The roof burning test system evaluates fire resistance performance under simulated real conditions, classifying samples into grades A~C at test distances of A:1.82m, B:2.4m, and C:3.9m. This instrument also assesses flame retardant performance of photovoltaic cell components.

• UL 1730: Smoke Detection Monitors for Individual Dwelling Units
• UL 790: Standard Methods of Fire Tests for Roof Coverings
• IEC 61730-2 Annex A: Photovoltaic Module Flame Tests
• ASTM E 108-04: Standard Methods of Fire Tests for Roof Coverings

• Plywood roof covering materials: 1,300 × 1,000 × 120 mm for sample installation
• Non-combustibility test board for test termination
• Stainless steel fan control board with adjustable test angle
• Corrosion-resistant steel main frame bracket
• Non-combustible plate assembly for flame simulation
• Air flow rate: 19 ± 8 km/h (5.5 m/sec) with anemometer monitoring
• Separate ventilation pipes with honeycomb filter and guide vanes
• Stainless steel ventilation ducts: 2,130 × 762 × 3,000 mm
• Variable speed inverter: 0-100% adjustable
• Gas burners for intermittent fire testing with 22,000 Btu/min capacity
• Automatic ignition system with 1.8kVp mass flow controller
• Temperature control: Class A/B: 760±28°C, Class C: 704±28°C
• High precision pressure gauges and pressure regulating valves
• Metallic mesh support materials with rotating pallets

• Computer control system with specialized LabVIEW software
• 10.2" LCD screen display interface
• Data acquisition using National Instruments (NI) hardware
• 16-bit thermocouple input module for temperature monitoring
• 16-bit A/D conversion input module
• Data input/output module with 12-bit A/D conversion output
• 4 and 8-slot backplane configuration
• LabVIEW/Ethernet network module connectivity
• Gas burner temperature control: 880±10°C adjustable