Temporarily unavailable. Yamato Scientific America has temporarily suspended sales of the ULF and LTF freezer series to comply with EPA and CARB refrigerant requirements. Yamato is replacing them with the VUF and VLF series.
Why order the LTF501U from LabSupplies.com
Key Features
- 7-day factory testing: every freezer is fully tested for 7 days under demanding conditions, with a constant low setpoint guaranteed in warm +30°C ambient environments.
- Configurable storage: 505 L / 18 cu.ft. interior with 4 adjustable shelves forming 5 compartments and capacity for 20 racks.
How to Choose the Right Low-Temp Freezer
Selecting a laboratory low-temperature freezer means matching storage volume, temperature target, and site power to how your samples are handled. Use the criteria below to confirm the unit fits both your protocols and your facility.
- Capacity: match interior volume to your sample load and rack count. This model offers 505 L / 18 cu.ft. with room for up to 20 racks, so estimate future growth, not just current inventory.
- Voltage and site power: confirm your outlet before ordering. Options span 115V, 208V, and 230V at 60 Hz plus 220V at 50/60 Hz, 1-phase.
- Footprint: measure doorways and floor space against the 40" × 36" × 79.5" exterior and 900 lb shipping weight before delivery.
Specifications
| Specification | Detail |
|---|---|
| Capacity | 18 cu.ft. |
| Temperature Range | 0°C to -40°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 | Digital control with two displays — one shows the set temperature, the other the actual chamber temperature |
| Refrigeration System | Single-stage system with one hermetic compressor |
| Refrigerant | CFC- & HCFC-free |
| 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 |
| Performance Testing | Every freezer is fully tested for 7 days under demanding conditions; constant low setpoint guaranteed in warm (+30°C) ambient environments |
| 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) | 797059930128 |
| Shipping Weight | 900 lbs |
| Shipping Dimensions (L × W × H) | 46 × 43 × 86 in |
| Component Size | 18 CF |
| Other Certification | UL Listed |
| Warranty | 1 year (Yamato Scientific America) |
| Service | Calibration and preventive maintenance on site by Yamato-certified technicians or at Yamato's California service center |
Compare LTF Series Models
| Model | Capacity | Racks | Interior (W × D × H) | Exterior | Shipping weight |
|---|---|---|---|---|---|
| LTF401U | 13 cu.ft. | 15 racks | 20" × 22" × 51.25" (50 × 55 × 130 cm) | 35" × 34.5" × 79.5" (88 × 87 × 201 cm) | 850 lbs |
| LTF501U (this model) | 18 cu.ft. | 20 racks | 23" × 26" × 51.25" (58 × 66 × 130 cm) | 40" × 36" × 79.5" (101 × 91 × 201 cm) | 900 lbs |
| LTF601U | 22 cu.ft. | 25 racks | 28.5" × 26" × 51.25" (72 × 66 × 130 cm) | 43" × 37" × 79.5" (109 × 93 × 201 cm) | 975 lbs |
| LTF701U | 25 cu.ft. | 30 racks | 34" × 25" × 51.25" (86 × 63 × 130 cm) | 50" × 37" × 79.5" (127 × 93 × 201 cm) | 1125 lbs |
| LTF901U | 28 cu.ft. | 30 racks | 38" × 25" × 51.25" (96 × 63 × 130 cm) | 54" × 37" × 79.5" (137 × 93 × 201 cm) | 1125 lbs |
All models in this group share: temperature range 0°C to -40°C.
Ordering Information
| Catalog number | GTIN / UPC |
|---|---|
| LTF-501U | 797059930128 |
| Manufacturer | Yamato Scientific |
| Manufacturer part number | LTF-501U |
| UNSPSC | 41103000 — Ultra Low Freezer |
| HTS code | 8418.69.0180 |
| Export classification (ECCN) | EAR99 |
Documents & Downloads
- Yamato LTF Series Low-Temperature Freezer brochure (PDF, 593 KB)
- Yamato Scientific America product page
More in This Series
- Yamato LTF501C Chest Style Low Temperature Freezers 0°C To -40°C, 14 cu.ft., Manual Defrost
- Yamato LTF301CP Platinum Chest Style Low Temperature Freezers 0°C To -40°C, 9 cu.ft., Manual Defrost
- Yamato LTF401U Upright Style Low Temperature Freezers 0°C To -40°C, 13 cu.ft., Manual Defrost
- Yamato LTF401C Chest Style Low Temperature Freezers 0°C To -40°C, 12 cu.ft., Manual Defrost
- Yamato LTF601C Chest Style Low Temperature Freezers 0°C To -40°C, 17 cu.ft., Manual Defrost
- Yamato LTF601U Upright Style Low Temperature Freezers 0°C To -40°C, 22 cu.ft., Manual Defrost
View all Low-Temperature Freezers →
Frequently Asked Questions
What temperature range does the LTF501U reach?
The LTF501U operates from 0°C to -40°C. A dual digital display shows both the set temperature and the actual chamber temperature, and the unit holds a constant low setpoint even in warm +30°C ambient environments.
How much storage capacity and how many racks does it hold?
Interior capacity is 505 L / 18 cu.ft. with room for up to 20 racks. Four adjustable shelves create five compartments, with interior dimensions of 23" × 26" × 51.25" (58 × 66 × 130 cm).
What are the electrical requirements?
The freezer supports 115V, 208V, and 230V at 60 Hz, plus 220V at 50/60 Hz, all 1-phase. Confirm your outlet voltage before ordering so the unit matches your facility power.
Does the freezer include an alarm system for sample protection?
Yes. A battery-operated alarm emits audible and visual signals on mechanical or electrical failure, with over- and under-temperature settings, an alarm silencing switch, a battery test switch, and a relay for remote alarm hookup.
What is the UNSPSC code for the Yamato LTF501U?
The Yamato LTF501U is classified under UNSPSC 41103000 (ultra low freezer).
Where is the Yamato LTF501U manufactured?
Yamato Scientific lists USA as the country of origin for the LTF501U.
Is there a spec sheet or brochure for the Yamato LTF501U?
Yes. The Yamato LTF Series Low-Temperature Freezer brochure (593 KB PDF) is linked under Documents & Downloads on this page.
What are the interior dimensions of the Yamato LTF501U?
The Yamato LTF501U chamber measures 23" × 26" × 51.25" (58 × 66 × 130 cm) inside (W × D × H).
What refrigeration system does the Yamato LTF501U use?
The Yamato LTF501U uses single-stage system with one hermetic compressor, CFC- & HCFC-free refrigerant and manual defrost.
What certifications does the Yamato LTF501U carry?
Yamato lists the LTF501U as UL Listed.
What optional accessories are available for the Yamato LTF501U?
Yamato offers these options for the LTF501U: chart recorder; CO₂ and LN₂ back-up system; racks; cold safety gloves.
