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