Providing Innovative Sensors for over 25 Years
Xco International Incorporated
 1082 Rock Road Lane/Unit A, East Dundee, Illinois 60118, USA
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WHAT is   
a CONTINUOUS   
THERMOCOUPLE? •
 
COMPARISON   
of LINEAR   
HEAT DETECTORS •
 
APPLICATIONS •
 
SYSTEM DESIGN •
 
FM CLASSIFICATION •
FTLD   
PERFORMANCE   
RESULTS •
 
WHAT is R.O.C.   
and WHY IS IT   
THE BEST WAY TO   
DETECT AN OVER-HEAT   
CONDITION BEFORE   
A PROBLEM GETS   
SERIOUS? •
 
WHY? •
 
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FTLD™ - System Specification & Options


Carefully define your application to ensure the most appropriate equipment
Advantages
Specification
Self-generating temperature sensor
Measures maximum temperature
Initial site temperature check not needed
Visible operating status
Optional rate of change alarm (same unit)
Alarm settings directly in degrees
Alarms can be set before installation
Interchangeable sensors
Sensor not microphonic
System check facility in sub zero band
Alarm units for mains power or low voltage
Sensor need not be near alarm unit		 Protective sheath:  
Measuring element:  
Sensor output:  
Normal operating range:  
Survival range:  
EMI protection:  
Insulation:  
Minimum bend radius:  
Construction:  
Sizes:  
Minimum length:  
Hazardous area use:  		 Dual layer PTFE
Type "K" thermocouple - insulated
Millivolts DC related to maximum cable temperature
(-29) to 80°C ( (-20) to 176°F )
(-40) to 200°C ( (-40) to 392°F )
Twisted cores & metallised tape tube
Glass fibre impregnated with special insulating material
40 mm
Twisted pair, NTC insulation, EMI screen, outer sheath
3.5mm O.D. approx. Cut to length as required
15 meters
Measuring element is "Simple Apparatus"
FTLD
The product is called FTLD (Flexible Thermocouple Line Detector) and it is a cable which is placed where you want to detect a overheating or fire. For example on a cable ladder in a tunnel.
It is very easy to install, and can be mounted on the same cable ladder as the rest of the cables in the tunnel.
The unique feature of FTLD is that it gives you the highest surrounding temperature even if it is present only on a short part of the total cable length.		 Tunnel Cable
FTLD cable in tunnel roof

Haugesund Process Control as FTLD System for Tunnel Temperatur Varsling. Enkel sløyfe.
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CT²C, FTLD and Continuous Thermocouple are registered trademarks of
Xco International Incorporated.
World-wide patents pending...