Precision GPS Timing and Power Measurement Solutions
Analyze the Timing Signal
Reads, analyzes, and sources IRIG-B, DCF77, and 1 PPS. The comprehensive instrument for power substation timing.
Affordable Synchrophasor Powerhouse
Model 1133A combines GPS based precision timing with built-in power measurement functionality to create an IEEE C37.118 compatible PMU for the electric industry.
Handheld Power System Multimeter
Model 928A packs critical functionality in a small, easy to use package for power engineers in the field. Measures power and energy, flicker, harmonics, phase angle, with a waveform display.
Assembled Test Leads
Standard and custom test leads to meet any connectivity challenge. Choice of wire type, shielding, lengths and connectors allow for hundreds of combinations.
November 11, 2025 Motorola/iLotus 12 Channel Receiver Maintenance Advisory
Maintenance requirement for all Motorola/iLotus M12M GPS receivers. more info »
September 25, 2025 Model 1201 Document Update
Name : Model 1201B/C Quick Setup Guide
Version : G
Released : 25 September 2025 more info »
September 25, 2025 Model 1200 Document Update
Name : Model 1200B Quick Setup Guide
Version : D
Released : 25 September 2025 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 27, 2026 Anatomy of a Blackout: Findings from the Spain-Portugal Grid Collapse Final Report
An analysis of the European Network of Transmission System Operators for Electricity (ENTSO-E) Expert Panel’s final report on the April 28, 2025, Iberian Peninsula power grid incident. more info »
December 22, 2025 NIST contemplated pulling the pin on NTP servers after blackout caused atomic clock drift
Time signals shifted by a tiny amount that only very sensitive users would find upsetting more info »
December 3, 2025 Indian government reveals GPS spoofing at eight major airports
India’s Civil Aviation Minister has revealed that local authorities have detected GPS spoofing and jamming at eight major airports. more info »
Quick Model Search
Timing Signals Overview
Basic information about timing signals and how to connect them to your IEDs. Common questions concerning connecting timing signals include:
• What are the different types of IRIG-B, and what are the differences?
• How do you connect multiple devices to one timing output?
• How far can you transmit timing signals?
• What kind of cabling and connectors should I use?