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The BDW-86L650 Ultra-Low Temperature Freezer is the large-capacity model of the BDW-86L Series — providing 650L of -86°C biological sample storage with 20 racks accommodating 400 storage boxes for high-volume national biobanks, large pharmaceutical biological archives, major research institute biological repositories, and industrial laboratory large-scale sample collections requiring substantially more -86°C storage than the standard 390–490L models provide. The BDW-86L650 expands the internal width to 780 mm (vs 589 mm in the standard models) — enabling the increased rack count from 16 to 20 within the same 1310 mm internal height — and transitions to a wider 1091 × 929 × 1990 mm external footprint that defines the large-format BDW-86L650 and BDW-86L770 as the high-capacity tier of the series.
The BDW-86L650 delivers large-capacity 650L -86°C ultra-cold storage — with stainless steel interior, thick insulation for superior temperature retention, touch screen control, data logging system, 20 racks/400 boxes configuration, adjustable shelving, durable construction, and comprehensive alarm and security infrastructure for large biobank, pharmaceutical, and research institution high-volume biological material preservation.
The BDW-86L650's stainless steel interior provides corrosion resistance and hygienic cleanability across the wider 780 × 637 × 1310 mm large interior volume — enabling thorough cleaning and disinfection of the large-capacity storage environment following biological material spills, sample container breakage, or periodic deep cleaning cycles required for maintaining biobank and pharmaceutical cold storage hygiene standards throughout the extended operational lifetime of a high-volume -86°C freezer.
The BDW-86L650's 20-rack/400-box configuration accommodates the high-volume biological material collections of national biobanks, large pharmaceutical biological archives, and major research institution biological repositories — providing 67% more storage boxes than the BDW-86L390 (240 boxes) and 25% more than the BDW-86L490 (320 boxes) within a single monitored, documented, and secured -86°C storage system.
The BDW-86L650's thick polyurethane insulation provides the thermal resistance required to maintain -86°C in the wider 780 × 637 mm large-format cabinet — reducing compressor duty, improving energy efficiency, and maintaining cold chain protection during power interruptions across the larger storage volume.
The BDW-86L650's touch screen and integrated data logging system provide operational management and continuous electronic temperature recording for the large-volume biological material collection — supporting pharmaceutical cold chain compliance, biobank quality management documentation, and research institution equipment qualification across the larger 650L storage environment.
The BDW-86L650's adjustable shelving system enables flexible height configuration within the wider 780mm interior — accommodating diverse biological storage container formats across the 20-rack configuration. Heavy-duty construction appropriate for the large 410 kg unit weight and high-volume biological material loading requirements of national biobank and large pharmaceutical archive operations.
The BDW-86L650 incorporates a full alarm system, mechanical lock, backup battery, and sensor protection — providing comprehensive cold chain protection for high-volume large biobank, pharmaceutical, and research institution -86°C biological material storage.
High condenser, power failure, high/low temperature, door open, and sensor failure alarms providing complete monitoring coverage for the large-volume 650L biological material collection.
Physical security for the high-volume biological material archive maintained at -86°C.
Alarm continuity throughout power interruptions affecting the large-volume biological material collection.
Temperature sensor integrity monitoring ensuring uninterrupted cold chain temperature monitoring for the large-capacity biological archive.
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