-86°C Cascade System -40°C to -86°C
WDF-86V838
Largest capacity cascade system ultra-low freezer at 838L. For high-volume biomedical storage facilities.
Capacity
838L
Temperature
-40°C to -86°C
ISO 9001, ISO 13485, ISO 14001 Certified
Quick Enquiry
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Features & Capabilities
Proven Reliability
- 7-inch touch screen
- Cascade refrigeration system
- Insulated inner door compartments
- Proven reliability
Safety Systems
- High/low temperature alarms
- Power failure alarm
- Sensor error alarm
- Clean-filter alarm
- Audible and visual alerts
- USB data port
- Remote alarm contacts
Energy Efficiency
- HC refrigerant - 50% energy saving
- VIP insulation panels
- Optimized door seal
Key Design Features
- -40°C to -86°C with 1°C increment
- Settable temperature alarms
- Auto clean-filter alarm
- Adjustable shelf height
Technical Specifications
| Parameter | Value |
|---|---|
| Type | -86°C ULT Freezer (Cascade) |
| Cooling Type | Cascade Refrigeration |
| Refrigerant | HC - 50% energy saving |
| Temperature Range | -40°C to -86°C |
| Voltage Range | 185V~260V |
| Capacity | 838L |
| Display | 7-inch touch screen |
| Certifications | ISO 9001, ISO 13485, ISO 14001 |
Frequently Asked Questions
What is the temperature range of the WDF-86V838?
The WDF-86V838 operates from -40°C to -86°C with microprocessor-controlled precision in 1°C increments, monitored via a 7-inch touch screen.
What is the capacity of the WDF-86V838 cascade freezer?
The WDF-86V838 is the largest cascade system model at 838 liters, designed for high-volume biomedical storage facilities requiring maximum ultra-low temperature capacity.
How does the WDF-86V838 save energy?
The WDF-86V838 uses HC (hydrocarbon) refrigerant achieving 50% energy savings, VIP insulation panels for superior thermal performance, and an optimized door seal to minimize cold loss during access.
What safety alarms does the WDF-86V838 have?
The WDF-86V838 includes high/low temperature alarms, power failure alarm, sensor error alarm, clean-filter alarm, remote alarm contacts, and audible buzzer with visible flashing light alerts.
What power supply does the WDF-86V838 need?
The WDF-86V838 operates on 220V/50Hz with a wide voltage range of 185V to 260V, suitable for installations where power stability may vary.
Is the WDF-86V838 suitable for biobank storage?
Yes, the WDF-86V838 is designed for high-volume biomedical storage including biobank operations, storing biological products, tissue samples, vaccines, plasma, and research specimens at ultra-low temperatures.
How does the WDF-86V838 compare to the WDF-86V838D dual system?
Both offer 838L capacity and -40°C to -86°C range. The WDF-86V838 cascade model offers 50% energy savings with HC refrigerant, while the WDF-86V838D dual system provides compressor redundancy for critical applications.
How does the WDF-86V838 compare to the WDF-86V838E self-cascade?
The WDF-86V838 uses a two-compressor cascade system for robust cooling, while the WDF-86V838E uses single-compressor self-cascade technology for simplified mechanics. Both offer 838L and -40°C to -86°C range.
Does the WDF-86V838 have USB data logging?
Yes, the WDF-86V838 features a USB data port for downloading temperature logs, supporting compliance documentation, audit trails, and quality management requirements.
What certifications does the WDF-86V838 hold?
The WDF-86V838 is certified to ISO 9001, ISO 13485, and ISO 14001, meeting international standards for quality management, medical devices, and environmental management.