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TrueTime Symmetricom XL-DC FTM-III AC Line Frequency Measurement & Time Monitor, US $1400 – Picture 0
TrueTime Symmetricom XL-DC FTM-III AC Line Frequency Measurement & Time Monitor, US $1400 – Picture 1
TrueTime Symmetricom XL-DC FTM-III AC Line Frequency Measurement & Time Monitor, US $1400 – Picture 2
TrueTime Symmetricom XL-DC FTM-III AC Line Frequency Measurement & Time Monitor, US $1400 – Picture 0
TrueTime Symmetricom XL-DC FTM-III AC Line Frequency Measurement & Time Monitor, US $1400 – Picture 1
TrueTime Symmetricom XL-DC FTM-III AC Line Frequency Measurement & Time Monitor, US $1400 – Picture 2

Truetime Symmetricom Xl-dc Ftm-iii Ac Line Frequency Measurement & Time Monitor

US $1400

  • Fairfax, Virginia, United States
  • Jan 29th
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TrueTime Symmetricom FTM-III Frequency Monitor Module for XL-DC Was $1,295 • Used, Good Condition This was removed from a working XL-DC unit.  It is not thought to be compatible with other devices. Description The Frequency and Time Deviation Monitor (FTM) option is specifically designed for power utilities to monitor power line stability. When installed this option samples one phase of the 50 Hz or 60 Hz frequency supplied from the user's power line and provides frequency and time information. The FTM provides an accurate measurement of the local line frequency relative to the GPS-disciplined reference frequency. The results of this measurement are reported as System Frequency and Frequency Deviation from nominal. Additionally, by continual integration of the measured frequency error, time information is derived from the frequency measurement. From this integration, accumulated Time Deviation from nominal and System Time are calculated. Accumulated Time Deviation represents the amount of time a clock would gain or lose if it used the measured line frequency as its timekeeping reference. The FTM processes the incoming line frequency on a cycle-by-cycle basis, performing frequency comparison and calculations over single second periods continuously with no dead time between measurements. Powered by eBay Turbo Lister The free listing tool. List your items fast and easy and manage your active items.
Condition Used :
An item that has been used previously. The item may have some signs of cosmetic wear, but is fully operational and functions as intended. This item may be a floor model or store return that has been used. See the seller’s listing for full details and description of any imperfections.
Seller Notes “Removed from a working unit so believed to be fully functional but I don't have the facilities to test this type of card. I will cheerfully take a return if it doesn't work as it should. This was removed from an XL-DC clock. Compatibility with other TrueTime devices is not guaranteed (and is thought to be unlikely).”

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