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Refrigerator & Freezers
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Refrigerator & Freezers

Our Laboratory Refrigerators & Freezers category offers reliable, high-performance cold storage solutions designed to meet the strict demands of scientific, medical, and industrial environments. Whether you need precise temperature control for sensitive biological materials or compact refrigeration for fieldwork, our range provides optimized options for every application.


From Laboratory Refrigerators 2-8°C ideal for reagent and vaccine storage, to Laboratory Freezers -10°C to -40°C built for enzyme, plasma, and sample preservation, our units ensure consistent cooling performance. For ultra-sensitive samples requiring deep freezing, our Ultra-Low Temperature Freezers (ULT Freezers) maintain stable storage environments at -40°C to -86°C, supporting long-term storage of DNA, RNA, and cell cultures.


Need mobility or space-saving solutions? Our Portable / Compact Refrigerators & Freezers are perfect for mobile laboratories or facilities with limited space. Additionally, our Blood Bank Refrigerators comply with medical-grade standards to ensure the safe storage and traceability of blood and related products.


Choose our laboratory cold storage equipment for maximum reliability, temperature accuracy, and energy efficiency — supporting your research, diagnostics, and clinical applications with confidence.

  • TW-W458 Ultra-Low Temperature Freezer -105℃ 458L Cryogenic Biomedical Freezer for Laboratory and Research
    Capacity: 458L with food-grade 304 stainless steel liner
    Temperature range: -15℃ to -105℃ (model dependent)
    Temperature control: Microcomputer digital control with 0.1℃ accuracy, LED real-time display
    Security system: Multi-alarm protection (high/low temp, sensor failure, password lock) with sound & light alerts
    Cooling system: Imported compressor, cascade refrigeration, eco-friendly refrigerant, low-noise German EBM fan
    Design: Adjustable stainless steel shelves, caster wheels, safety door lock, USB data recording (optional)
    Power: 220V/50Hz, 500W–900W, Net weight 207–216kg
     
    Model: TW-W458 Series
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  • TW-W258 Ultra-Low Temperature Freezer -135℃ 258L Biomedical Cryogenic Freezer for Laboratory & Research
    Capacity: 258L with food-grade 304 stainless steel liner
    Temperature range: -15℃ to -135℃ (model dependent)
    Temperature control: Microcomputer digital control, 0.1℃ adjustment, LED real-time display
    Security system: Multi-alarm protection (high/low temp, sensor failure, power issue) with sound & light alerts
    Cooling system: Imported compressor, eco-friendly refrigerant, cascade refrigeration, low noise German EBM fan
    Design: Adjustable stainless steel shelves, caster wheels, safety door lock, USB data recording (optional)
    Power: 220V/50Hz, 350W–1150W, Net weight 162–171kg
     
    Model: TW-W258 Series
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  • TW-L58 Ultra-Low Temperature Freezer -86℃ 58L Biomedical Cryogenic Freezer for Laboratory & Research
    Capacity: 58L compact chamber with stainless steel liner
    Temperature range: -15℃ to -86℃ (model dependent)
    Temperature control: Microcomputer digital control, 0.1℃ adjustment, LED display
    Security system: Multiple alarms (high/low temp, sensor failure, power issue) with sound & light alerts
    Cooling system: Imported compressor, eco-friendly refrigerant, optimized cascade refrigeration
    Design: Adjustable stainless steel shelves, caster wheels, safety door lock, USB data recording (optional)
    Power: 220V/50Hz, 350W–380W, Net weight 83kg
     
    Model: TW-W58 Series
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  • TW-L938 Ultra-Low Temperature Freezer -86℃ 938L Biomedical Cryogenic Storage for Laboratory & Research
    Capacity: 938L large storage chamber
    Temperature range: -15℃ to -86℃ (model dependent)
    Temperature control: Microcomputer digital display, adjustable to 0.1℃
    Security system: Multiple alarms (high/low temp, power failure, sensor error) with sound & light alerts
    Cooling system: Imported compressor, eco-friendly refrigerant, optimized cascade refrigeration
    Interior: Food-grade 304 stainless steel liner with adjustable shelves
    Design: LED display, caster wheels, safety lock, optional USB data recording
     
    Model: TW-L938 Series
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  • TW-L508 Series Ultra Low Temperature Freezer -40℃ to -86℃ 508L Large Capacity Laboratory and Medical Freezer
    External dimensions: 870×1030×1975 mm; Internal dimensions: 570×710×1255 mm
    Chamber temperature range: -15~-40℃ (TW-40L508), -25~-60℃ (TW-60L508), -40~-86℃ (TW-86L508)
    Capacity: 508 L; Net weight: 250 kg
    Microcomputer digital control with real-time LED display and 0.1℃ accuracy
    Comprehensive alarm system with sound and light alerts for temperature, sensor, and power failures
    High-efficiency cooling system with imported compressor, eco-friendly refrigerant, and extra-thick insulation
    304 stainless steel inner liner, adjustable shelves, safety lock, universal casters, optional USB data logging
     
