U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Physical Measurement Laboratory /Quantum Measurement Division

Applied Electrical Metrology Group

The Applied Electrical Metrology group supports the nation's infrastructure by providing calibration services in the general areas of AC and DC voltage, current, phase and power. As part of this mission, the group maintains an active research program in precision measurement systems based on quantum voltage standards to support calibration services within the group.

watt meter
Electric Power Metrology and the Smart Grid
Quantum Waveform Metrology equipment
Quantum Waveform Metrology
applied electrical metrology group collage
Various projects from across the Group

News and Updates

Projects and Programs

thermal converter

AC-DC Difference

Ongoing
The NIST Ac-dc2 Difference Project performs leading edge measurement services and research for ac-dc difference measurements and dc voltage metrology. We
modulation

Quantum Waveform Metrology

Ongoing
Practically all measurable physical phenomena are eventually transformed into corresponding electrical representations. The transduction of a signal into its

Publications

View All Publications

Awards

2008 APS Fellow - Richard Steiner

For his contributions to the development of the NIST Watt Balance, and landmark measurements of the Planck constant, the electron charge

Contacts

Group Leader