item tmj-9707a tmj-9707b inside dimension(wxhxd mm) 500x400x400 mm 700x600x600 mm outside dimension(wxhxd mm) 1600x1980x1450 mm 1800x2180x1730 mm pre-heat range +60.00℃ ~ +200.00℃ pre-cooled range 0.00℃ ~ -80.00℃ thermal shock range h.t +60.00℃ ~ +150.00℃ thermal shock range l.t -65.00℃ ~ +150.00℃ thermal shock time range h.temp:150℃ within 30min l.temp:-50℃ within 45min thermal shock testing time 2 zone rang:120℃ ~ -50℃ within 3 min 3 zone rang:120℃ ~ rt within 3 min rt ~ -50℃ within 3 min thermal ature recover time within 3 min (programmable) resolution 0.01℃/1min temperture constancy 0.1℃ related standards chs,mil,iec,jia and other international standards.