Skip to main content
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.

Gaithersburg

Atomic Thermometers

The Atomic Thermometers program aims to establish primary, quantum-based sensors of both radiative and thermodynamic temperature in the range 250 K – 400 K

About Us

Management Resources is committed to providing comprehensive institutional support services that enable NIST and its organizational units to...

Basic Metrology: Gas Counting

Radioactive gases such as 3H, 85Kr, 133Xe, and 135Xe are important in applications including fusion and fission reactors, environmental monitoring, treaty

Cryogenic Decay Energy Spectrometry

Cryogenic detectors provide some of the highest energy resolution spectra available, due to their intrinsic low thermal noise. The NIST cryogenic decay energy

Liquid Volume Calibration Facility

Summary The United States consumes approximately 1,200 metric tons of petroleum annually, which equates to 11 liters per person per day. Half of this petroleum

OWM Info Hours

OWM hosts a series of Information Hours, or "Info Hours," to feature current weights and measures, laboratory metrology, or documentary...

Recorded Webinars and Training Videos

OWM develops and delivers a wide range of legal metrology, metric, and weights and measures recorded webinars and training videos that can be used for training and continuing education, both in a formal setting and through self-study.

2068 Mass Metrology Seminar

Mon, Oct 19 - Fri, Oct 30 2026
The Mass Metrology Seminar is a two-week, "hands-on" seminar. It incorporates approximately 30 percent lectures and 70

2064 Calibration Method Validation

Thu, Aug 13 2026, 2:00 - 4:00pm EDT
This 2-hour webinar on Calibration Method Validation will examine the ISO/IEC 17025:2017 requirements for selection of

2066 Fundamentals of Metrology

Mon, Jul 27 - Fri, Jul 31 2026
The 5-day Fundamentals of Metrology seminar is an intensive course that introduces participants to the concepts of

2065 Volume Metrology Seminar

Mon, Jul 6 - Fri, Jul 10 2026
The 5-day OWM Volume Metrology Seminar is designed to enable metrologists to apply fundamental measurement concepts to

2059 Basic Uncertainty Concepts

Thu, May 28 2026, 2:00 - 4:00pm EDT
This 2-hour webinar provides a very basic introduction to uncertainty calculations and reporting using the 8-step

Manufacturing in America

The “Manufacturing in America” infographic highlights how manufacturing contributes to our nation’s economy, employment, and innovation and...
Was this page helpful?