{"product_id":"meling-biomedical-dw-xl668-15-c-to-30-c-front-ventilated-upright-biomedical-freezer-23-6-cu-ft-668-l","title":"Meling Biomedical DW-XL668 -15°C to -30°C Front-Ventilated Upright Biomedical Freezer, 23.6 cu. ft. (668 L)","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe Meling Biomedical DW-XL668 is a high-capacity 23.6 cu. ft. (668 L) upright biomedical freezer designed for controlled storage of temperature-sensitive materials between -15°C and -30°C. Its front-breathing ventilation design is tailored for the North American market, helping the freezer maintain refrigeration performance in professional facilities where rear or side clearance may be limited. The freezer is suitable for laboratories, pharmacies, hospitals, clinics, research facilities, biobanks, and pharmaceutical environments requiring organized frozen storage for enzymes, biologics, plasma, medicines, and other temperature-sensitive materials.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eCertifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eUL certified\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e for applicable United States safety requirements\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003ecUL certified\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e for applicable Canadian safety requirements\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe microprocessor controller provides clear digital temperature monitoring through a digital LED display with 0.1°C display accuracy. Direct cooling and manual defrost support controlled low-temperature storage, while R290 hydrocarbon refrigerant, 80 mm cabinet insulation, TPE double door sealing, and a heated vacuum relief port help support stable and efficient freezer performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eMeling Biomedical Brand Heritage\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eMeling Biomedical is backed by Zhongke Meiling, a specialist life-science and cold-chain manufacturer founded in 2002 through Changhong Meiling and the Chinese Academy of Sciences. The company is recognized as a National High-Tech Enterprise and is documented as the first manufacturer in China to produce ultra-low temperature freezers, pioneering high-efficiency mixed-refrigerant technology for biomedical cold storage. With products and services supplied to more than 140 countries and regions, Meling Biomedical brings the technical foundation of an established Chinese premium cold-storage brand to laboratories, pharmacies, hospitals, biobanks, pharmaceutical facilities, vaccine-storage programs, and research institutions worldwide.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003e23.6 cu. ft. (668 L) storage capacity\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAdjustable operating range from -15°C to -30°C\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eUpright biomedical freezer configuration\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFront-breathing ventilation tailored for North American installations\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDesigned to support installation where side or rear clearance may be limited\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e860 mm, approximately 33.8 inches, pass-through cabinet dimension for easier movement through standard facility access points\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e180° maximum door opening angle for convenient loading and unloading\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMicroprocessor temperature controller\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDigital LED display with 0.1°C display accuracy\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBuilt-in data logger with automatic or manual query, record, and download functions\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eUSB data export\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eData recording every 10 minutes\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eUp to 12 months of locally stored temperature records\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDirect-cooling refrigeration system\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eManual defrost\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eR290 hydrocarbon refrigerant, 150 g\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEnergy consumption tested under Energy Star laboratory-grade freezer conditions\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTPE double door seal\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHeated vacuum relief port for easier door reopening\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOverhanging LED interior light\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eErgonomic handle design\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFour adjustable wire shelves\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eShelf maximum loading capacity of 45 kg\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSprayed aluminum plate interior\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCarbon steel coated plate exterior\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e23 mm access port for an independent probe or compatible monitoring equipment\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRemote alarm contact\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRS485 communication interface\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBackup battery support for over 48 hours\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFour heavy-duty casters with two leveling feet and two brakes\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOptional inkless chart recorder\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOptional freezing box\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOptional 304 stainless-steel side-access freezing racks\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOptional rack configuration for up to 16 racks and 400 freezer boxes\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eTemperature Performance\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eManufacturer testing reports:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eTemperature uniformity of approximately 2.0°C\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePull-down time to -30°C of approximately 1.89 hours\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePeak variance of approximately 3.4°C\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe brochure states that testing was performed under Energy Star laboratory-grade freezer standards. Actual performance may vary depending on cabinet loading, ambient conditions, installation, ventilation, initial product temperature, door-opening frequency, and power supply conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eFront-Breathing Design for North American Installations\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe DW-XL668 uses a front-breathing ventilation layout, with airflow managed through the lower front ventilation area. This design is tailored for the North American market, where laboratories, pharmacies, hospitals, and research facilities often place equipment within built-in casework, equipment rows, or narrow utility spaces.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eBy reducing dependence on side or rear ventilation clearance, the front-ventilated design helps facilities plan installations more easily while supporting the refrigeration performance required for professional biomedical freezer storage.