3 Phase Building Materials Flammability Tester , NBS Smoke Density Chamber

Place of Origin China
Brand Name SKYLINE
Certification CE
Model Number SL-7602
Minimum Order Quantity 1 unit
Price negotiated
Packaging Details plywood case
Delivery Time 10 work days
Payment Terms T/T, L/C, Western Union,
Supply Ability 1 unit/ month
Product Details
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
Highlight:

horizontal flammability tester

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lab testing equipment
Product Description
3 Phase Flammability Testing Equipment , NBS Smoke Density Chamber
 
Standards
According to NBS ENS711 of ASTM E662 etc.
 
Used range
This tester has been applied to determine smoke density and wildly accepted by many industries, such as plastics, rubbers, cover fabrics, painted surfaces, woods, etc.
 

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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