{"product_id":"upright-style-ultra-low-freezers-40-c-to-85-c-13-cu-ft-manual-defrost-ulf-401u","title":"Yamato ULF401U Upright Style Ultra Low Freezers -40°C To -85°C, 13 cu.ft., Manual Defrost","description":"\u003ch2\u003eUpright Style Ultra Low Freezers -40°C To -85°C, 13 cu.ft., Manual Defrost Overview\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eUpright Style Ultra Low Freezers -40°C To -85°C, 13 cu.ft., Manual Defrost\u003c\/strong\u003e (model ULF401U) is an upright laboratory ultra-low freezer from Yamato Scientific, supplied by LabSupplies.com as an authorized dealer. Rated from -40°C to -85°C with 370 L (13 cu.ft.) of storage, this unit holds cell lines, plasma, vaccines, and reagents at deep-cold setpoints.\u003c\/p\u003e\n\u003cp\u003eChamber walls use 14-gauge zinc-coated galvanized steel, while the exterior is 16-gauge steel finished in power-coated cool gray. A cascade refrigeration system pairs two hermetic compressors with CFC-free R-508B and R-404A refrigerants. Air-cooled condensing with two heavy-duty fans removes any need for liquid coolant.\u003c\/p\u003e\n\u003cp\u003ePower options span 115V, 208V, and 230V at 60 Hz single-phase, plus a 220V 50\/60 Hz configuration. Exterior dimensions measure 35\" × 34.5\" × 79.5\", and shipping weight reaches 850 lbs. Built in the USA and UL Listed, this freezer accepts 15 racks across four adjustable shelves.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature range:\u003c\/strong\u003e -40°C to -85°C with manual defrost across a 370 L \/ 13 cu.ft. chamber.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigital control system:\u003c\/strong\u003e dual display for set point and chamber temperature, scan button for setting, and tamper-proof lockout.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCascade refrigeration:\u003c\/strong\u003e two hermetic compressors running CFC-free R-508B and HCFC-free R-404A, with an air-cooled condenser and two heavy-duty fans.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlarm system:\u003c\/strong\u003e battery-operated audible and visual alarms, over- and under-temperature settings, silencing switch, battery test switch, and a relay for remote hook-up.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower failure recovery:\u003c\/strong\u003e automatic timer system restarts the unit after an outage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStorage and access:\u003c\/strong\u003e 15-rack capacity, four adjustable shelves across five compartments, and a 1\/2\" access port for probes or sampling.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHow to Choose the Right Ultra-Low Freezer\u003c\/h2\u003e\n\u003cp\u003eMatching an ultra-low freezer to a lab means balancing sample volume, target setpoint, site power, and floor space. Weigh these axes against your protocol .\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e a 370 L \/ 13 cu.ft. chamber with 15-rack capacity suits mid-size sample libraries; confirm rack format matches your boxes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature range:\u003c\/strong\u003e a -40°C to -85°C range covers most long-term storage of cells, plasma, and reagents; verify your coldest required setpoint.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl type:\u003c\/strong\u003e digital control with dual display and tamper-proof lockout protects setpoints in shared labs and audited environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDefrost method:\u003c\/strong\u003e manual defrost keeps the refrigeration circuit simple; plan periodic defrost cycles into your maintenance schedule.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 115V, 208V, 230V, or 220V options let you match existing bench or dedicated circuits; check available amperage at the install site.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFootprint:\u003c\/strong\u003e exterior dimensions of 35\" × 34.5\" × 79.5\" and 850 lb weight require a load-rated floor and clearance for air-cooled fans.