NIST's Remote Time and Frequency Measurement Service

Delivering Quality Assurance to Labs Worldwide


August 23, 2018

What is this Service?

NIST provides laboratories around the world with convenient, continuous access to top-quality time and frequency measurements.

These services compare the performance of a customer’s instruments and products to the U.S. standards maintained by NIST. Customers consider this measurement assurance to be essential to their daily operations.

How do NIST's remote time and frequency calibration services work?

NIST sends the customer reliable, user-friendly electronic equipment, which contains elements such as a GPS receiver and a hardware clock.

This equipment:

The NIST equipment records results continuously so customers can establish traceability to the International System of Measurements (SI) without moving their in-house standards, reducing their costs.

NIST staff add value by:

  • monitoring the measurements

  • answering questions and providing technical support

  • helping customers get the most out of the system

Who uses these services?

Customer labs are located at:

NIST's remote customers are:

Statistics shared in this infographic are from a paper, "The Reach and Impact of the Remote Frequency and Time Calibration Program at NIST," written by Michael A. Lombardi.

Learn more about NIST's Time and Frequency Services.


Created August 23, 2018, Updated September 10, 2018