Models HQ-TH-150 HQ-TH-225 HQ-TH-408 HQ-TH-800 HQ-TH-1000 Inside Dimensions W x D x H cm 50x50x60 50x60x75 60x80x85 100x80x100 100x100x100 Outside Dimensions W x D x H cm 115x88x147 115x91x162 127x113x172 167x113x187 173x133x187 Precool / Preheat Range -70'C, -60'C, -50'C, -40'C, -30'C, -20'C, -10'C, 0'C ~ 150'C Shocking Range 10%RH ~ 98%RH Time Range 0 hour 1 min ~ 9999 hour 59 min / segment Resolution 0.01'C / min, 0.1%RH/ min Control Constancy ± 0.2'C, ± 2.0%RH Micro Controller HQ-TIME880