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCapacity\u003c\/td\u003e\n\u003ctd\u003e13 cu.ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e-40°C to -85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDefrost\u003c\/td\u003e\n\u003ctd\u003eManual\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterior Capacity\u003c\/td\u003e\n\u003ctd\u003e370 L \/ 13 cu.ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRack Capacity\u003c\/td\u003e\n\u003ctd\u003e15 racks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShelving\u003c\/td\u003e\n\u003ctd\u003e4 adjustable shelves (5 compartments)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterior Dimensions\u003c\/td\u003e\n\u003ctd\u003e20\" × 22\" × 51.25\" (50 × 55 × 130 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExterior Dimensions\u003c\/td\u003e\n\u003ctd\u003e35\" × 34.5\" × 79.5\" (88 × 87 × 201 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Control System\u003c\/td\u003e\n\u003ctd\u003eDigital control with dual display (set point and chamber temperature); scan button for temperature setting; tamper-proof lockout\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRefrigeration System\u003c\/td\u003e\n\u003ctd\u003eCascade type — two hermetic compressors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRefrigerant\u003c\/td\u003e\n\u003ctd\u003eCFC-free R-508B and R-404A (CFC- \u0026amp; HCFC-free)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCondenser\u003c\/td\u003e\n\u003ctd\u003eAir-cooled with two heavy-duty fans; no liquid coolant required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAlarm System\u003c\/td\u003e\n\u003ctd\u003eBattery-operated alarm emits an audible and visual signal on mechanical or electrical failure; over- and under-temperature settings, alarm silencing switch, and battery test switch; relay provided for remote alarm hook-up\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Failure Recovery\u003c\/td\u003e\n\u003ctd\u003eAutomatic timer system restarts the unit after a power failure\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectrical Requirements\u003c\/td\u003e\n\u003ctd\u003e115V \/ 208V \/ 230V, 60 Hz, 1-phase; 220V, 50\/60 Hz, 1-phase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptional Accessories\u003c\/td\u003e\n\u003ctd\u003eChart recorder; CO₂ and LN₂ back-up system; racks; cold safety gloves\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eChamber is 14-ga. Zinc coated galvanized steel.\nExterior is 16-ga. steel. Power coated cool gray\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGTIN (Barcode)\u003c\/td\u003e\n\u003ctd\u003e797059929931\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Weight\u003c\/td\u003e\n\u003ctd\u003e850 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (L × W × H)\u003c\/td\u003e\n\u003ctd\u003e46 × 43 × 86 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eComponent Size\u003c\/td\u003e\n\u003ctd\u003e13 CF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOther Certification\u003c\/td\u003e\n\u003ctd\u003eUL Listed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eAvailable Sizes and Configurations\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eSKU\u003c\/th\u003e\n\u003cth\u003eConfiguration\u003c\/th\u003e\n\u003cth\u003ePack\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eULF-401U\u003c\/td\u003e\n\u003ctd\u003eEA\u003c\/td\u003e\n\u003ctd\u003eEA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eDocumentation\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.dropbox.com\/s\/i6la82wldj3fdzd\/ULF%20Series%20Ultra%20Low%20Freezers.pdf?dl=10\" target=\"_blank\" rel=\"noopener\"\u003eProduct Brochure\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.yamato-usa.com\/shop\/ultra-low-ulf-series-vertical-upright-freezers-44?category=21#attr=100\" target=\"_blank\" rel=\"noopener\"\u003eYamato