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Level Switches

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Level Switches and Fluid Level Switches for Industrial Process Measurement and Automation

FCI liquid level/interface switches feature thermal dispersion technology in which the temperature difference between the two RTDs is greatest in the absence of liquid and decreases when the level element is submerged, cooling the heated RTD.

An electronic control circuit converts the RTD temperature difference into a DC voltage signal. Both signals are provided at output terminals to drive two adjustable-setpoint alarm circuits.

Both alarms are independently field configurable for liquid level, interface or temperature operation. Since all process media exhibit different heat transfer capabilities, highly sensitive FCI liquid level/interface controllers may be specifically calibrated to detect difficult interfaces between fluids -- including liquids, gases, slurries and foam regardless of their physical properties.

FCI has designed and developed three standard thermal level switch product series to meet a broad range of performance and environmental application requirements. Each FCI level switch group can be distinctly identified by the following listed general instrument characteristics:

An electronic control circuit converts the RTD temperature difference into a DC voltage signal. Both of these signals are provided at output terminals and are used to drive two adjustable-setpoint alarm circuits. Both alarms are independently field configurable for flow, liquid level/interface or temperature operation.  

FCI has designed and developed four standard thermal flow switch product series to meet a broad range of performance and environmental application requirements. Each FCI flow switch group can be distinctly identified by the following listed general instrument characteristics: 

  •  FlexSwitch® Series:

For Process Temperature Changes up to ± 100° F [± 38° C]
 

Model                            Type                       Application
FLT93S Level Switch       Insertion                  Fast Response Level and Temperature Monitoring
FLT93F Level Switch       Insertion                  Ultra Fast Response Level and Temperature Monitoring
FLT93C Level Switch       Insertion or Inline     Sanitary Level and Temperature Monitoring
FLT93M Level Switch      Insertion                  Multipoint Level Monitoring

 
  • NuTec® Series:

For 2-Wire Loop Power, Non-Intrusive, Sanitary and High Purity 

Model                          Type             Application
LS2000 Level Switch     Insertion        2-Wire Loop Power, Fast Response, Flow Monitoring


 

  • BASIC Series:

For Quick Delivery

Model                                    Type            Application
FLT93B Level Switch              Insertion       Premium Level and Temperature Monitoring

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