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| Brand | FTT |
|---|---|
| Origin | United Kingdom |
| Model | NBS |
| Compliance | ASTM E662, ASTM F814, ISO 5659-2, NFPA 258, BS 6401, GB/T 8323, IMO FTPC Part 2, NES 711 |
| Chamber Dimensions | 914 mm × 914 mm × 610 mm (L×H×W) |
| Radiant Heat Flux Range | 10–50 kW/m² (calibrated at 25 kW/m² ±1 kW/m²) |
| Optical System | 6.5 V Tungsten Lamp + S-4 Spectral Response Photomultiplier Tube (dark current <10⁻⁹ A) |
| Light Beam Transmission Accuracy | 0.01% |
| Optical Density Resolution | 0.01 |
| Mass Loss Measurement Accuracy | ±0.1% |
| Timer Resolution | 0.1 s |
| Cone Heater Power | 2600 W |
| Thermocouples | Dual K-type armored (Cu/Alumel) |
| Heat Flux Meter | Thermopile-based, calibrated to ±1 kW/m² at 25 & 50 kW/m² |
| Ignition | Horizontal single-flame burner (30 mm ±5 mm), spark-ignited without chamber opening |
| Brand | FTT |
|---|---|
| Origin | United Kingdom |
| Model | ABD0031 |
| Application | Integrated with NBS-type smoke density chamber for aircraft cabin material qualification |
| Core Components | Vacuum chamber, vacuum pump, manual metering pump, gas analysis detector tubes |
| Compliance Context | Airbus ABD0031 specification, ASTM E662, ISO 5659-2, FAA AC 20-135, EN 45545-2 |
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