Utility Systems, Inc.

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New Product Releases Spring of 2006:
There have been several new developments this year.
Phase Measurement Software
Trip Indicating Relay
Lightning Correlation

USI Manual Addendum Released May 2006
An addendum of the USI product manual has been completed with helpful illustrations of new features in our software.
USI Website Updates May 2006
We have redone our website with new graphics and better illustrations of our products!  
USI download passwords have changed.  Call or email us for new passwords for the latest downloads.
A helpful service directory has been added with a phone and email list.
Utility Systems Inc. Announces Organizational Changes on February 1, 2005
Click on the following link for details. Press Release " 
New Product Release
On December 1, 2002 USI released its first stand alone sequence of event recorder.  The unit has been designated as the Model 3002.  The model 3002 can also be interfaced to the Model 2002 DFR or the Model HT-2000W DFR. 
New Product Release
On June 1, 2002 USI released the next generation multi-function digital fault recorder.
The unit has been designated as the Model 2002. 
Continuous RMS Recording For HT-2000W
On January 7, 2002, USI released WinDFR Version 2.1.2 software capable of continuously recording RMS values for each analog channel, up to 30 days. Both Continuous RMS Recording and Continuous Frequency Recording can operate at the same time. The user of Master software (Version 2.1.2 or later) can retrieve the RMS values for any time slice during the last 30 days.
Continuous Frequency Recording For HT-2000W
On December 13, 2001, USI released WinDFR Version 2.0.9 software capable of continuous recording frequency values for each analog channels for up to 30 days.  The frequency value accuracy is better than 2 milli-hertz. The user friendly Master software (Version 2.0.9 or later) can retrieve the frequency values from 1 minute to as long as 30 days in one single COMTRADE file.  The WinDFR will automatically compress the data to a maximum size of 1.2 MBytes before transferring the file.