VISCOlab Laboratory Viscometers

High Accuracy. Small Samples.

Accuracy is essential when measuring fluid viscosity. Investigators need tools that are reliable, easy to use, and that integrate easily into a wide range of laboratory settings. In addition, because fluid samples are often expensive and in scarce supply, it is important for viscometers to deliver accurate results using very small amounts of sample.

Cambridge Viscosity’s VISCOlab products deliver all the capabilities you need:

  • Accurate results
  • Low-maintenance/high-performance operation
  • Small footprint, small sample
  • The peace of mind that comes from choosing a vendor with nearly a quarter-century of experience and more than 8,000 installations worldwide

The VISCOlab family of laboratory viscometers

high pressure viscometer


Designed for high pressure viscosity analysis, the VISCOlab PVT is the instrument of choice in oil exploration, core analysis, supercritical fluids, and analysis of dual phase liquid/gas systems. It is available in two configurations. The VISCOlab PVT High Pressure Recirculating Bath System controls temperature from -30 to 190º C with a recirculating bath for minimal warm-up time, and includes an intuitive graphical user interface. The VISCOlab PVT High Pressure Air Circulation System incorporates an isothermal oven to control temperatures from 45 to 190º C.

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small sample viscometer

Small Sample Viscometer:

VISCOlab 4000

The VISCOlab 4000 supports up to 12 viscosity ranges, up to 10,000 cP, while requiring less than 2 ml of sample. It provides accurate measurements at near-ambient temperatures, and comes with an optional jacket for temperature control with a re-circulating bath. This enables accurate viscosity measurements from -40°C to +110°C. The VISCOlab 4000 features sophisticated electronics that allow users to define temperature/viscosity display units, data averaging interval, and density. It also contains an RS232 interface to make it easy to output data to a PC.

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temperature controlled viscometer

Temperature Controlled Viscometer:

VISCOlab 3000

Ideally suited for high-temperature tests where a separate water bath system is impractical or absent, the VISCOlab 3000 features integrated electronic temperature control. This allows it to deliver accurate measurements at any setting from slightly above ambient to 356°F (180°C) – and with the possibility of extending to -40°C from ambient with the optional cooling jacket. The sensor supports 13 different 20:1 viscosity ranges up to 20,000 cP, and provides continuous viscosity, temperature, and temperature-compensated viscosity readings with less than 1.5 ml of sample.

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Custom Products

Cambridge Viscosity is committed to solving the diverse and challenging viscosity measurement requirements of its customers. Our engineers are able to develop specialized instrumentation, sensors, and software to solve the most critical demands. For example, we have created sensors designed for high-temperature conditions that can operate at over 375°C, corrosive-resistant sensors, and systems that comply with rigorous 3A sanitary conditions.

We invite you to contact us with your special requests.