This force generator is the largest of the six NIST deadweight machines. It generates twenty equal forces in increments of 222 kN (50 klbf). These forces are applied one-at-a-time as the lifting frame is raised by the hydraulic jack. This machine is used by the Mass and Force group to disseminate the unit of force in the range of 222 kN to 4.448 MN, and to perform research on force sensor characteristics.
Manufacturing Metrology Division
Free use of this photo is restricted to materials that
describe NIST programs directly. Copyright is owned by the photographer. To
receive a copy of the photo for use describing NIST programs
contact Beamie Young. To use the photo as stock photography
contact: Robert Rathe Photography, 9125 Kristin Lane, Fairfax, Va., 22032,
(703) 425-3442.
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