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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3. Pictures of Test 2
*The sensor cables locations (FTLD & Protecto) are same as 1st test.

* The location of fire cables moves to 1300mm from ground.

* Ignition of the fire cables is done by gas torch.

* Fire started after 7 minutes of cable ignition.		 Pic2-1
FTLD detects 7°C of temperature change after the fire started Pic2-2
*This picture shows that the inside of culvert tunnel was filled with gas and smoke after fire eruption making it difficult to find out the location of fire by people.
This explains that the early detection of temperature change is necessary.		 Pic2-3
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