Broad Range of Features and Controls 

• Wide temperature range of 0° to 60°C that enhances the flexibility of the unit * Relative humidity control via steam generator from above ambient to 95% at 37°C (not available w/Cat. No. 3920) * Sophisticated digital controls * Programmable ramp and soak cycles for temperature and RH† * Durable cabinets with true laminar airflow through side plenums for extremely tight uniformity * Phenolic-coated evaporator for use in applications that create corrosive byproducts * Manual control of defrost and refrigeration cycles * Visible/audible safety alarms alert to over- and undertemperature conditions, deviation of humidity from set parameters (except Model 3920) 

  Durable Construction * Cold-rolled steel, powder-coated cabinet * 2″ (5.1cm) thick, CFC-free, foamed-in-place polyurethane insulation * Stainless-steel interior with solid stainless-steel adjustable shelves * Directed horizontal airflow system for excellent uniformity * Locking swivel casters for easy mobility during installation and cleaning * Leveling feet for stability and added safety in the lab 

  Broad Range of Options * Interior lighting for Models 3920, 3940 and 3949 (Optional) * Reinforced shelving and flooring for heavy loads * Heatless dryer for lower humidity levels * Access ports for probes, sensors * Interior convenience receptacles * CO2 (IR sensor) * 6″ and 12″ temperature chart recorder * Other custom options available