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Thermo Scientific Revco High Performance Auto lab. Freezer model: ULT430A**Freezer has been tested to specifications. We ran this unit overnight at our facility and was able to reach -21 Deg. C. Has slight cosmetic blemishes for regular use. See photos for further details.Simplify operation and increase accuracy with the microprocessor control of Thermo Scientific Revco High-Performance Lab Freezers. Our Revco -30C and -20C high-performance freezers are designed for medical and scientific applications such as storage of reagents, pharmaceuticals, biologicals or other commonly used laboratory materials. Models offer cabinet sizes to fit a variety of space needs and storage volume requirements.Temperature factory-preset at -20 or -30CCapacities from 4.9 to 51.1 cu. ft. (139 to 1447L)Icon-based controls and displaysLarge, easy-to-read digital display shows temperature within 1CGraphic thermometer is steady green when temperature is normal, flashes top bar for overtemperature, flashes bulb for under temperatureMicroprocessor ControlAudible/visual warnings for overtemperature, under temperature, or power failureKey-operated OFF/ON/ALARM ON master switch for setpoint securityPush-button alarm testRemote alarm contactsAlarm silence, ring back, and auto resetController battery backup systemConstructionScratch-resistant cold-rolled steel interior and exterior finishesHigh-density, 2in. thick (5.1cm) CFC-free urethane foam insulation protects against ambient temperature fluctuationsCFC-free, HFC-blend refrigerantSingle-door models are hinged on rightFull-length door handle and key lockDoors self-close and lock open at 90Adjustable epoxy-coated wire shelves1in. (2.5cm) dia. access port with plug on under counter model-20C FreezersSuitable for applications in which slight intermittent coil warming during an automatic defrost cycle is not desired (such as enzyme storage)Gravity convection air system for maximum stability without a blower or fanManual defrostSpecificationsType: High-Performance FreezerCapacity (Metric): 139 LDoor Style: SolidCabinet Material: Cold-rolled SteelStyle: Under counterCapacity (English): 4.9 cu. ftTemperature Range: -30CNo. of Doors: 1Control Type: MicroprocessorDefrost: AutomaticTemperature factory: -20 or -30CKeys: 1 of OneMonitoring Options: Alarm, RecorderBreaker: 15AVoltage: 115 VFrequency: 60 HzAdditional Prep Fees May Apply