Scientific Official Product Page\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eMore in This Series\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/chest-style-ultra-low-freezers-40-c-to-85-c-2-cu-ft-manual-defrost-ulf-001c\"\u003eChest Style Ultra Low Freezers -40°C To -85°C, 2 cu.ft., Manual Defrost\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/chest-style-ultra-low-freezers-40-c-to-85-c-3-cu-ft-manual-defrost-ulf-101c\"\u003eChest Style Ultra Low Freezers -40°C To -85°C, 3 cu.ft., Manual Defrost\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/chest-style-ultra-low-freezers-40-c-to-85-c-5-cu-ft-manual-defrost-ulf-201c\"\u003eChest Style Ultra Low Freezers -40°C To -85°C, 5 cu.ft., Manual Defrost\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/chest-style-ultra-low-freezers-40-c-to-85-c-9-cu-ft-manual-defrost-ulf-301c\"\u003eChest Style Ultra Low Freezers -40°C To -85°C, 9 cu.ft., Manual Defrost\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/chest-style-ultra-low-freezers-40-c-to-85-c-12-cu-ft-manual-defrost-ulf-401c\"\u003eChest Style Ultra Low Freezers -40°C To -85°C, 12 cu.ft., Manual Defrost\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/chest-style-ultra-low-freezers-40-c-to-85-c-14-cu-ft-manual-defrost-ulf-501c\"\u003eChest Style Ultra Low Freezers -40°C To -85°C, 14 cu.ft., Manual Defrost\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/chest-style-ultra-low-freezers-40-c-to-85-c-17-cu-ft-manual-defrost-ulf-601c\"\u003eChest Style Ultra Low Freezers -40°C To -85°C, 17 cu.ft., Manual Defrost\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/chest-style-ultra-low-freezers-40-c-to-80-c-21cu-ft-manual-defrost-ulf-701c\"\u003eChest Style Ultra Low Freezers -40°C To -80°C, 21Cu.Ft., Manual Defrost\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/chest-style-ultra-low-freezers-40-c-to-85-c-22-cu-ft-manual-defrost-ulf-801c\"\u003eChest Style Ultra Low Freezers -40°C To -85°C, 22 cu.ft., Manual Defrost\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/chest-style-ultra-low-freezers-40-c-to-80-c-27-cu-ft-manual-defrost-ulf-901c\"\u003eChest Style Ultra Low Freezers -40°C To -80°C, 27 cu.ft., Manual Defrost\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/platinum-chest-style-ultra-low-freezers-40-c-to-85-c-2-cu-ft-manual-defrost-ulf-001cp\"\u003ePlatinum Chest Style Ultra Low Freezers -40°C To -85°C, 2 cu.ft., Manual Defrost\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/platinum-chest-style-ultra-low-freezers-40-c-to-85-c-3-cu-ft-manual-defrost-ulf-101cp\"\u003ePlatinum Chest Style Ultra Low Freezers -40°C To -85°C, 3 cu.ft., Manual Defrost\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/platinum-chest-style-ultra-low-freezers-40-c-to-85-c-5-cu-ft-manual-defrost-ulf-201cp\"\u003ePlatinum Chest Style Ultra Low Freezers -40°C To -85°C, 5 cu.ft., Manual Defrost\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/platinum-chest-style-ultra-low-freezers-40-c-to-85-c-9-cu-ft-manual-defrost-ulf-301cp\"\u003ePlatinum Chest Style Ultra Low Freezers -40°C To -85°C, 9 cu.ft., Manual Defrost\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/platinum-chest-style-ultra-low-freezers-40-c-to-85-c-12-cu-ft-manual-defrost-ulf-401cp\"\u003ePlatinum Chest Style Ultra Low Freezers -40°C To -85°C, 12 cu.ft., Manual Defrost\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/platinum-chest-style-ultra-low-freezers-40-c-to-85-c-14-cu-ft-manual-defrost-ulf-501cp\"\u003ePlatinum Chest Style Ultra Low Freezers -40°C To -85°C, 14 cu.ft., Manual Defrost\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/platinum-chest-style-ultra-low-freezers-40-c-to-85-c-17-cu-ft-manual-defrost-ulf-601cp\"\u003ePlatinum Chest Style Ultra Low Freezers -40°C To -85°C, 17 cu.ft., Manual Defrost\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/platinum-chest-style-ultra-low-freezers-40-c-to-80-c-21cu-ft-manual-defrost-ulf-701cp\"\u003ePlatinum