HITV-4-d Flameproof Enclosure endoscope high temperature furnace TV monitoring system is applied in petroleum & chemical industry etc. electrical Flameproof Enclosure regions, the system is suitable for the monitoring of region1, region2, ⅡA、ⅡB、 ⅡC level, T1～T6 explosive hazardous location. Equipment of the system is in accordance with the requirements of GB3836.1-2010 and GB3836.2-2010, in which the protection level of high temperature camera is IP65, Flameproof Enclosure level is ExdⅡCT6.