The internal chamber volume, liters 125,Dimensions of useful volume, Wx The x D mm 500 h500h500,Dimensions, WxHxD, mm 800h2000h1200,Temperature range, ° C -70 ... 200 (termoplita),Tolerance, ° C ± 2,Pressure 10 ^ (- 6) mm Hg,Temperature cycling is up time up to 2 hours ,The vacuum flange ISO 160.