Chest Style Ultra Low Freezers -40°C To -80°C, 21Cu.Ft., Manual Defrost\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/platinum-chest-style-ultra-low-freezers-40-c-to-85-c-22-cu-ft-manual-defrost-ulf-801cp\"\u003ePlatinum Chest Style Ultra Low Freezers -40°C To -85°C, 22 cu.ft., Manual Defrost\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/platinum-chest-style-ultra-low-freezers-40-c-to-80-c-27-cu-ft-manual-defrost-ulf-901cp\"\u003ePlatinum Chest Style Ultra Low Freezers -40°C To -80°C, 27 cu.ft., Manual Defrost\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/upright-style-ultra-low-freezers-40-c-to-85-c-18-cu-ft-manual-defrost-ulf-501u\"\u003eUpright Style Ultra Low Freezers -40°C To -85°C, 18 cu.ft., Manual Defrost\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/upright-style-ultra-low-freezers-40-c-to-85-c-22-cu-ft-manual-defrost-ulf-601u\"\u003eUpright Style Ultra Low Freezers -40°C To -85°C, 22 cu.ft., Manual Defrost\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/upright-style-ultra-low-freezers-40-c-to-85-c-25-cu-ft-manual-defrost-ulf-701u\"\u003eUpright Style Ultra Low Freezers -40°C To -85°C, 25 cu.ft., Manual Defrost\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/upright-style-ultra-low-freezers-40-c-to-80-c-28-cu-ft-manual-defrost-ulf-801u\"\u003eUpright Style Ultra Low Freezers -40°C To -80°C, 28 cu.ft., Manual Defrost\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/upright-style-ultra-low-freezers-40-c-to-80-c-31-cu-ft-manual-defrost-ulf-901u\"\u003eUpright Style Ultra Low Freezers -40°C To -80°C, 31 cu.ft., Manual Defrost\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/platinum-upright-style-ultra-low-freezers-40-c-to-85-c-13-cu-ft-manual-defrost-ulf-401up\"\u003ePlatinum Upright Style Ultra Low Freezers -40°C To -85°C, 13 cu.ft., Manual Defrost\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/platinum-upright-style-ultra-low-freezers-40-c-to-85-c-18-cu-ft-manual-defrost-ulf-501up\"\u003ePlatinum Upright Style Ultra Low Freezers -40°C To -85°C, 18 cu.ft., Manual Defrost\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/platinum-upright-style-ultra-low-freezers-40-c-to-85-c-22-cu-ft-manual-defrost-ulf-601up\"\u003ePlatinum Upright Style Ultra Low Freezers -40°C To -85°C, 22 cu.ft., Manual Defrost\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/platinum-upright-style-ultra-low-freezers-40-c-to-85-c-25-cu-ft-manual-defrost-ulf-701up\"\u003ePlatinum Upright Style Ultra Low Freezers -40°C To -85°C, 25 cu.ft., Manual Defrost\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/platinum-upright-style-ultra-low-freezers-40-c-to-80-c-28-cu-ft-manual-defrost-ulf-801up\"\u003ePlatinum Upright Style Ultra Low Freezers -40°C To -80°C, 28 cu.ft., Manual Defrost\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/platinum-upright-style-ultra-low-freezers-40-c-to-80-c-30-cu-ft-manual-defrost-ulf-901up\"\u003ePlatinum Upright Style Ultra Low Freezers -40°C To -80°C, 30 cu.ft., Manual Defrost\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/undercounter-ultra-low-freezers-40-c-to-85-c-2-cu-ft-manual-defrost-ulf-101un\"\u003eUndercounter Ultra Low Freezers -40°C To -85°C, 2 cu.ft., Manual Defrost\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/undercounter-ultra-low-freezers-40-c-to-85-c-3-cu-ft-manual-defrost-ulf-201un\"\u003eUndercounter Ultra Low Freezers -40°C To -85°C, 3 cu.ft., Manual Defrost\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy Buy From LabSupplies.com\u003c\/h2\u003e\n\u003cp\u003eLabSupplies.com is an authorized Yamato Scientific dealer, so every ULF401U ships as a genuine unit backed by the manufacturer warranty. Order directly and our lab-equipment specialists can answer spec questions before you commit.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuthorized Yamato Scientific dealer:\u003c\/strong\u003e genuine equipment with full manufacturer warranty support.