The Espec SH-242 Temperature and Humidity Chamber offers the following features and specifications: Temperature range: -40°C to 150°C (-40° to 302°F), ±0.3°C fluctuation to 100°C Humidity range: 30% to 95%RH per humidity chart, ±3% fluctuation Interior volume: 0.8 cu. ft. Interior dimensions: 12"W x 10"D x 12"H (30 x 25 x 30 cm) excluding protrusions Exterior dimensions: 17.4"W x 27"D x 25"H (44 x 73 x 63 cm) Electric service: 115 VAC ±5% 1Ø 60Hz Espec Controller: User-friendly touch-screen operation Three different ‘constant mode’ settings can be saved for single-setting operation Store 40 cycling programs, with up to 99 steps each Programs may be written on a PC and uploaded via USB The trend-graph display shows a record of setpoints and actual values Operation data can be downloaded as needed, or continually, to USB System alarms are stored in memory for historical review Built-in timer functions allow the chamber to be started or shut down automatically Pattern Manager Lite PC software for program editing and datalog viewing/exporting, to support USB functionality Also included is Web Manager remote monitor/control via Ethernet/browser Chamber Design Features: Premium design with a space-saving footprint and quiet operation suitable for offices and small labs One 1" diameter cable port on the right side (Note: previous model series also included standard port on left) Removable humidity water tank for SH models (direct water connection optional) One adjustable stainless steel shelf Temperature (& humidity) output terminals Safety Features: Three levels of overheat protection Humidifier boil-dry protector for SH models Specimen power supply control terminal Main power circuit breaker