Optional accessories Cable port: two size of cable port is available: diameter: 50mm, diameter:100mm. Double door Pass room: provided to avoid disturbance of atmospheric temperature and humidity while opening the door. Floor reinforcement: can be fixed if heavy specimen placed in the chamber for test. Carry-in inclined platform: provided below the door to facilitate moving of specimens in and out through the door. normal running, a malfunction running or stand by occurs. Water purifier