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It specifies application as an ULT freezer with 108 L storage volume, temperature range of -40°C to -86°C, default set point at -81°C, and multi-voltage power supply options. Electrical, certification (CE&UL), door and operating-environment requirements are listed. Refrigeration is described as a self-cascade system with hermetic fixed-speed compressor, air cooling condenser, capillary tube expansion, built-in evaporator, manual defrost, and mixed refrigerant. Performance includes temperature uniformity, recovery time after door opening, energy use, noise, heat rejection, pull-down time, dimensions, alarms, USB/PDF download, and temperature logging with backup power.",{"@graph":69,"@context":122},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":40,"@type":76,"position":81},"https://docshare.wps.com/document/research-report/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/high-performance-lab-guard-ult-freezer-model-md-86l108-technical-data-sheet-application-rating-electrical-data/648309/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/high-performance-lab-guard-ult-freezer-model-md-86l108-technical-data-sheet-application-rating-electrical-data/648309.png","ImageObject",300,407,{"name":92,"@type":93},"4398046744996","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-31","2026-10-23",true,{"@type":102,"interactionType":103,"userInteractionCount":81},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What are the storage volume and temperature specifications for the MD-86L108 ULT freezer?","Question",{"text":112,"@type":113},"The MD-86L108 provides a 108 L (3.81 cu. ft) storage volume. It operates over -40°C to -86°C with a default set point of -81°C.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"How does the freezer handle refrigeration and defrosting?",{"text":117,"@type":113},"It uses a self-cascade refrigeration system with a hermetic fixed-speed compressor, air-cooled condenser, capillary tube expansion device, and a built-in evaporator. Defrosting is manual.",{"name":119,"@type":110,"acceptedAnswer":120},"What monitoring, alarms, and data logging features are included?",{"text":121,"@type":113},"The controller supports a password-protected lockable door, PT1000 stainless-steel temperature sensing, USB and remote alarm contacts, and power failure/high-low/door-ajar alarms with adjustable thresholds. Temperature logs and PDF downloads are available via USB, and there is a rechargeable 12V lead-acid battery backup for up to 44 hours of display and alarm backup.","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},648309,1792793051,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":66,"doc_module":4,"category_id":39,"category_name":40,"doc_title":65,"doc_description":67,"doc_content":133,"file_id":134,"file_url":135,"file_type":136,"file_size":137,"view_count":81,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":14,"language":138,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":139,"faqs":140,"seo_title":141,"seo_description":67,"update_tm":129,"read_time":24},4398046744996,"Midea Biomedical, Hefei City, China [www.mideabiomedical.net](www.mideabiomedical.net)  \nTechnical Data Sheet  \nHigh-Performance, Lab Guard ULT Freezer Model: MD-86L108,Under Counter ULT Freezer  \nApplication, Rating, & Electrical Data  \n\n| Application | ULT freezer |\n| --- | --- |\n| Storage Volume（L/Cu. Ft） | 108/3.81 |\n| Temperature Range | -40°C to-86°C |\n| Default Set Point | -81°C |\n| Power Supply | 115/60Hz|220-240~V/50Hz|220-240~V//60Hz |\n| Current | 8A | 4.9A | 3.3A |\n| Power Cord Length | 1.7m |\n| Certification | CE&UL |\n| Door type | Solid door |\n| Application Environment | Non-corrosive, non-flammable, non-explosive |\n| Ambient Operating Temperature | 10°C~32°C |\n\nRefrigeration  \n\n| Refrigeration System | Self-cascade |\n| --- | --- |\n| Compressor | Hermetic, fixed speed |\n| Condenser Type | Air cooling |\n| Expansion Device | Capillary tube |\n| Evaporator Type | Built-in |\n| Defrost Method | Manual defrosting |\n| Refrigerant | Mix refrigerant |\n\nController / Configuration Settings  \n\n| Display screen | LED |\n| --- | --- |\n| Controller Type | Microprocessor |\n| Security | Lockable door, password protected settings |\n| Control Sensor | PT1000, stainless steel |\n| Communication Ports | USB, Remote alarm contacts |\n| Power Failure Alarm | Yes |\n| High/Low Alarms | Yes, fully adjustable |\n| Door Ajar Alarm | Yes |\n| Download | Yes, via USB, PDF |\n| Temperature Log | Yes, download via USB |\n| Battery Back-up | Yes, 44 hr display and alarm\u003Cbr>back-up | Rechargeable 12V, lead acid |\n\n\n| Performance Characteristics (normal operating conditions) |  |\n| --- | --- |\n| Uniformity |(℃) | ±3.0 |\n| Recovery to-75°C after 1 mindoor opening | （min） | 17.5 |\n| Energy consumption | （kWh/day） | 5.2 | 4.6 | 3.9 |\n| Noise emission | （dB） | 46 | 45 | 45 |\n| Heat rejection | （BTU/hr） | 1400 |\n| Pull-down time to-81°C | (min) | 210 | 180 | 180 |\n\n\n| Dimensions and Construction |  |\n| --- | --- |\n| Interior (w*d*h) | 440*435*590 mm |\n| Exterior (w*d*h) | 955*675*815 mm |\n| Access Port | 2 Access Port-for external monitoring probe(s)(25 mm diameter) |\n| shelf | 1 | 49 kg max capacity |\n| Wheels | N |\n| Net Weight | 113 kg |\n| Gross Weight | 141 kg |\n\nAll performance data from 108L ULT freezer, 25 ambient, -81°C  \nUniformity  \nTemperature ℃ Temperature ℃ Temperature ℃ Temperature ℃  \nElapsed Time (min)  \nCooling Speed  \nElapsed Time (min) DOR 1 minute  \nElapsed Time (min)  \nTemperature recover curve  \nTypical Temperature Map  \n\n|  | test 1 | test 2 | test 3 | test 4 | test 5 | test 6 | test 7 | test 8 | test 9 |\n| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |\n| Avg | -81.18 | -81.49 | -81.56 | -80.89 | -78.71 | -79.15 | -79.47 | -79.27 | -79.52 |\n| Max | -78.30 | -78.60 | -78.70 | -78.10 | -77.00 | -77.40 | -77.60 | -77.40 | -77.80 |\n| Min | -84.10 | -84.30 | -84.40 | -83.70 | -80.61 | -81.10 | -81.50 | -81.30 | -81.70 |\n\nMidea Biomedical,Trademarks are the property of their respective owners. Drawings are not for engineering use, and specifications may change. Not all products are available in all countries, so please check with your local sales representative for details.  \nElapsed Time (min)","cbCaijtjA7HOronr","https://ap.wps.com/l/cbCaijtjA7HOronr","pdf",3177094,"English","# Application, Rating, & Electrical Data\n## Refrigeration\n## Controller / Configuration Settings\n## Performance Characteristics (Normal Operating Conditions)\n## Dimensions and Construction\n## Temperature Recover, Typical Temperature Map (Test Data)","[{\"question\":\"What are the storage volume and temperature specifications for the MD-86L108 ULT freezer?\",\"answer\":\"The MD-86L108 provides a 108 L (3.81 cu. ft) storage volume. It operates over -40°C to -86°C with a default set point of -81°C.\"},{\"question\":\"How does the freezer handle refrigeration and defrosting?\",\"answer\":\"It uses a self-cascade refrigeration system with a hermetic fixed-speed compressor, air-cooled condenser, capillary tube expansion device, and a built-in evaporator. Defrosting is manual.\"},{\"question\":\"What monitoring, alarms, and data logging features are included?\",\"answer\":\"The controller supports a password-protected lockable door, PT1000 stainless-steel temperature sensing, USB and remote alarm contacts, and power failure/high-low/door-ajar alarms with adjustable thresholds. Temperature logs and PDF downloads are available via USB, and there is a rechargeable 12V lead-acid battery backup for up to 44 hours of display and alarm backup.\"}]","High-Performance, Lab Guard ULT Freezer Model: MD-86L108 - Technical Data Sheet - Application, Rating, & Electrical Data | PDF"]