Yamato ULF Series Ultra-Low Vertical (Upright) Freezers are designed to meet the strictest demands in ultra-low temperature storage for laboratory and clinical environments. With advanced cascade refrigeration and precise digital control, these models deliver consistent -40˚C to -85˚C temperatures for critical sample preservation, including COVID-19 vaccines.
Available Models:
- ULF401U – 370L / 13 cu.ft.
- ULF501U – 505L / 18 cu.ft.
- ULF601U – 626L / 22 cu.ft.
- ULF701U – 710L / 25 cu.ft.
- ULF801U – 792L / 28 cu.ft.
- ULF901U – 877L / 31 cu.ft.
Features
- Reliable cascade refrigeration system with 2X variable speed hermetic compressors
- Digital temperature displays for both setpoint and chamber temperature
- Battery-operated alarm system with audible/visual alerts
- Alarm relay for remote connection
- CFC & HCFC-free refrigerants
- 2X heavy-duty cooling fans ensure constant airflow
- On-demand energy saving function
- Constant flow operation ensures temperature stability
- Optional CO₂ or LN₂ backup systems
Applications:
Perfect for clinics, research facilities, small labs, hospital rooms, and medical clinics requiring safe and energy-efficient ultra-low temperature storage.
Technical Specifications
| Model | Capacity | Rack Capacity | Shelving | Temp. Range | Internal Dimensions (W×D×H) | External Dimensions (W×D×H) |
|---|---|---|---|---|---|---|
| ULF401U | 370L / 13 cu.ft. | 15 | 4 adjustable (5 compartments) | -40°C to -85°C | 20” x 22” x 51.25” (50 x 55 x 130 cm) |
35" x 34.5" x 79.5" (88 x 87 x 201 cm) |
| ULF501U | 505L / 18 cu.ft. | 20 | 4 adjustable (5 compartments) | -40°C to -85°C | 23” x 26” x 51.25” (58 x 66 x 130 cm) |
40" x 36" x 79.5" (101 x 91 x 201 cm) |
| ULF601U | 626L / 22 cu.ft. | 25 | 4 adjustable (5 compartments) | -40°C to -85°C | 28.5” x 26” x 51.25” (72 x 66 x 130 cm) |
43" x 37" x 79.5" (109 x 93 x 201 cm) |
| ULF701U | 710L / 25 cu.ft. | 30 | 4 adjustable (5 compartments) | -40°C to -85°C | 34” x 25” x 51.25” (86 x 63 x 130 cm) |
50" x 37" x 79.5" (127 x 93 x 201 cm) |
| ULF801U | 792L / 28 cu.ft. | 30 | 4 adjustable (5 compartments) | -40°C to -80°C | 38” x 25” x 51.25” (96 x 63 x 130 cm) |
54" x 37" x 79.5" (137 x 93 x 201 cm) |
| ULF901U | 877L / 31 cu.ft. | 35 | 4 fixed (5 compartments) | -40°C to -80°C | 42” x 25” x 51.25” (106 x 63 x 130 cm) |
60.5" x 37" x 79.5" (153 x 93 x 201 cm) |
Additional Specifications:
- Control System: Digital display with temperature setpoint and real-time chamber temperature
- Alarm: Audible and visual battery-operated alarm system with relay
- Refrigeration: Cascade system with dual hermetic compressors
- Construction: 14-ga zinc-coated galvanized steel interior, 16-ga powder-coated steel exterior
- Electrical: 115V / 208V / 230V / 220V (50/60Hz, 1 phase)
Optional Accessories
- Chart recorder
- CO₂ and LN₂ backup systems
- Racks and cryoboxes
- Cold safety gloves