UL 1666 Cable Installed Vertically in Shafts Fire Testing Machine

UL 1666 Cable Installed Vertically in Shafts Fire Testing Machine

Model: FTech-UL 1666 
Testing Standards                                   
UL1666, ANSI/ASTM D 5207 & UL 1581, ANSI/ASTM D 5025
UL1666<<Test for flame propagation height of electrical and optical-fiber cables installed vertically in shafts>>
 
Parameters                                      
1. U-type pressure gauge: measuring chamber pressure maintained at 0-12PA;
 
2. Hygrometer: measuring chamber temperature and humidity;
 
3. The structure of the chamber: the overall structure of the concrete wall by the brick, the first layer is 1.22M, the second layer is 3.66M, the top is 2.24M. External dimensions: 7.12M high x1.3M wide x2.5M long;
 
4. The wall structure is a density of 106lb / ft3 (1698kd / m3) of concrete, the thermal conductivity (k) at 21.1 ºC for the 0.38Btu (0.055W / mk);
 
5. The first and second layer by the 203mm thick ordinary weight of the cement composition.Roof is made of wall to ensure its tightness;
 
6. The measuring hole in the second layer must be above the vertical hole of the first layer measuring hole (305mm by 610mm), each hole is 203mm behind the box and 102mm from the side of the box