Performance Unit comes standard with a temperature range for the refrigerator: 1°C to10°C and freezer temperature range: -15°C to -25°C. Auto defrost cycle every 6 hours, max air temp in empty freezer: +4.34 ° C; max air temp in loaded freezer: -2.89 ° C. Max sample temp in empty freezer: -4.76 ° C; max sample temp in loaded freezer: -9.58 ° C. Products designed to operate in ambient room temperatures not to exceed 75° F / 50% RH. Control System All series models come standard with a digital microprocessor temperature controller providing a readout of actual and set-point values. This chamber comes with audible/visual alarms, high and low temperature alarms with remote alarm contacts. Warranties These chambers come with a two year parts and labor warranty, plus an additional three year compressor parts warranty. Downloads Download Specification View Product