Instrument Technology Co., Ltd., Tianjin Huayin construction workers, high-quality new [proof drying oven price | Ex drying box manufacturers] Product details: PID temperature control, the SSR module control, may also have sub-programmable control, can be controlled the temperature and time of each phase, as well as ramp rate; explosion-proof doors on both sides of the wind, the middle of the return air; 99 hours and 59 minutes to relay settings; band phase protection device; with over temperature protection and alarm devices; box back set ; When the the oven internal air pressure is too large, behind the explosion-proof windows automatically rebound to open, there would be no bombings. Also choose electrical explosion-proof electrical appliances. Designed according to customer requirements.