Heating control: Micro-controller Control accuracy Heating plate: ± 5 ° C Residual heat warning: yes Safety circuit Heating plate: 25 ° C above heating plate temperature 80% rel. Humidity, 32 - 40 ° C linear decreasing to max. 50% rel. Humidity Dimensions of surface: ø 145 mm Shelf material: KERA-dISK® Silumin ceramic Dimensions (WxHxD): 173x94x277 mm Weight: 2.9 kg Protection class (DIN EN 60529): IP 32 Order number: 505-30000-00. Factory. Warranty.