Temperature test chambers are equipped with digital 4x20 character LCD displays and microprocessor temperature controllers with audible and visual Hi/Lo temperature alarm

The 115–208/230V models (89368-216, -220, -224, and -226) are supplied with an L-14-20P NEMA plug and L-14-20R NEMA receptacle. The standard 230V models (89368-218 and -222) feature a Power Inlet (IEC 60320) module and require a locally supplied cord.

Chambers offer adjustable temperature control from 4 to 70°C (39 to 158°F). Safety features include, programmable ramp soak, remote alarm contacts, continuous product temperature display, three sensor system (two product, one air), power supply switch, and door ajar alarm (audible and visual). A 2 to 10 volt DC output for product temperature (selectable to air temperature) is also included. Additional controls include, password protection (set-points and factory settings), 100-event alarm logging, integrated Hi/Lo product temperature alarm test, digital calibration for air and product, real time clock with date and time display, and a door opening counter with 24 hour automatic reset. Adjustable alarms can be set to beep or constant (key pad selectable), and alarm volume is adjustable manually. Integrated monitoring features include, fan motor run-time monitor, defrost heater time monitor, and condenser/compressor run-time monitor. The exterior cabinet front, sides, and back are painted white. Exterior cabinet top and bottom are galvanized steel. Interior cabinet liner is stainless steel. Cabinet is foamed-in-place with CFC-free, high-density polyurethane foam insulation. The solid door(s) are full-size with anti condensate door frame heater, heavy-duty door pivot hinges, pull-door handles, magnetic door gaskets, and centered key door lock(s) (2 keys included). Additional standard features include, four casters (2 locking) on one- and two-door models, six casters (3 locking) on three-door models, three coated wire shelves per door section, air cooled condensing unit, top-mounted forced air refrigeration system, automatic defrost, and condensate evaporation.