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PHCbi MDF-DU702VH Ultra-Low Temperature Freezer 729L Three-Phase 200V Model

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PHCbi
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Used
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Product description

Ultra-low temperature freezer 729L capacity, -85°C cooling, microprocessor control, ideal for biotechnology storage. Status: open State: used Price: 990000 Price_From: null Amount: 1 External_ID: 6542 Weight: 283 Width: 103 Height: 199.3 Length: 88.2 Shipping_Info: null Delivery_Info: null Additional_Info: Used condition; sold as-is; confirm functional status before purchase. 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Low temp: shell and tube", "category": "Performance", "position": 19, "source": "product description"}, {"name": "Refrigerant", "value": "HC refrigerant (non-CFC) for both high and low temp sides", "category": "Performance", "position": 20, "source": "product description"}, {"name": "Power Supply", "value": "Three-phase 200 V, 50/60 Hz", "category": "Electrical", "position": 21, "source": "product description"}, {"name": "Rated Power Consumption", "value": "540 W (50 Hz) / 550 W (60 Hz)", "category": "Electrical", "position": 22, "source": "product description"}, {"name": "Power Capacity", "value": "20 A (both 50 Hz and 60 Hz)", "category": "Electrical", "position": 23, "source": "product description"}, {"name": "Max Heat Emission", "value": "3672 kJ/h (50 Hz), 3600 kJ/h (60 Hz)", "category": "Performance", "position": 24, "source": "product description"}, {"name": "Cooling Performance", "value": "-85 °C at 30 °C ambient, no load", "category": "Performance", "position": 25, "source": "product description"}, {"name": "Temperature Control Range", "value": "-85 °C to -40 °C (ambient 5 °C to 30 °C)", "category": "Performance", "position": 26, "source": "product description"}, {"name": "Temperature Adjustment", "value": "Microcomputer control", "category": "Features", "position": 27, "source": "product description"}, {"name": "Temperature Display", "value": "LCD touchscreen", "category": "Features", "position": 28, "source": "product description"}, {"name": "High Temperature Alarm Range", "value": "Settable +5 °C to +40 °C, factory set +10 °C", "category": "Safety", "position": 29, "source": "product description"}, {"name": "Low Temperature Alarm Range", "value": "Settable -5 °C to -40 °C, factory set -10 °C", "category": "Safety", "position": 30, "source": "product description"}, {"name": "Filter Alarm", "value": "Filter status display, no buzzer, no remote output", "category": "Safety", "position": 31, "source": "product description"}, {"name": "Door Alarm", "value": "Door status display, buzzer with 2 min delay (0–15 min adjustable)", "category": "Safety", "position": 32, "source": "product description"}, {"name": "Remote Alarm Contact", "value": "DC 30 V, 2 A max contact capacity", "category": "Safety", "position": 33, "source": "product description"}, {"name": "Operation Monitor", "value": "Status display for ambient temperature abnormalities and overload operation", "category": "Features", "position": 34, "source": "product description"}, {"name": "Self-Diagnosis Function", "value": "Warning and message display for sensor failures with buzzer and remote alarm", "category": "Features", "position": 35, "source": "product description"}, {"name": "Power Failure Alarm", "value": "Message display with buzzer and remote alarm output", "category": "Safety", "position": 36, "source": "product description"}, {"name": "Battery Alarm", "value": "Message display", "category": "Safety", "position": 37, "source": "product description"}, {"name": "Memory Backup", "value": "Non-volatile memory", "category": "Features", "position": 38, "source": "product description"} ]

The PHCbi MDF-DU702VH is a three-phase 200V ultra-low temperature freezer with a 729-liter effective volume specifically designed for biotechnology and biomedical laboratory applications including molecular diagnostics and bioprocessing cold storage. Featuring a robust painted steel exterior and interior with triple insulated doors using rigid polyurethane foam combined with vacuum insulation panel technology ensures superior thermal efficiency and stable cooling performance down to -85 °C. Dual refrigeration circuits and a natural convection cooling system with HC refrigerants enable reliable and environmentally responsible ultra-low temperature storage critical for live-cell imaging sample preservation and biopharmaceutical production pipelines.

Key technical features include:

  • Capacity: 729 L with stainless steel shelves supporting up to 50 kg each, accommodating large sample volumes for gene editing and molecular biology workflows.
  • Temperature Control: Microcomputer-controlled LCD touchscreen providing precise temperature adjustments between -85 °C and -40 °C, suitable for sensitive biochemical and synthetic biology sample preservation.
  • Alarm Systems: Multi-level safety with high/low temperature alarms, door and filter status monitoring, power failure warnings, and remote alarm outputs enabling uninterrupted monitoring in critical lab environments.
  • Physical Dimensions: External size W103 x D88.2 x H199.3 cm, weight 283 kg optimized for integration into biomanufacturing and clinical diagnostics labs.
  • Power: Operates on three-phase 200 V with energy-efficient compressor and condenser units optimized for continuous ultralow temperature environments important in bioprocessing cold chain reliability.

This freezer is essential for molecular cloning workflows, synthetic biology research storage, and biopharmaceutical cold-chain applications where permanent -85 °C storage conditions are critical. Sold as a used unit in unopened condition, buyers should verify performance for their specific biotechnology applications before purchase.

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Frequently asked questions

How long does laboratory equipment typically last?

With a service contract, ten to fifteen years is normal for most benchtop instruments. Detectors and pumps are the parts that wear first.

Can I get service for older equipment?

Often, yes. Verified suppliers frequently work with service partners converting the instrument. If applicable, we can list servicing options alongside the offer.

Where can I buy parts?

Ask a scientist through the request button. Parts are often available even when the instrument itself is discontinued.

What is the typical lead time for refurbished equipment?

Two to six weeks, depending on refurbishment scope and whether calibration is included.

Does laboratory equipment ship internationally?

We ship to 38 countries. Crating and customs handling are quoted with the instrument.

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Last updated 8 November 2026