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The Jindal SMI-165EJ-777 Ultra Low Temperature Freezer, with a temperature range of -40°C to -86°C, stands out as a top performer in the ultra low temperature freezer market. Designed with a next-generation refrigeration system, it delivers rapid and reliable cooling. Its advanced microcomputer control system, combined with platinum resistor sensors, allows precise temperature adjustments within the specified range. The freezer features comprehensive thermal insulation, incorporating high-efficiency VIP Plus vacuum insulation panels on all six sides of the cabinet to enhance energy efficiency and maintain stable internal temperatures. This upright freezer is well-suited for hospitals, blood banks, public health organizations, academic institutions, research centers, and biotechnology applications.
The -40°C to -86°C Ultra Low Temperature Freezer SMI-165EJ-777 features a next-generation refrigeration system that ensures rapid cooling. It reliably maintains internal temperatures within the -40°C to -86°C range. The CFC-free mixed refrigerant delivers excellent cooling performance while being environmentally friendly.
The deep freezer is built with high-efficiency VIP vacuum insulation panels on all six sides of the cabinet. Its dual-layer insulated door, combined with a double-sealing design, significantly enhances thermal insulation and ensures uniform temperature distribution within the ultra low temperature freezer.
The combination of 130mm CFC-free PU foam and high-quality vacuum insulated panels provides superior insulation, preventing rapid temperature increases and ensuring low energy consumption. The design of foam inner doors, built-in vacuum insulation board and triple independent silicone sealing strip design make the insulation performance excellent.
The ULT freezer uses natural green gases as refrigerants to meet safety requirements for usage. These natural hydrocarbon refrigerants are SNAP-compliant according to U.S. regulations. Additionally, this is supported by European Union regulation (EU-517/2014). The foaming agents used during manufacturing are fully controlled to ensure they are environmentally friendly.
The intelligent control of the inverter compressor optimizes its running speed based on the conditions. When the inverter compressor is operating normally, it runs for longer periods than a conventional compressor but at a minimal speed. This reduces power consumption and helps maintain a stable freezer temperature. When the door is opened, the compressor adjusts its speed to quickly bring the temperature inside the freezer back down to the set value before resuming its normal cycle.
The cascade system consists of two independent refrigeration cycles: a low-stage cycle and a high-stage cycle. These cycles are connected through a cascade condenser. The high-stage and low-stage systems operate separately using different refrigerants, with the evaporator of the first cycle cooling the condenser of the second cycle. The first stage lowers the temperature to -40°C, while the second stage further reduces it to -86°C using natural refrigerants.
Two-stage cascade refrigeration system
Inverter technology with dual inverter compressors
Temperature uniformity of ±4°C
Pull-down time to -80°C within 5 hours
High-definition, user-friendly control panel allows temperature setting from -40°C to -86°C, with digital display accuracy of 1°C
Lockable door, keyboard lock, and password protection prevent unauthorized access and operation
Adjustable stainless steel shelves (x3), inner door, and double silicon gasket seal for enhanced insulation
Chart recorder
CO₂ backup system
Freezer racks, boxes, and tubes
Remote alarm system
Modbus protocol for data transfer
Card or fingerprint access
Compliance with 21 CFR Part 11 regulation
Model | SMI-165EJ-777 |
Capacity(L) | 777 |
Internal size(W X D X H)mm/Inch | 865 X 696 X 1286/ 34.0 X 27.4 X 50.6 |
External size(W X D X H)mm/Inch | 1205 X 1025 X 1955/ 47.4 X 40.4 X 77.0 |
Package size(W X D X H)mm/Inch | 1320 X 1155 X 2171/ 52.0 X 45.5 X 85.5 |
NW/GW(Kgs) | 365/462(wood packing) |
Temperature range | -40 to -86℃ |
Ambient temperature | 16-32℃ |
Cooling performance | -86℃ |
Climate class | N |
Controller | Microprocessor |
Display | 10‘’HD Intelligent touch screen |
Compressor | 2 Nos. |
Cooling method | Direct cooling |
Defrost mode | Manual |
Refrigerant | High stage: R290, Low stage: R170 |
Insulation thickness(mm) | L/R:130,B:130 |
External material | Cold rolled steel |
Inner material | Stainless steel |
Shelves | 3(stainless steel) |
Access port | 2pc. Ø 25 mm |
Casters | 4+(2 leveling feet) |
Data Logging/Interval/Memory capacity | USB/Record every 5 minutes / 10 years |
Backup battery | Yes |
Temperature | High/Low temperature, High ambient temperature |
Electrical | Power failure , Low battery, Battery power detection failure |
System | Sensor failure, Communication error, Condenser overheating, Door ajar |
Freezer rack model | SS-304-552B-CT |
Freezer rack/box (quantity） | 24/600 |
Product Brochure Link here
