Chest Style Ultra Low Freezers -40°C To -85°C, 5 cu.ft., Manual Defrost Overview
The Chest Style Ultra Low Freezers -40°C To -85°C, 5 cu.ft., Manual Defrost (model ULF201C) from Yamato Scientific holds samples across a −40°C to −85°C range inside a 5 cu.ft. chamber. LabSupplies.com, an authorized dealer, stocks this ultra-low laboratory freezer for sample banks, cell lines, and reagent storage. A microprocessor digital controller manages set point and chamber temperature.
Cascade refrigeration pairs two hermetic compressors with CFC-free R-508B and R-404A refrigerants, reaching ultra-low temperatures without liquid coolant. Air-cooled condensing uses two heavy-duty fans. The chamber is built from 14-gauge zinc-coated galvanized steel; the exterior uses 16-gauge steel finished in powder-coated cool gray. Interior space measures 30″ × 18″ × 16″ and accepts up to 15 racks.
Electrical options cover 115V, 208V, and 230V at 60 Hz single-phase, plus 220V at 50/60 Hz, matching most North American and export sites. Exterior dimensions are 40.5″ × 31″ × 47″, and the unit ships at 525 lbs. Built in the USA and UL Listed, ULF201C includes battery-backed alarms, remote alarm contacts, and a 1/2″ access port.
Key Features
- Microprocessor digital control: a dual display shows set point and chamber temperature, with a scan button for setting and a tamper-proof lockout.
- Cascade refrigeration: two hermetic compressors and CFC-free R-508B and R-404A refrigerants reach −85°C without liquid coolant.
- Battery-backed alarm system: audible and visual signals fire on mechanical or electrical failure, with over- and under-temperature settings, a silencing switch, and a battery test switch.
- Remote alarm relay: a built-in relay supports remote alarm hook-up for centralized facility monitoring.
- Automatic power-failure recovery: a timer system restarts the unit once power is restored.
- 15-rack capacity: the 5 cu.ft. chamber holds up to 15 racks, and a 1/2″ access port accepts chart recorders or back-up systems.
How to Choose the Right Ultra-Low Freezer
Selecting an ultra-low freezer comes down to matching sample volume, target temperature, and site power to the unit. Weigh these axes .
- Capacity: the 5 cu.ft. (142 L) chamber and 15-rack layout determine how many samples you can bank; size for current inventory plus growth.
- Temperature range: a −40°C to −85°C span suits long-term storage of cell lines, plasma, and reagents that demand deep-cold stability.
- Control type: microprocessor digital control with dual display and tamper-proof lockout protects set points from accidental changes.
- Voltage: confirm your circuit matches the 115V, 208V, 230V, or 220V options before installation.
- Footprint: chest-style loading needs overhead clearance; verify the 40.5″ × 31″ × 47″ exterior and 525 lb weight against your floor and access route.
- Safety and continuity: battery-backed alarms, remote relay, and automatic power-failure recovery guard irreplaceable samples.
Specifications
| Specification | Detail |
|---|---|
| Capacity | 5 cu.ft. |
| Temperature Range | -40°C to -85°C |
| Defrost | Manual |
| Interior Capacity | 142 L / 5 cu.ft. |
| Rack Capacity | 15 racks |
| Interior Dimensions | 30" × 18" × 16" (76 × 45 × 40 cm) |
| Exterior Dimensions | 40.5" × 31" × 47" (102 × 81 × 119 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) | 797059929856 |
| Shipping Weight | 525 lbs |
| Dimensions (L × W × H) | 46 × 41 × 55 in |
| Component Size | 5 CF |
| Other Certification | UL Listed |
Available Sizes and Configurations
| SKU | Configuration | Pack |
|---|---|---|
| ULF-201C | EA | EA |
Documentation
More in This Series
- Chest Style Ultra Low Freezers -40°C To -85°C, 3 cu.ft., Manual Defrost
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- Chest Style Ultra Low Freezers -40°C To -85°C, 9 cu.ft., Manual Defrost
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View all Ultra-Low Temperature Freezers →
Why Buy From LabSupplies.com
LabSupplies.com ships the ULF201C as a genuine Yamato Scientific unit, ready to order directly from USA inventory. Our team supports procurement from quote-free purchase through delivery.
- Authorized Yamato Scientific dealer: every freezer is a genuine unit backed by the manufacturer warranty.
- In stock: the ULF201C is available now, not a special order.
- Ships from USA inventory: domestic fulfillment shortens lead times.
- Lab-equipment specialists: our team answers spec and installation questions before you buy.
Frequently Asked Questions
What temperature range does the ULF201C reach?
The ULF201C operates from −40°C to −85°C. Cascade refrigeration with two hermetic compressors and CFC-free R-508B and R-404A refrigerants sustains these ultra-low temperatures for long-term sample storage.
How much storage capacity and what are the interior dimensions?
Storage capacity is 5 cu.ft. (142 L) with room for up to 15 racks. Interior dimensions measure 30″ × 18″ × 16″ (76 × 45 × 40 cm).
What power supply does the ULF201C require?
Electrical options include 115V, 208V, and 230V at 60 Hz single-phase, plus 220V at 50/60 Hz single-phase. Confirm your circuit matches before installation.
What refrigeration system and refrigerants does it use?
A cascade system with two hermetic compressors drives cooling. It uses CFC-free R-508B and R-404A refrigerants and an air-cooled condenser with two heavy-duty fans, so no liquid coolant is required.
What materials is the freezer constructed from?
The chamber is 14-gauge zinc-coated galvanized steel. Its exterior is 16-gauge steel finished in powder-coated cool gray.
What safety and alarm features protect stored samples?
Battery-operated alarms emit audible and visual signals on mechanical or electrical failure. Over- and under-temperature settings, a silencing switch, a battery test switch, a remote alarm relay, and automatic power-failure recovery are included. The unit is UL Listed.
