Nuclear Obsolescent Replacement Products


Nuclear Obsolescence Replacement Products





  Pyragon, Inc. your source for Form, Fit and Function of many Alarms and Transmitters in the Nuclear Industry.

  Pyragon, Inc. currently owns the transmitter and alarm product lines formerly made by Transmation of Rochester, NY.  This includes models in the 200/300/500/600/900/3000 series.  

  Many of these products are used in the original control systems of nuclear power plants.  The original designs of these products are generally obsolete.  However Pyragon has re-engineered these products and has form, fit and functional replacements of many of these items using updated electronics.  

  In addition to the obsolete Transmation items, we have also engineered replacements for alarms and transmitters made by Fisher Controls, Fischer & Porter, RIS, AGM and many others.  Many if these items are the same as the original design, but have added circuitry to better withstand transient bursts and surges, not just on power lines but on the signal lines as well.  Additionally we have minimized the use of electrolytic capacitors for better reliability and improved ambient temperature stability for less drift and therefore less need for routine calibrations.

  With these new re-engineered designs the user gets the advantage of a form, fit and functional drop in replacement, while getting the advantage of newer technology that provides a superior performance as compared to the original product.  All of this is provided in a design that includes no microprocessors or embedded software eliminating the need for software verification testing.  

  If you don’t see the model you are looking for in this brochure, contact us and we can discuss your needs and possibly provide and engineered replacement.


You can click on a model name below to learn more about that product:

         



Original Model               
Pyragon Replacement Model
Transmation 610T-27
610TN-27-99 Thermocouple Transmitter
Transmation 330T and 330IT
330T-P and 330IT-P Millivolt Isolator/ Transmitter
 Transmation 900F Square
Root Extractor
900F-P Square Root Extractor
 Transmation 350T
350TN
Transmation 210A/ 220A
210AN Current Alarm/ 220AN Dual
Transmation 310A / 320A
610AN Thermocouple Alarm
 Fisher Controls
LS-121
LS-121-P Signal Isolator
 Fischer & Porter Models
55PA1000 and
55PA2000 Alarm
stations in Versa Mount
Case
55PA2000-P.1
Process
Alarm
Station

AGM Model
DCT-TA-4000-13
Current-to-Current
Isolator Station
DCT-TA-4000-13-PX
 AGM Model
ACM-TA-4006
Square Root Extractor
ACM-TA-4006-P.1
Square Root Extractor

 AGM Models
SSM-A-4010l, 4010M and
4010H
SSM-A-4010-P.1
High/ Low
Selector

 AGM Model
ACM-TA-4005
ACM-TA-4005-P.1
Adder/Subtractor Station

Rochester Instruments
PTA215
Dual process Alarm Relay
PTA-215-P.1
Rochester
Instruments
SC-1330
Square Root Extractor

SC-1330A
Square Root Extractor




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