Temperature range: Ambient +5 C +250 C(changeable according to user's demand) Temperature uniformity: Less than 2.0 C at 100 CHeat up time to 100 ? : Less than 85 minutes Max. final vacuum: 1x10mbar (0.01mbar)Volume: 27L, 65L, 130L, 512L and(Different size of chambers are available on users demand.)