resistant testing chamber 1,meet requirements of UL1581-2001 2, stainless steel rust corrosion 3,easy operate 4,low price cable ... and wire flame resistant chamber(HZ-4039) meets requirements of UL1581 ... to convenient for observing testing situation.E,test chamber specification 200X120X200(CM),cubage 4.8m32, ,control system two control model for ...