Manufacturing Cone & Plate Viscometers, Petroleum-process Viscometers, Vapour-pressure Analysers, Colour Monitors and Opacity Monitors
What Our Customers Tell Us They Need
ACCURACY
Technologically advanced viscometers & PPAs, built to the most exacting tolerances, providing ultra-accurate results.
RELIABILITY
Top-class engineering designed to provide accurate results time and time again. Easy calibration and set-up to ensure reliability.
AFFORDABILITY
Advanced viscometry & PPAs, competitively priced, proving that you do not need to compromise on quality.
Our Viscometers and Physical Property Analysers were developed years ago by some of the biggest names in the business – and we have been improving them year upon year. They were the best then, and they are even better now.
– Dr Mark Turpin (ATAC Director)
ATAC – A History of Measuring Viscosity

An earlier REL C&P Viscometer
ATAC is the latest brand associated with some of the greatest names in measuring viscosity. Although the names may have changed over the years, the products have maintained the same rigour for quality and precision engineering.
Hallikainen process viscometers were first developed 70 years ago for the growing oil and gas business. Such was their dominance, Hallikainen became the trade name that was interchangeably used for a capillary viscometer in oil field service. In simple terms, a process viscometer was a ‘Hallikainen’. The company changed hands over the next few decades, and was owned by some very notable names, such as GEC Elliot (UK), Fisher Controls, Fluid Data, Rotork Analysis, Sysco Analytics, and finally, ATAC.
REL was born out of ICI, who had developed the Cone & Plate Viscometer. For many years, REL was a by-word for this type of laboratory viscometer. In 2013, ATAC acquired REL and upgraded the design of this market-leading viscometer. The current Nµ-line range was developed from the REL viscometer, bringing this famous brand’s technology into the 21st century.
Rotork Analysis acquired Hone in the 1990s, which in turn was acquired by ATAC. Hone was already famous for their physical property analysers. So much so that, like Hallikainen and REL, Hone became the trade name associated with many types of PPA.

The Up-graded Nµ-line C&P Viscometer
Masters of Viscometry & Physical Property Analysis
We have a long and proud tradition of world-renowned Viscometry and Physical Property Analysis. We are a British manufacturer with a great pedigree – 70 years of market-leading technology. We are ISO 9001 accredited, and all our PPAs are ATEX compliant.



Your Requirements Met
We are skilled at meeting your needs. We can ensure that you get the best of advice – so that you know exactly what you need to fulfil your requirements.
