    Model: TW-L508 Series
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  • TW-L158 Series Ultra Low Temperature Freezer -40℃ to -86℃ 158L Laboratory and Medical Freezer
    External dimensions: 700×700×1580 mm; Internal dimensions: 460×455×800 mm
    Chamber temperature range: -15~-40℃ (TW-40L158), -25~-60℃ (TW-60L158), -40~-86℃ (TW-86L158)
    Capacity: 158 L; Net weight: 123–128 kg
    Microcomputer digital control with 0.1℃ adjustment accuracy and real-time LED display
    Advanced alarm system: high/low temperature, sensor failure, power issues with sound and light alerts
    Efficient cooling system with imported compressor, eco-friendly refrigerant, and extra-thick insulation
    304 stainless steel inner liner, adjustable shelves, safety lock, universal casters, and optional USB data logging
     
    Model: TW-L158 Series
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  • TW-L58 Series Ultra Low Temperature Freezer -40℃ to -86℃ Small 58L Laboratory & Medical Freezer
    External dimensions: 540×620×1115 mm (TW-40L58 / TW-60L58), 600×665×1145 mm (TW-86L58); Internal dimensions: 364×405×410 mm
    Chamber temperature range options: -15~-40℃ (TW-40L58), -25~-60℃ (TW-60L58), -40~-86℃ (TW-86L58)
    Capacity: 58 L, Net weight: 73–78 kg
    Microcomputer digital control with LED display, temperature adjustment unit 0.1℃
    Advanced alarm system: high/low temperature, power, and sensor failure with sound and light alerts
    Efficient refrigeration with imported compressor, eco-friendly refrigerant, thick foam insulation, and double-seal door design
    Food-grade 304 stainless steel liner, adjustable shelves, safety door lock, universal casters, optional USB data logging
     
    Model: TW-L58 Series
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  • TW-L28 Series Ultra Low Temperature Freezer -40℃ to -86℃ Small Capacity Laboratory & Medical Freezer
    External dimensions: 470×490×1120 mm, Internal dimensions: 270×265×400 mm, Volume: 28 L
    Temperature range options: -15~-40℃ (TW-40L28), -25~-60℃ (TW-60L28), -40~-86℃ (TW-86L28)
    Microcomputer digital control with LED temperature display, adjustment unit 0.1℃
    Advanced security system with high/low temperature, power, and sensor alarms, plus multiple protection functions
    Optimized self-cascade refrigeration system with imported compressor, eco-friendly refrigerant, and low energy consumption
    Food-grade 304 stainless steel liner, adjustable shelves, safety door lock, universal casters for mobility
    Optional digital temperature recorder with USB interface for data logging and analysis
     
    Model: TW-L28 Series
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  • Ultra Low Temperature Freezer -40℃ to -86℃ for Biological Sample Storage – Model T-86V340E
    External dimensions: 854×1006×1907 mm, Interior dimensions: 488×607×1140 mm, Volume: 340 L
    Temperature range: -40℃ to -86℃, microprocessor control, LED digital display
    Direct cooling with auto-cascade system, VIP insulation, multi-layer sealing for stable ultra-low temperature
    Alarms: high/low temperature, power failure, sensor error, abnormal voltage, door ajar, condenser clean, low battery
    Storage capacity: 192 boxes (2-inch), 19200 samples (2ml), adjustable SUS304 racks and foamed inner doors
    Energy-efficient, CFC-free refrigerant, power consumption 13.09 kWh/24h, noise level 52 dB
    Optional accessories: chart recorder, data logger, CO2 or LN2 backup system, gloves
     
    Model: T-86V340E
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  • 2-8℃ Medical Pharmacy Refrigerator for Hospitals, Clinics, and Laboratories – TYC-L Series
    External dimensions vary by model, width 450–1880 mm, depth 550–745 mm, height 860–2070 mm
    Internal dimensions range from 370×460×640 mm to 1790×590×1570 mm
    Temperature control range: 2–8°C, accuracy 0.1°C, digital microcomputer control
    CFC-free environmentally friendly refrigerant, German EBM silent fan, stable and low-noise operation
    Security: safety door lock, high/low temperature alarm, power failure alarm, door open alarm, sensor failure alarm
    Adjustable shelves with labeling for easy access, 304 stainless steel interior, wide voltage design 187–242V
    Volume options: 70–1360 L, power 170–720 W, net weight 39–195 kg depending on model
     
    Model: TYC-L Series
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To Make The World Closer To The Truth
ZHEJIANG TOP INSTRUMENT CO.,LTD., as a subsidiary of TOP Cloud agri, is a high-tech enterprise specializing in the R&D, manufacturing, sales for laboratory equipments, and provision of comprehensive laboratory solutions.

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