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The FTT ‘Smoke Density Photometric System’ (DIN 50055) is designed to be used in conjunction with equipment that measures smoke from burning materials. The unit can be fitted to several instruments such as the Room Corner test, (ISO 9705), Single Burning Item (SBI) (EN 13823), Heat Release and Smoke Production Apparatus for IEC 60332 Part 3 (EN 50339), Steiner Tunnel (ASTM E84) or Flooring Radiant Panel (EN 92391) etc.
The apparatus consists of:
• Light Source
• Light Measuring System
• Control Unit
The Light Source is a gas filled tungsten filament lamp. Power for the lamp is provided by a regulated power supply housed in the Control Unit.
The LightMeasuring Device consists of:
• Achromatic system of lenses
• Silicon photoelectric cell
• High gain low noise amplifier
