Precision GPS Timing and Power Measurement Solutions
Precision Timing for Rugged Environments
Designed for outdoor and industrial markets, Model 1095C delivers reliable timing in a small, easy-to-mount enclosure.
Synchronized Power Measurements
Combine GPS Satellite precision timing with advanced power measurement capabilities in a single unit - affordable and powerful technology in rack mount or portable flavors.
Power Measurement and Calibration
Advanced Power Measurement and Calibration units with the power for the toughest jobs, and the portability required by professional power engineers in the field.
Assembled Test Lead Model 816C Spade Lug Current Lead Sets
Quality construction with gold plated spade lugs, Model 816 cables are as a set or individual cables.
January 12, 2024 New power cord available for the 1200 series GNSS clocks
The new power cord for the Models 1200B, 1201B/C, 1202B/C, 1205B/C, and the 1206B/C allows connections to an IEC320 C14 female socket. It has a male IEC320 C14 plug on one end and the clock power supply mating connector on the other. See our website for pictures and additional details. more info »
September 29, 2023 Model 931A Document Update
Name : Model 931A Manual
Version : V
Released : 28 September 2023 more info »
July 14, 2023 New Product - Model 843A/844A/844B Mini Test Jack Isolator Paddles
Same basic design as the Model 841A/842A/842B but smaller for the mini test switches. more info »
May 31, 2023 Model 1205 Firmware Update
Name : 1205_1206_Firmware
Version : 01.34 Rev 16May2023
Released : 16 May 2023 more info »
April 15, 2021 Presentation: Time in the Power Industry: How and Why We Use It
Arbiter Systems engineer Bill Dickerson delivers a talk to the IEEE North Jersey section on the use of precision timing in the power industry.
Topics covered include:
-Applications of precise time
-Accuracy requirements
-Time scales, time zones etc
-Sources of precise time
-Methods of timing distribution
-Problems sometimes encountered and how to avoid them more info »
March 1, 2024 China had "persistent" access to U.S. critical infrastructure
China-backed hackers have had access to some major U.S. critical infrastructure for "at least five years," according to an intelligence advisory. . . more info »
November 13, 2023 Experts Warn of Massive Blackouts Across America
The North American Electric Reliability Corporation's (NERC) 2023–2024 Winter Reliability Assessment finds that much of North America is again at an elevated risk of having insufficient energy supplies to meet demand in extreme operating conditions. more info »
November 6, 2023 Leap seconds could become leap minutes...
Already endangered, the leap second might have a practical successor soon. 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.