Applied Electrical Metrology Group

News

New AC Voltage Devices: Factor of Three Improvement in Uncertainty

June 18, 2013

After years of effort and scores of iterations, PML researchers have developed a new generation of devices that can...

Physicist Richard Steiner adjusts the electronic kilogram, an experimental apparatus for defining mass in terms of the basic properties of nature.

NIST Improves Accuracy of 'Watt Balance' Method for Defining the Kilogram

September 13, 2005

GAITHERSBURG, MD—A leading experimental method for defining the kilogram in terms of properties of nature is now more...

Projects and Programs

AC-DC Difference

The NIST ac-dc Difference Project provides U.S. industry with the essential link between ac and the corresponding dc electrical standards via a world-class...

Electric Power Metrology and the Smart Grid

Our country's way of life depends on the electric power distribution system. Keeping the national electric grid in good working order -- and ensuring power is...

Contact

Group Leader

Gerald J. FitzPatrick

gerald.fitzpatrick@nist.gov

(301) 975-8922
Fax:
(301) 926-3972