Chest Style Ultra Low Freezers -40°C To -85°C, 17 cu.ft., Manual Defrost Overview
The Chest Style Ultra Low Freezers -40°C To -85°C, 17 cu.ft., Manual Defrost (model ULF601C) is a Yamato Scientific laboratory freezer built for long-term sample storage at ultra-low temperatures. This chest-style unit holds 480 L (17 cu.ft.) and operates across a -40°C to -85°C range. LabSupplies.com supplies it as an authorized dealer.
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 drives two hermetic compressors using CFC- and HCFC-free R-508B and R-404A refrigerants. Air-cooled condensing with two heavy-duty fans removes any need for liquid coolant.
Electrical options cover 115V, 208V, and 230V at 60 Hz single-phase, plus 220V at 50/60 Hz. Exterior dimensions measure 81.25 × 33.5 × 48.5 in., and shipping weight reaches 975 lbs. Built in the USA, the freezer carries UL Listed certification.
Key Features
- Digital control system: microprocessor controller with a dual display showing set point and chamber temperature, scan button for setting, and tamper-proof lockout.
- Battery-operated alarm: audible and visual signal on mechanical or electrical failure, with over- and under-temperature settings, a silencing switch, and a battery test switch.
- Remote alarm relay: built-in relay lets the unit tie into a central building or facility monitoring system.
- Power failure recovery: automatic timer restarts the freezer after power is restored.
- Cascade refrigeration: two hermetic compressors and air-cooled condensing reach the full -40°C to -85°C range without liquid coolant.
- Storage capacity: 480 L interior accommodates up to 36 racks, with a 1/2 in. access port for probes or wiring.
How to Choose the Right Ultra-Low Freezer
Matching an ultra-low freezer to a lab means weighing storage volume against the temperature class, site power, and floor space the unit demands. Review these axes before specifying a model.
- Capacity: 480 L (17 cu.ft.) and 36-rack support determine how many samples a single unit can hold before a second purchase is needed.
- Temperature range: a -40°C to -85°C span fits enzymes, cell lines, and biological samples that require deep-cold storage.
- Control type: microprocessor digital control with dual display and tamper-proof lockout protects set points from accidental changes.
- Voltage and site power: confirm the available circuit (115V, 208V, 230V at 60 Hz, or 220V at 50/60 Hz) matches your facility before ordering.
- Footprint: verify the 81.25 × 33.5 × 48.5 in. exterior and 975 lb weight clear doorways and floor-load limits.
- Safety and monitoring: battery-backed alarms, a remote alarm relay, and power-failure recovery safeguard samples during outages.
Specifications
| Specification | Detail |
|---|---|
| Capacity | 17 cu.ft. |
| Temperature Range | -40°C to -85°C |
| Defrost | Manual |
| Interior Capacity | 480 L / 17 cu.ft. |
| Rack Capacity | 36 racks |
| Interior Dimensions | 69" × 20" × 21" (175 × 50 × 53 cm) |
| Exterior Dimensions | 81.25" × 33.5" × 48.5" (206 × 85 × 123 cm) |
| Temperature Control System | Digital control with dual display (set point and chamber temperature); scan button for temperature setting; tamper-proof lockout |
| 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 | Chart recorder; 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) | 797059929894 |
| Shipping Weight | 975 lbs |
| Dimensions (L × W × H) | 84 × 42 × 58 in |
| Component Size | 17 CF |
| Other Certification | UL Listed |
Available Sizes and Configurations
| SKU | Configuration | Pack |
|---|---|---|
| ULF-601C | EA | EA |
Documentation
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Why Buy From LabSupplies.com
LabSupplies.com sells the ULF601C as an authorized Yamato Scientific dealer, so every freezer ships as a genuine factory unit backed by the manufacturer warranty. Place your order directly online.
- Authorized Yamato Scientific dealer: genuine equipment with full manufacturer warranty coverage.
- In stock: ready to ship from USA inventory.
- Lab-equipment specialists: dedicated support for specification and compatibility questions.
Frequently Asked Questions
What temperature range does the ULF601C reach?
The ULF601C operates from -40°C to -85°C. A cascade refrigeration system with two hermetic compressors and CFC- and HCFC-free R-508B and R-404A refrigerants maintains the deep-cold range for long-term sample storage.
How much storage capacity does this freezer offer?
Interior capacity is 480 L (17 cu.ft.), supporting up to 36 racks. Interior dimensions measure 69 × 20 × 21 in. (175 × 50 × 53 cm), giving a chest-style layout for organized sample retrieval.
What voltage does the ULF601C require?
Electrical options include 115V, 208V, and 230V at 60 Hz single-phase, plus 220V at 50/60 Hz single-phase. Confirm your available circuit before ordering to match the unit to your facility power.
What materials is the freezer built from?
The chamber is 14-gauge zinc-coated galvanized steel and the exterior is 16-gauge steel finished in powder-coated cool gray. The unit is built in the USA and is UL Listed.
How does the freezer protect samples during a power failure?
A battery-operated alarm provides audible and visual signals on mechanical or electrical failure, with over- and under-temperature settings and a remote alarm relay. An automatic timer restarts the unit once power returns.
What are the shipping dimensions and weight?
Exterior dimensions are 81.25 × 33.5 × 48.5 in. (206 × 85 × 123 cm) and the unit weighs 975 lbs. Verify doorway clearance and floor-load capacity before delivery.