Platinum Upright Style Ultra Low Freezers -40°C To -85°C, 18 cu.ft., Manual Defrost Overview
The Platinum Upright Style Ultra Low Freezers -40°C To -85°C, 18 cu.ft., Manual Defrost (model ULF501UP) is a cascade-refrigeration laboratory ultra-low freezer from Yamato Scientific, available through LabSupplies.com, authorized dealer. Engineered for -40°C to -85°C storage across 18 cubic feet (505 L) of interior capacity, this upright unit holds up to 20 racks behind a single door.
Construction pairs a 14-gauge zinc-coated galvanized steel chamber with a 16-gauge steel exterior finished in powder-coated cool gray. A cascade refrigeration system using two hermetic compressors drives the deep pull-down, while CFC-free R-508B and R-404A refrigerants run without HCFCs. Air-cooled condensing with two heavy-duty fans removes the need for liquid coolant.
Power options span 115V, 208V, and 230V at 60 Hz single-phase, plus 220V at 50/60 Hz. Exterior dimensions measure 40 × 36 × 79.5 inches, and the unit ships at 900 lbs. Built in the USA and UL Listed, the freezer arrives with automatic power-failure recovery and a 1/2-inch access port.
Key Features
- Touch-screen controller: displays set point and chamber temperature with Hi/Low alarms, email and SMS notification, and a viewable temperature graph.
- Data logging and remote access: download logs via USB or FTP, and monitor the unit through VNC remote access from a PC or smart device.
- Cascade refrigeration: two hermetic compressors with air-cooled condensing and CFC-/HCFC-free R-508B and R-404A refrigerants.
- Battery-backed alarm system: audible and visual signals on mechanical or electrical failure, plus over/under-temperature settings, a silencing switch, and a remote-alarm relay.
- Power-failure recovery: an automatic timer restarts the unit after power is restored.
- Adjustable storage: four adjustable shelves create five compartments and hold up to 20 racks, while a 1/2-inch side access port supports external probes.
How to Choose the Right Ultra-Low Freezer
Matching an ultra-low freezer to your lab means weighing sample volume against your facility's power and floor space. Use these criteria to compare upright units.
- Capacity: the ULF501UP offers 18 cubic feet (505 L) and holds up to 20 racks — size this to your sample inventory and growth.
- Temperature range: a -40°C to -85°C span suits long-term storage of biological and reagent samples requiring deep-cold conditions.
- Control type: a touch-screen controller with data logging and remote VNC access supports labs needing audit-ready monitoring.
- Voltage: confirm whether your site runs 115V, 208V, 230V, or 220V single-phase before specifying the unit.
- Footprint: exterior dimensions of 40 × 36 × 79.5 inches and a 900 lb weight determine placement and floor loading.
- Safety and continuity: battery-backed alarms, power-failure recovery, and optional CO₂/LN₂ back-up protect samples during outages.
Specifications
| Specification | Detail |
|---|---|
| Capacity | 18 cu.ft. |
| Temperature Range | -40°C to -85°C |
| Defrost | Manual |
| Interior Capacity | 505 L / 18 cu.ft. |
| Rack Capacity | 20 racks |
| Shelving | 4 adjustable shelves (5 compartments) |
| Interior Dimensions | 23" × 26" × 51.25" (58 × 66 × 130 cm) |
| Exterior Dimensions | 40" × 36" × 79.5" (101 × 91 × 201 cm) |
| Temperature Control System | Touch-screen control displaying set point and chamber temperature; Hi/Low alarm with email and SMS notification; alarm-relay and power-failure dry contacts; battery back-up; viewable temperature graph; data logging downloadable via USB or FTP; multi-level security; VNC remote access via PC or smart devices |
| Access Port | 1/2" porthole in the left-hand side of the cabinet, with plugs |
| Refrigeration System | Cascade type — two hermetic compressors |
| Refrigerant | CFC-free R-508B and R-404A (CFC- & HCFC-free) |
| Condenser | Air-cooled with two heavy-duty fans; no liquid coolant required |
| Alarm System | Battery-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 |
| Power Failure Recovery | Automatic timer system restarts the unit after a power failure |
| Electrical Requirements | 115V / 208V / 230V, 60 Hz, 1-phase; 220V, 50/60 Hz, 1-phase |
| Optional Accessories | CO₂ and LN₂ back-up system; racks; cold safety gloves |
| Material | Chamber is 14-ga. Zinc coated galvanized steel. Exterior is 16-ga. steel. Power coated cool gray |
| Country of Origin | USA |
| GTIN (Barcode) | 797059930517 |
| Shipping Weight | 900 lbs |
| Dimensions (L × W × H) | 46 × 43 × 86 in |
| Component Size | 18 CF |
| Other Certification | UL Listed |
Available Sizes and Configurations
| SKU | Configuration | Pack |
|---|---|---|
| ULF-501UP | EA | EA |
Documentation
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Why Buy From LabSupplies.com
LabSupplies.com is an authorized Yamato Scientific dealer, so every ULF501UP ships as a genuine unit backed by the full manufacturer warranty. Order directly online and the freezer leaves USA inventory ready for delivery.
- Authorized Yamato dealer: genuine equipment with manufacturer warranty intact.
- In stock: ready to ship, with no back-order wait.
- Ships from USA inventory: domestic fulfillment for faster delivery.
- Lab-equipment specialists: talk through spec questions with a dedicated team before you order.
Frequently Asked Questions
What is the temperature range of the Yamato ULF501UP?
The ULF501UP operates from -40°C to -85°C. A cascade refrigeration system with two hermetic compressors and CFC-/HCFC-free R-508B and R-404A refrigerants drives the pull-down.
How much storage does the ULF501UP hold?
It provides 18 cubic feet (505 L) of interior capacity across four adjustable shelves and five compartments, with room for up to 20 racks. Interior dimensions are 23 × 26 × 51.25 inches; exterior dimensions are 40 × 36 × 79.5 inches.
What electrical supply does the ULF501UP require?
It is available for 115V, 208V, or 230V at 60 Hz single-phase, plus 220V at 50/60 Hz single-phase. Confirm your site voltage when ordering.
What materials is the cabinet made from?
The chamber is 14-gauge zinc-coated galvanized steel, and the exterior is 16-gauge steel finished in powder-coated cool gray.
What happens during a power failure?
An automatic timer system restarts the unit once power returns. A battery-backed alarm provides audible and visual warnings, and a relay supports remote alarm monitoring.
Is the ULF501UP manual or automatic defrost?
The ULF501UP uses manual defrost. Optional accessories include a CO₂ and LN₂ back-up system, additional racks, and cold safety gloves.