| Categories | Building Materials Flammability Tester |
|---|---|
| Brand Name: | SKYLINE |
| Model Number: | SL-7602 |
| Certification: | CE |
| Place of Origin: | China |
| MOQ: | 1 unit |
| Price: | negotiated |
| Payment Terms: | T/T, L/C, Western Union, MoneyGram |
| Supply Ability: | 1 unit/ month |
| Delivery Time: | 10 work days |
| Packaging Details: | plywood case |
| Standards: | NBS ENS711 of ASTM E662 etc. |
| Relative humidity: | 50±5℅ |
| Smoke box size: | 914mm * 610mm * 914mm (L×W×H） |
| Power Supply: | 3-phase is 380±10%V/AC, 50Hz |
| Temperature of sample: | 23±2°C |
| Diameter of light beam: | Approx. 38mm |
Test conditions
According to difference material for Flaming test and non-flaming both conditions
| Temperature of sample | 23±2°C |
| Relative humidity | 50±5℅ |
| Size of sample | Length and width of sample all are 75±0.5mm, thickness is 1±0.2mm, thickness of foam and plastic is 8±0.5mm |
| Irradiance level of furnace | Surface of sample is 2.5±0.05W/cm² |
| Distance between the furnace and sample surface | 38mm |
| Burning gas | Propane gas and the purity is ≥95 |
| Measurement of chamber | L1110mm * W750mm * H2040mm |
| Smoke box size | L914mm * W610mm * H914mm |
| Diameter of light beam | Approx. 38mm |
| Test range | 1) Optical transparence is 100%-0.00001% 2) Smoke density grade is 0-924 for 6 shelves, automatic
transmission |
| Test mode | Non-flaming mode and flaming mode |
| Accuracy of photometer | ±3% |
| Exchange shelves accuracy | ±7 for smoke density value |
| Power supply | 3-phase is 380±10%V/AC, 50Hz |
What is a NBS smoke chamber?
The NBS smoke density chamber (ASTM E662) is the most popular test instrument used to measure smoke obscuration. In its standard use, it can accommodate only samples in the vertical orientation.
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