The ASTM E662 NES 711 Flammability NBS Smoke Density Test Chamber is engineered for precise evaluation of smoke generation and optical density in plastic materials under controlled fire conditions. This advanced testing system supports both ASTM E662 and ISO 5659-2 standards, providing critical data for material safety compliance in demanding applications.

• Integrated body with 19" analysis rack for space efficiency
• 17" touch screen panel PC for complete control and automated testing
• Air cylinder sample loading system with high contamination resistance
• Chemical-resistant coating for easy cleaning and maintenance
• Advanced chamber door locking mechanism
• Precision transmission rate and smoke density measurement
• Chamber preheat system for enhanced test accuracy
• Safety blow-out panel for pressure protection
• Toxic gas measurement ports with heated filter and line
• Mass Flow Controller and Differential Pressure Transducer for automatic leakage testing
• Portable water cooling system (no plumbing required)
• High-accuracy load cell for mass loss rate measurement
• SB 2005 DAQ Program for comprehensive data acquisition

• Laboratory and user identification information
• Specimen conditions and test parameters
• Time from test start (seconds)
• Transmission percentage and specific optical density
• Maximum Ds values and time to maximum Ds
• Correction Ds calculations
• Current range settings and filter positions
• Mass measurements for ISO 5659 compliance