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Shanghai Moxi Scientific Instrument Co., Ltd
Sterling ultra-low temperature refrigerator - a better choice for transporting biological samples
Date: 2018-01-04Read: 1
Sterling portable ultra-low temperature refrigerator, a better choice for transporting biological samples
The cold chain transfer and transportation of biological samples and products have always been a widely concerned issue. Today, Xiaoke brings you a rare and high-performance ultra-low temperature refrigerator on the market——Sterling portable ultra-low temperature refrigeratorIt will effectively solve the safety and convenience issues of transporting biological samples and products.
Firstly, as a portable refrigerator, let's take a look at its main features?
Lightweight (less than 18 kilograms), low shipping cost, and easy to operate
The chassis is sturdy and can be easily placed upright, sideways, or upside down when not in use
The plug can be inserted into any socket without the need to convert the socket to 240V, reducing costs
Self integrated, occupying small space, researchers can place it freely in the workplace
Supports 12V DC power supply, can plug the refrigerator into a portable power bank, car power bank, etc
100% natural refrigerant
The capacity is sufficient to meet the general sample transfer needs, 9 cubic feet (25 liters).
In addition, more importantly, the Stirling ultra-low temperature refrigerator with technology hasTemperature stability, energy consumption, and very low maintenance costs in the later stageSuch characteristics. Temperature stability can ensure safer and more reliable transportation of samples, with an energy consumption of<2.8 kWh/day @ -80 ℃, equivalent to the energy consumption of a light bulb. Its structure also makes it difficult to damage, and the maintenance cost in the later stage is much lower than that of a typical ultra-low temperature refrigerator. In addition, the warranty standard is unified, with a one-year warranty period, during which parts and labor services are free of charge.
Why do Stirling refrigerators have these features?
Compared to traditional ultra-low temperature refrigerators that use stacked compressor systems, Stirling refrigerators use a reciprocating piston and a continuous gravity driven thermosiphon for cooling. The stacked compressor system switches the compressor through a temperature sensor, while the linear motor system of the Stirling engine controls the movement of the free piston to adaptively adjust and adapt to temperature changes without start stop cycles, making the internal temperature of the refrigerator more stable. The moving parts do not come into contact, there is no friction, and there will be no oil blockage or valve maintenance in the stacked compressor.
In early 2016, UIC (University Testing Center) launched a project to monitor energy consumption using the Panoramic Power system and temperature stability using the Monnit Corporation system for Sterling refrigerators and two other brands of ultra-low temperature refrigerators. Ultimately, it was found that Sterling's energy consumption decreased by an average of 70%, but the temperature remained more stable.
More product technical parameters
| ShuttleTMModel ULT-25NE | |
| Product Item Number | SC-44199-05 |
| Application, rated values, and electrical parameters | |
| application | Storage laboratory general materials (non flammable) |
| storage capacity | 25 liters (0.9 cubic feet) |
| storage capacity | 18 standard 2 'sample boxes |
| temperature range | At room temperature of 32 ℃ (90 ℉), the temperature range is -86 ℃ to -20 ℃, and the temperature difference between the upper and lower parts is ± 3 ℃ at -80 ℃; It can be adjusted in increments of 1 ℃. |
| Preset to -86 ℃ (default), -40 ℃, and -20 ℃ | |
| power | AC 120V or 240V; 60Hz or 50Hz; or 12V DC mobile power supply |
| Zui High Power (Current) | 280 W (4A @120V, 2A @240V) |
| Automatic voltage capacity | 100V - 240V, 50 or 60 Hz |
| Rated power supply | 1 or higher grounding circuit |
| Optional power plug | NEMA 5-15P plug needs to be equipped with a standard NEMA 5-15R socket (120V); Length: 2987 mm (72 in.) or NEMA 6-15P plug with standard NEMA 6-15R socket (240V); Length: 2987 mm (72 in.) |
| We can also provide other models according to your requirements. Please specify when placing an order. | |
| Certification/Institution Directory | CE |
| noise | Advanced noise control level,<45 dB (A) at 1 meter |
| Indoor/Outdoor Use | Indoor use only |
| Application Environment | Non corrosive, non flammable, non explosive |
| Operating environment temperature | +5 ℃ to+35 ℃ (41 ℉ -95 ℉) |
| controller | |
| controller type | microprocessor control |
| safety | The refrigerator cover can be locked |
| High/low temperature alarm | Set value ± 10 ℃ |
| Control sensors | 1 resistance temperature detector (RTD) (PT100 *) |
| dry contact | optional |
| refrigeration system | |
| Refrigeration engine | Free piston Stirling engine using helium as the medium, continuously adjustable |
| Heat transfer system | Gravity driven thermosiphon |
| refrigerant | 10-12 grams of R-170 (ethane) |
| evaporator | Cold wall (inner lining) |
| Heat dissipation | Fin heat exchanger with forced air cooling function |
| Air inlet: located on the front right side of the device | |
| Air outlet: located below the control panel in the front of the mechanical room | |
| Defrosting method | manual |
| Performance parameters (empty cabinet) | |
| Steady state energy consumption | 2.8 kWh/day at -80 ℃ (average power of 118W) |
| (ENERGY STAR ® Zui Final Test Method) | |
| Heat dissipation (-80 ℃, HVAC load) | 403 BTU/h |
| Reduce the room temperature from 25 ℃ to -80 ℃ | 4 hours |
| After opening the door for 1 minute, the temperature returns to -80 ℃ | 20 minutes |
| (ENERGY STAR ® Zui Final Test Method) | |
| Thermal insulation capacity (from -80 ℃) | 30 minutes to reach -60 ℃, |
| Raise to -40 ℃ in 70 minutes, | |
| Rise to -20 ℃ in 130 minutes | |
| Size and structure | |
| Internal dimensions (length x width x height) | 332 x 221 x 340 mm | (13.1 x 8.7 x 13.4 in.) |
| External dimensions (length x width x height) | 692.5 x 350 x 460 mm | (27.3 x 13.8 x 18.1 in.) |
| Net weight (empty container) | 21 kg (46 lbs.) |
| Shipping dimensions (length x width x height) | 787.4 x 482.6 x 584.2 mm | (31 x 19 x 23 in.) |
| Shipping weight | 26.3 kg (58 lbs.) |
| insulation | High performance vacuum insulated panel and environmentally friendly design |
| CO2Polyurethane foam with foaming agent | |
| Pad heater | User programmable duty cycle |
| optional parts | Practical plastic bucket, AC power cord, DC mobile power cord, inner cover, calibration certificate, temperature distribution verification, and remote alarm contacts |
Application field
Biobank, transfer of biological samples
Other applications related to drug delivery