· The size of each side of the chamber is 3000mm±30mm. The internal chamber is made of SUS 304 stainless steel, stuffed with calcium silicate fireproof material . The external chamber is made of iron with powder coating processing.

· All of the tooling in the interior is made of stainless steel, beautiful and anti-corrosive.

· The total area of the vent hole is 50cm2±10cm2, and it shall be always open during the test; the height of the guard board is 1000mm.

· Configure wire and cable test rack and weights as per standard requirements.

· The door of the test chamber comes with a glass window on opposite sides, installed with sealed and transparent windows ( Min. 100mmx100mm) for transmitting the light of horizontal optical measuring system, 2150mm±100mm above the ground.

· The photocell and the light source are placed in the center of the two walls of each window, without physical contact.