WDF-86V838E -86°C Cascade System by WinHyCare
New Generation -86°C Cascade System -40°C to -86°C

WDF-86V838E 838L Cascade -86°C Ultra Low Temperature Freezer

New-Generation 838L cascade -86°C ultra-low freezer — the largest in the range. Two SECOP compressors share the load with redundancy (one holds near -70°C if the other fails), and VIP + PURF insulation with a 7-inch touch controller delivers maximum-volume storage of up to 60,000 vials for high-throughput biobanks and central labs.

Capacity

838L

Temperature

-40°C to -86°C

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ISO 9001, ISO 13485, ISO 14001 Certified

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New Generation · More efficient, more economical.

Why the New-Generation 838L ULT

Super Cooling Performance

Pulls down to −80 °C in around 3 hours for fast, dependable sample protection.

Advanced Insulation

Vacuum Insulation Panels plus high-density PU foam and improved door sealing minimise cold loss.

Intelligent 7″ Controller

Eye-level colour touch screen with live temperature graphs, status and parameter monitoring.

CFC-Free & Durable

Eco-friendly mixed-gas refrigerant with a sturdy, anti-corrosion cabinet built for long service life.

Performance

Two SECOP compressors share the refrigeration load so the WDF-86V838E pulls down fast and, if one compressor ever fails, the other holds the chamber near −70 °C.

268 min

Pull-down to −80 °C

304 min

Hold-over / warm-up

23 min

Recovery to −75 °C

Intelligent 7″ Controller

  • Eye-level 7-inch colour LCD touch screen for intuitive, no-stoop operation
  • Live temperature display with on-screen graphs and trend history
  • Freezer status and operating parameters monitored at a glance
  • Complete alarm system protects valuable bio-samples
  • USB port for one-click temperature-data download and audit logs
  • Humanised details: quick-release filter, one-hand handle, file-box holder

Optimised Interior

  • Deep door-frame design reduces cold-air leakage and ice build-up
  • Low-temperature inner-door gaskets lock the cold air inside
  • Internal Vacuum Insulation Panels for superior thermal stability
  • Stainless-steel compartment doors with thick foam insulation
  • Vacuum-release port allows quick re-access to samples
  • Detachable inner doors lift out for easy cleaning

Features & Capabilities

Proven Reliability

  • Dual SECOP compressors share the cooling load
  • Redundancy: one compressor holds ≈-70°C if the other fails
  • Direct cooling with mixed-gas (R4001) refrigerant
  • 7-inch LCD touch screen with data logging

Safety Systems

  • High/low temperature alarms
  • Power-failure alarm with 72h backup
  • Sensor, voltage, door-ajar & filter alarms
  • Audible and visual alerts
  • USB data export

Energy Efficiency

  • 19.98 kWh/24h for an 838L dual-compressor unit
  • VIP + PURF vacuum insulation
  • Load-sharing compressors improve efficiency

Key Design Features

  • -40°C to -86°C range
  • Largest capacity: 838L, up to 60,000 vials
  • Deep door frame & detachable inner doors
  • 3 stainless-steel shelves

Technical Specifications

Technical Specifications
Parameter Value
Type -86°C ULT Freezer (Cascade, 2 Compressors)
Temperature Range -40°C to -86°C
Capacity 838 L (29.59 cu.ft)
Compressor SECOP ×2
Refrigerant R4001 mixed gas (CFC-free)
Cooling Type Direct cooling
Defrost Manual
Insulation VIP + PURF
Power 1700 W
Rated Current 10.75 A
Power Consumption 19.98 kWh/24h
Voltage / Frequency 220 V / 50 Hz
Noise Level 55 dB
Pull-down Time (to -80°C) 268 min
Warm-up / Hold-over Time 304 min
Recovery (to -75°C) 23 min
Display 7-inch LCD touch screen
Temperature Sensor PT100
Shelves 3 stainless-steel shelves
Interior Material Stainless steel
Exterior Material Color-sprayed steel
Ambient Temperature 10°C to 32°C
Exterior (W×D×H) 1160 × 1172 × 1994.5 mm
Interior (W×D×H) 894 × 718 × 1310 mm
Package (W×D×H) 1270 × 1100 × 2185 mm
Net / Gross Weight 391 / 424 kg
Sample Capacity 600 × 2" boxes / 60,000 × 2 ml vials
Rack Configuration N3J-255D ×24
Power-failure Backup 72 h
Access Port 1 × 25 mm
USB Port Yes
Castor Yes
Compartment Doors 2
Chart Recorder Optional
Certifications ISO 9001, ISO 13485, ISO 14001

Sample Storage Capacity

60,000

2 ml vials

600

2″ boxes

N3J-255D ×24

Stainless cryo-racks

Accessories & Options

Extend the WDF-86V838E with monitoring, back-up and storage accessories.

CO₂ / N₂ back-up system

Optional

Injects CO₂ or LN₂ to hold temperature if power is lost.

Temperature chart recorder (6″)

Optional

Documents temperature over time on a physical chart.

4G / WiFi data logger

Optional

Cloud monitoring of internal temperature from anywhere.

Stainless-steel cryo-racks

N3J-series racks sized to the chamber.

Cryo-boxes & cryo-tubes

2-inch boxes and 2 ml vials for organised storage.

Cryo safety gloves

Optional

Protect hands when handling ultra-cold samples.

Ice scraper

Quick frost removal during maintenance.

Additional shelves

Optional

Adjustable stainless shelving for custom layouts.

Water-cooling system

Optional

Reduces heat radiation and widens ambient tolerance.

Remote alarm / RS485-BMS interface

Optional

Connects to building management / monitoring systems.

Frequently Asked Questions

What is the dual-compressor cascade system in the WDF-86V838E?
Two SECOP compressors share the refrigeration load in a cascade configuration to reach -86°C. If one compressor fails, the other keeps the chamber near -70°C, providing critical redundancy for the largest model in the range.
How much can the WDF-86V838E store?
The WDF-86V838E offers 838 litres (29.59 cu.ft) — about 600 two-inch boxes or 60,000 × 2 ml vials — the maximum capacity in the WinHyCare New-Generation range, for high-throughput biobanks and central laboratories.
What temperature range does the WDF-86V838E support?
It operates from -40°C to -86°C with 1°C increment control on a 7-inch LCD touch screen, suitable for vaccines, biological samples, enzymes and tissue.
How fast does the WDF-86V838E cool and recover?
The WDF-86V838E pulls down to -80°C in about 268 minutes and recovers to -75°C within roughly 23 minutes after door openings, with a hold-over time of about 304 minutes during power loss.
What alarm systems does the WDF-86V838E include?
High/low temperature, power-failure (72-hour backup), sensor error, abnormal voltage, door-ajar and filter-screen alarms with audible and visual alerts and USB data export.
What insulation technology does the WDF-86V838E use?
It uses Vacuum Insulation Panels (VIP) with high-density PUR foam for superior thermal stability and lower energy consumption (19.98 kWh/24h despite its size), plus a deep door-frame seal.
How does the WDF-86V838E compare to the WDF-86V728E?
Both are dual-compressor cascade units; the 838E is the larger of the two at 838L / 60,000 vials versus the 728E at 728L / 50,400 vials. Choose the 838E for maximum capacity.
What certifications does the WDF-86V838E hold?
The WDF-86V838E holds ISO 9001, ISO 13485, and ISO 14001 certifications, meeting international standards for quality management, medical devices, and environmental management.

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