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eComprehensive Alarm Protection\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe integrated alarm system provides audible and visual notification for conditions including:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eHigh cabinet temperature\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLow cabinet temperature\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHigh ambient temperature\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePower failure\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLow backup-battery level\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTemperature-sensor error\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMain-board communication error\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHigh condenser temperature\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDoor-ajar condition\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eData-logger failure\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eData-logger alarm condition\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThese alarms help personnel identify temperature excursions, electrical interruptions, open-door conditions, condenser-related conditions, and monitoring-system faults promptly.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eLocal Temperature Data Management\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe built-in data logger records cabinet temperature locally at ten-minute intervals and can retain up to 12 months of records. Authorized users can query, record, and download stored temperature data for documentation, audits, quality-control procedures, and local recordkeeping.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe RS485 communication interface and remote alarm contact can connect the freezer to compatible on-site alarm panels, monitoring equipment, or building-management systems without requiring an internet connection.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003ePrivacy-Focused Offline Operation\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eInternet connectivity, cloud communication, and external manufacturer-server data collection are disabled to support institutional privacy, cybersecurity, and data-governance requirements.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eTemperature records remain stored locally within the freezer and can be accessed or exported directly through the built-in data logger. RS485 communication and remote alarm-contact functionality remain available for compatible on-site systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eDesigned for Organized High-Capacity Storage\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe DW-XL668 provides 23.6 cu. ft. (668 L) of frozen storage in a single-door upright cabinet. Four adjustable shelves support flexible storage of biomedical materials, while optional stainless-steel side-access racks and freezer boxes allow the cabinet to be configured for high-density sample storage.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe combination of large capacity, front-breathing ventilation, local data logging, backup battery support, remote alarm contact, RS485 interface, heated vacuum relief, alarm protection, and UL\/cUL certification makes the DW-XL668 suitable for professional facilities that require secure, documented, and space-conscious frozen storage.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eMain Specifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eModel: DW-XL668\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eProduct type: Front-ventilated upright biomedical freezer\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCapacity: 23.6 cu. ft. (668 L)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTemperature range: -15°C to -30°C\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRecommended ambient temperature: 16°C to 32°C\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eClimate class: N\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eController: Microprocessor\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDisplay: Digital LED display\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDisplay accuracy: 0.1°C\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNoise level: 51.7 dB(A)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCompressor: One\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCooling method: Direct cooling\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDefrost method: Manual\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRefrigerant: R290, 150 g\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eInsulation thickness: 80 mm at the door, left and right sides, and back\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eExterior material: Carbon steel coated plate\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eInterior material: Sprayed aluminum plate\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eShelves: Four adjustable wire shelves\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eShelf maximum loading capacity: 45 kg\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAccess port: One, 23 mm in diameter\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMobility: Four casters with two leveling feet and two brakes\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eData-recording interval: Every 10 minutes\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLocal record retention: Up to 12 months\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eData export: USB\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCommunication interfaces: RS485 and remote alarm contact\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBackup battery: Included, over 48 hours\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOptional chart recorder: Inkless chart recorder\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOptional storage accessories: Freezing box and freezing rack\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSpecified rack model: ZKL304-552B-CT\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSpecified rack dimensions: 140 x 685 x 293 mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSpecified freezer box dimensions: 133 x 133 x 53 mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSpecified rack capacity: 16 racks\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSpecified box capacity: Up to 400 boxes\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eInternal dimensions, W x D x H: 700 x 715 x 1,296 mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eExternal dimensions, W x D x H: 883 x 890 x 1,936 mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePackaged dimensions, W x D x H: 938 x 1,018 x 2,086 mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNet weight: 154 kg\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGross weight: 193 kg\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNorth American electrical supply: 110 V, 60 Hz\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRated current at 110 V: 3.68 A\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eInternational electrical supply: 220 to 240 V, 50\/60 Hz\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRated current at 220 to 240 V: 3.0 A\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Zhongke Meiling Cryogenics Co., Ltd","offers":[{"title":"Default Title","offer_id":48725809201384,"sku":null,"price":9499.0,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/4165\/3736\/files\/DW-XL668_UL_1.png?v=1783650439","url":"https:\/\/solutioninstruments.com\/products\/meling-biomedical-dw-xl668-15-c-to-30-c-front-ventilated-upright-biomedical-freezer-23-6-cu-ft-668-l","provider":"Solution Instruments","version":"1.0","type":"link"}