calibration laboratories?
Yes. Their precision and repeatability make them ideal for calibration laboratories, research facilities and quality control environments.
Which industries commonly use Ubbelohde DIN viscometers?
They are widely used in petroleum, lubricant, chemical, academic and industrial laboratories performing kinematic viscosity measurements.
What are the main advantages of Ubbelohde DIN viscometers?
They provide highly accurate, repeatable kinematic viscosity measurements while minimising the influence of sample filling volume through their suspended-level capillary design.
