For more than 75 years, Brookfield Engineering Laboratories Inc. has been a global manufacturer of viscometers and rheometers for laboratory and online process control applications. The reputation of the Brookfield viscometer is built on more than just a superior scientific principle. There are more Brookfield viscometers used in industries worldwide than any other viscometer. Laboratory viscometers and rheometers include dial reading (analog) and digital display models, of which several are programmable. Online process control viscometers include probe, in-tank, in-line, and flow-through models.