-73°C to +175°C Temperature Range Humidity 10% to 95% RH. See specifications page for limitations. 27 Cu Ft Workspace, 40 W x 32 H x 36.5 D Your choice of the NEW F4T Touch Screen Controller or the Original F4 Controller High/Low Limit Control and Alarm Viewing Window & Interior Light One shelf included. Additional shelves and optional shelf slides are available. 4in Access Ports on Left & Right Side Non-CFC Cascade Refrigeration with Dual 3.5 HP Scroll Compressors 3 Year Parts, 1 Year Labor Warranty Fast Delivery From Stock Made in the USA Input voltage option must be specified at time of order Opt. 0722: 230V, 3PH, 60Hz Opt. 0724: 208V, 3PH, 60Hz See Options & Accessories tab for export and other voltage options. Model 1027H shares the same features as our popular 1027C plus the ability to control humidity from 10% to 95% RH. See the specifications page for the achievable range of temperature/humidity conditions. 3.5 HP Scroll Compressors for reliable and efficient operation – same compressors used on the 1027 and 3007C. 20-year track record of exceptional performance and reliability in the field. 75% more cooling capacity compared to competing models of comparable size. Optional Shelf Slides to provide easier access to your test sample. Optional Glove Ports in the chamber door allows you to manipulate your test sample in the chamber with the door closed. Field Retrofittable GN2 and Dry Air Purge lets you add these optional functions at any time. Your choice of the NEW F4T Touch Screen Controller or the Original F4 Controller