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIn stock:\u003c\/strong\u003e ready to ship from USA inventory.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt in the USA:\u003c\/strong\u003e UL Listed construction with documented country of origin.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecialist support:\u003c\/strong\u003e dedicated lab-equipment staff for configuration and spec questions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat temperature range does the ULF401U reach?\u003c\/h3\u003e\u003cp\u003eThe ULF401U operates from -40°C to -85°C. A cascade refrigeration system with two hermetic compressors and CFC-free R-508B and R-404A refrigerants delivers and holds these deep-cold setpoints.\u003c\/p\u003e\n\u003ch3\u003eWhat is the storage capacity and interior size?\u003c\/h3\u003e\u003cp\u003eThe chamber holds 370 L \/ 13 cu.ft. with capacity for 15 racks. Interior dimensions are 20\" × 22\" × 51.25\" (50 × 55 × 130 cm), divided across four adjustable shelves and five compartments.\u003c\/p\u003e\n\u003ch3\u003eWhat power supply does this freezer require?\u003c\/h3\u003e\u003cp\u003eThe unit accepts 115V, 208V, or 230V at 60 Hz single-phase, plus a 220V 50\/60 Hz single-phase configuration. Confirm the available voltage and amperage at your install site before ordering.\u003c\/p\u003e\n\u003ch3\u003eWhat materials is the freezer built from?\u003c\/h3\u003e\u003cp\u003eThe chamber uses 14-gauge zinc-coated galvanized steel. Its exterior is 16-gauge steel finished in power-coated cool gray, giving a durable cabinet for demanding lab environments.\u003c\/p\u003e\n\u003ch3\u003eDoes it have alarms and power-failure protection?\u003c\/h3\u003e\u003cp\u003eYes. A battery-operated alarm emits audible and visual signals on mechanical or electrical failure, with over- and under-temperature settings, a silencing switch, a battery test switch, and a relay for remote hook-up. An automatic timer system restarts the unit after a power failure.\u003c\/p\u003e\n\u003ch3\u003eWhat are the exterior dimensions and weight?\u003c\/h3\u003e\u003cp\u003eExterior dimensions are 35\" × 34.5\" × 79.5\" (88 × 87 × 201 cm) and the unit weighs 850 lbs. Plan for a load-rated floor plus clearance around the air-cooled condenser fans.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@graph\": [\n    {\n      \"@type\": \"Product\",\n      \"@id\": \"https:\/\/labsupplies.com\/products\/upright-style-ultra-low-freezers-40-c-to-85-c-13-cu-ft-manual-defrost-ulf-401u#product\",\n      \"name\": \"Yamato ULF401U Upright Style Ultra Low Freezers -40°C To -85°C, 13 cu.ft., Manual Defrost\",\n      \"sku\": \"ULF-401U\",\n      \"mpn\": \"ULF-401U\",\n      \"brand\": {\n        \"@type\": \"Brand\",\n        \"name\": \"Yamato Scientific\"\n      },\n      \"manufacturer\": {\n        \"@type\": \"Organization\",\n        \"name\": \"Yamato Scientific\"\n      },\n      \"url\": \"https:\/\/labsupplies.com\/products\/upright-style-ultra-low-freezers-40-c-to-85-c-13-cu-ft-manual-defrost-ulf-401u\",\n      \"dateModified\": \"2026-06-28\",\n      \"offers\": {\n        \"@type\": \"Offer\",\n        \"priceCurrency\": \"USD\",\n        \"price\": \"16735.00\",\n        \"availability\": \"https:\/\/schema.org\/InStock\",\n        \"url\": \"https:\/\/labsupplies.com\/products\/upright-style-ultra-low-freezers-40-c-to-85-c-13-cu-ft-manual-defrost-ulf-401u\",\n        \"seller\": {\n          \"@type\": \"Organization\",\n          \"name\": \"LabSupplies.com\"\n        }\n      },\n      \"gtin12\": \"797059929931\",\n      \"image\": \"https:\/\/dl.dropboxusercontent.com\/scl\/fo\/02jn6wbbh1yhzaqkcyplw\/h\/ULF401U.png?rlkey=wtjo5lqeg5sku9a3506qrpssx\",\n      \"description\": \"ULF401U ultra-low freezer: -40°C to -85°C, 13 cu.ft., digital control, manual defrost. 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