Mansfield & Green, also known as M&G, introduced the deadweight tester based on the “floating ball” principle in 1966. The deadweight testers are extremely easy-to-use, reliable and accurate primary standard. Today the deadweight testers from Mansfield & Green earn their reputation as the “standard of standards”.
The range of products supplied by Manfield & Green includes pneumatic deadweight testers, hydraulic deadweight testers, digital pressure calibrators, dial gauge comparators, digital handheld test systems along with pneumatic and hydraulic pumps.