Arbiter Systems®, Inc.

Precision GPS Timing and Power Measurement Solutions

Best-Selling GPS Satellite Controlled Clock

Value, features and ease of operation makes Model 1093BC the top selling precision clock worldwide.

Arbiter News

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February 26, 2015
Model 1084 Document Update
Name : Model 1084A/B/C User Manual
Version : AH
Released : 06 January 2015
more info »

November 10, 2014
Model 1133A Firmware Update
Name : 1133_Firmware
Version : 10Nov2014 Rev 4.31
Released : 10 November 2014
more info »

November 5, 2014
Model 1133A Document Update
Name : Model 1133A User Manual
Version : R
Released : 05 November 2014
more info »

November 5, 2014
Model 1073 Document Update
Name : Model 1073A User Manual
Version : F
Released : 05 November 2014
more info »

October 9, 2014
Model 1093 Document Update
Name : Model 1093B/C Data Sheet EspaƱol
Version : C
Released : 09 October 2014
more info »

Industry News

February 5, 2015
Siemens ICS Switches Hit With Buffer Overflow, Authentication Bugs
There are a number of serious vulnerabilities in the Siemens Ruggedcom WIN switches, including a remotely exploitable buffer overflow and a flaw that could allow an attacker to take actions on the device without authentication.
more info »

November 26, 2014
Siemens Patches WinCC Vulnerabilities Likely Being Exploited
Global industrial supplier Siemens has patched two critical vulnerabilities that it believes are likely being exploited. Organizations running products using the Siemens WinCC application are urged to apply available patches immediately; the company said it is working on updates for any remaining affected products.
more info »

November 24, 2014
NSA director: China can damage US power grid
China and "one or two" other countries are capable of mounting cyberattacks that would shut down the electric grid and other critical systems in parts of the United States, according to Adm. Michael Rogers, director of the National Security Agency and head of U.S. Cyber Command.
more info »

Upcoming Events

PowerTest 2015
Mar 2, 2015 - Mar 5, 2015
Nashville, TN
Booth #309
more info »

International Conference of Doble Clients
Mar 22, 2015 - Mar 27, 2015
Boston, MA
Booth 12
more info »

2015 Georgia Tech Protective Relaying Conference
Apr 29, 2015 - May 1, 2015
Atlanta, GA
Booth number to be determined
more info »

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What is Accuracy?

When manufacturers use accuracy values to define the performance of their products, consumers should have confidence that, in fact, the products do perform to the stated levels. However, that is not always the case. This paper takes a look at several misconceptions about "accuracy" - particularly within the measurement and control markets of the electric utility industry - and discusses various methodologies that can be adopted to justify claims and ratings.

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