Deadweight testers are superior to all digital systems. Use the deadweight testers as your company's primary standard or to calibrate very critical pressure gauges as in custody transfer applications.
Mansfield & Green introduced the deadweight tester based on the "floating ball" principle in 1966. This deadweight tester is an extremely easy-to-use, reliable and accurate primary standard and is now earning its reputation as the "standard of standards."
Typical deadweight tester applications are: