About laboratory viscometers
Laboratory viscometers are used to measure how liquids and pastes flow. These instruments describe viscosity and show how a sample reacts to movement. The data supports research, routine testing and product quality. As a result, viscometers are important in many laboratory workflows.
They are used with oils, fuels, polymers, inks, coatings, adhesives, food products and pharmaceutical samples. Therefore, viscosity values help confirm stability, monitor production and support regulatory work.
How viscometers support testing
This category brings together several instrument families designed for different workflows and viscosity ranges. From here you can move to a suitable group and then refine your choice by spindle type, geometry, viscosity range, sample volume and automation level. In addition, these instruments can support both fast routine checks and detailed research methods.
VISCOMETER TYPES AND APPLICATIONS
- Rotational viscometers – routine and advanced viscosity measurements across a wide range of samples.
- Cone-and-plate and coaxial geometries – strong shear control and good temperature stability.
- Digital touchscreen viscometers – clear values, fast setup and easy operation.
- Capillary viscometers – reference accuracy for kinematic viscosity.
- Falling ball viscometers – viscosity measurement based on terminal velocity.
- Vibrational viscometers – fast response and very small sample volume.
- High-temperature and high-pressure systems – ideal for fuels, polymers and petrochemical products.
- Micro viscometers – designed for bioprocessing and microfluidic samples.
- Flow cups (Ford, Zahn, ISO) – quick viscosity comparison for inks and coatings.
- Stormer and Krebs units – QC control of paints and industrial finishes.
FEATURED: LABORATORY VISCOMETERS
COLO.Science laboratory viscometers combine stable speed control with robust construction. Interchangeable spindles, defined measuring steps and simple data handling help laboratories document viscosity results and compare formulations. In addition, users can maintain consistent product performance during routine QC tasks.
Standards for viscosity testing
Several standards guide viscosity measurement. For example, ASTM D445 covers kinematic viscosity of transparent and opaque liquids, and ASTM D446 supports the use of capillary viscometers. ASTM D562 describes viscosity in paints and coatings using Krebs units. In addition, ASTM D2983 defines low-temperature testing for automotive liquids. These standards help laboratories select the correct instrument, measuring geometry and operating conditions.
As the COLO.Science testing equipment portfolio grows, this category remains the main entry point for viscometers. It helps link application requirements with the most suitable viscosity measurement solution.
Viscometer
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