About Us


  • Synchrophasor (PMU) measurement and analysis
  • Network Time Protocol (NTP)
  • Event Timing
  • Grid Wave Fault Detection
  • Frequency Monitoring
  • Time Code Distribution
  • Power Quality Measurement

Arbiter Systems® Inc. manufactures GPS based precision time clocks, synchronized power measurement and power calibration products, designed to support industries where precision timing is mission critical. Applications include synchrophasor measurements, synchronized power measurements, computer network time synchronization (via NTP or PTP), event timing and other electric utility support. These products enable the power distribution industry to deliver safe, reliable and economical power to end users globally. Designed, assembled and serviced by Arbiter, these solutions provide the backbone for professional monitoring, measurement and analysis of power system performance.

Pioneers in GPS satellite-based precision timing products since 1976, Arbiter continues to push the market forward by introducing synchrophasor support into it's product line. Synchrophasors are used to measure voltages and currents across diverse power grid locations providing synchronized comparison of two quantities in real time, and have become a key tool in the management of power quality. Model 1133A is a Phasor Measurement Unit (PMU) designed to provide the measurement and analysis of synchrophasor data.

Backed by a limited lifetime warranty to the original owner/purchaser, Arbiter timing products provide long term reliability within the most demanding environments. The technical support and engineering resources maintained by Arbiter ensures power management professionals with timely and accurate responses to user-specific challenges.

Arbiter's full line of solutions also include power calibration and measurement products as well as stock and custom test leads.

Arbiter Systems®, Inc. offers many options and accessories to extend and augment the capabilities of our products. Contact the Sales Rep in your area or technical support to assist you determining the best solution to your needs.

Arbiter Systems® products are engineered, manufactured and serviced at our US based facility in Paso Robles, California.

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(US, Canada, Mexico only) 800.321.3831 +1.805.237.3831


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