Holland Green Science Preseva Pagoma Ultra-Low Temperature Freezer

Need ultra-low temperature storage for advanced extraction processes, ethanol winterization, and critical applications requiring extreme cold preservation?

The Holland Green Science Preseva Pagoma delivers industrial-grade ultra-low temperature storage with advanced cascade compressor refrigeration system capable of reaching -86°C minimum temperature.

Compatible with extraction facilities, research laboratories, and production operations requiring ultra-low temperature storage for ethanol winterization, advanced material processing, and long-term preservation of temperature-sensitive compounds.

This 390L capacity industrial freezer features a 304 stainless steel interior chamber with 16 racks (240 capacity) and 126mm polyurethane foam insulation for superior thermal protection. The system maintains temperatures from -50°C to -86°C with ≤6°C uniformity and comprehensive monitoring systems.

Built for continuous industrial operation with ETL, CE, and UL certifications plus ROHS compliance, the Preseva Pagoma includes touch screen control, data logging, backup battery, and advanced cascade refrigeration using non-HCFC refrigerants R404A, R508B+R290.

Constructed with powder-coated exterior for industrial durability and equipped with castor wheels, this freezer has passed complete life testing to ensure safety and reliability for long-term operation in demanding ultra-low temperature applications.

Holland Green Science Preseva Pagoma Highlights

-50°C to -86°C temperature range with advanced cascade compressor system
390L capacity with 304 stainless steel interior and 16 racks configuration
126mm polyurethane insulation for superior thermal protection and efficiency
Touch screen control with data logging and comprehensive alarm systems
Industrial certifications including ETL, CE, UL, and ROHS compliance

Holland Green Science Preseva Pagoma Features

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Ultra-Low Temperature Capability

Reaches -86°C minimum with cascade compressor technology for extreme cold applications.

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Industrial Storage Capacity

390L capacity with 16 racks providing 240 storage positions in stainless steel interior.

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Superior Thermal Protection

126mm polyurethane foam insulation maintains ≤6°C uniformity while minimizing energy loss.

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Advanced Control Interface

Touch screen control with data logging, alarm management, and real-time monitoring.

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Comprehensive Alarm Systems

Multiple monitoring systems with backup battery and event logging capabilities.

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Rapid Cool-Down Performance

Reaches target temperatures in ≤8 hours with 1500W power consumption.

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Environmentally Responsible

Non-HCFC refrigerants R404A, R508B+R290 with ROHS compliance certification.

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Industrial Certification

ETL, CE, UL certified with complete life testing and industrial durability.

Holland Green Science Preseva Pagoma Cascade Compressor Technology

The Preseva Pagoma utilizes an advanced cascade compressor refrigeration system specifically designed for ultra-low temperature applications and ethanol winterization processes.

This industrial-grade system features non-HCFC refrigerants (R404A, R508B+R290) in a dual-stage configuration that efficiently reaches -86°C minimum temperature while maintaining reliable operation. The cascade design provides superior temperature stability and energy efficiency compared to single-stage systems.

Key System Benefits:

Rapid cool-down: Reaches target temperatures in ≤8 hours
Energy efficient: Cascade design optimizes power consumption at 1500W
Environmentally responsible: Non-HCFC refrigerants with ROHS compliance
Quiet operation: ≤53 dB noise level for laboratory environments
Long-term reliability: Complete life testing ensures industrial durability

Holland Green Science Preseva Pagoma Specifications

Specification	Value
HGS SKU Number	10308002
Power Specification	120V 60Hz 1ph – 1500W
Temperature Control Range	-50°C to -86°C
Minimal Temperature	-86°C
Temperature Uniformity	≤6°C
Cool Down Time	≤8 hours
Nominal Capacity	390L
Exterior Dimensions (W×D×H)	909×797×1990mm
Interior Dimensions (W×D×H)	589×505×1310mm
Racks	16 racks (240 capacity)
Inner Doors	2/4 configuration
Refrigerant Type	Non-HCFC R404A, R508B+R290
Noise Level	≤53 dB
Weight	283kg

Holland Green Science Preseva Pagoma Advanced Monitoring

The Preseva Pagoma features comprehensive monitoring and alarm systems designed for critical ultra-low temperature applications:

High Condenser Temperature Alarm: Monitors compressor system performance and efficiency
Power Failure Alarm: Alerts and logs power outages with backup battery operation
Temperature Sensor Failure Alarm: Detects sensor malfunctions with system protection
Low Battery Alarm: Monitors backup battery status and replacement needs
High/Low Temperature Alarm: Tracks temperature deviations outside set parameters
Door Open Alarm: Warns when doors remain open beyond safe time limits
Data Logger: Records temperature, alarm events, and system performance data
Touch Screen Interface: Intuitive control with real-time status display

Additional features include gasket heating to prevent ice buildup, vent port for pressure equalization, and ring latch holes for secure closure at ultra-low temperatures.

Holland Green Science Preseva Pagoma User Manual

Holland Green Science Preseva Pagoma Freezer User Manual

Holland Green Science Preseva Pagoma Warranty

Holland Green Science warrants the Preseva Pagoma to operate substantially in conformance with published specifications and be free from defects in material and workmanship when subjected to normal, proper, and intended usage by properly trained personnel.

The warranty period is one (1) year from the date of purchase for equipment. During the warranty period, Holland Green Science will repair or replace defective products at the company's option, provided the buyer promptly notifies the company in writing upon discovery of any defect.

Holland Green Science Preseva Pagoma FAQs

How does the cascade compressor system achieve -86°C temperatures? +

The cascade system uses dual-stage compression with different refrigerants (R404A, R508B+R290) to efficiently reach -86°C minimum temperature. The first stage pre-cools material, while the second stage achieves ultra-low temperatures, providing better efficiency and reliability than single-stage systems.

What applications is this ultra-low temperature freezer designed for? +

The Preseva Pagoma is engineered for ethanol winterization, advanced extraction processes, and ultra-low temperature storage of temperature-sensitive compounds. With 390L capacity and -50°C to -86°C range, it serves production facilities, research laboratories, and operations requiring extreme cold preservation.

How quickly does the Preseva Pagoma reach target temperatures? +

The advanced cascade system reaches target temperatures in ≤8 hours cool-down time, significantly faster than conventional ultra-low temperature freezers. The 126mm polyurethane insulation maintains stable temperatures with ≤6°C uniformity once reached.

What maintenance does the cascade refrigeration system require? +

The cascade system requires minimal routine maintenance due to its robust industrial design. Regular maintenance includes cleaning the 304 stainless steel interior, checking door seals, and ensuring proper ventilation. The system includes high condenser temperature alarms to monitor performance automatically.

What monitoring and data capabilities are included? +

The touch screen interface provides comprehensive monitoring with data logger capabilities. Features include real-time temperature display with trend logging, alarm history documentation, power failure logging with backup battery operation, and system diagnostics for performance tracking.

What certifications and safety standards does this meet? +

The Preseva Pagoma meets comprehensive industrial standards with ETL, CE, and UL certifications plus ROHS compliance. The unit has passed complete life testing to ensure safety and reliability for long-term operation with non-HCFC refrigerants meeting environmental regulations.

How much storage capacity and organization does this provide? +

The Preseva Pagoma offers 390L nominal capacity with 16 racks providing 240 storage positions. Interior dimensions are 589×505×1310mm with 2/4 inner door configuration to minimize cold air loss during access while accommodating various container sizes.

What are the power requirements and installation considerations? +

The unit requires 120V 60Hz 1ph power at 1500W and weighs 283kg. Installation requires adequate ventilation clearance and level positioning. The castor wheels facilitate positioning, while gasket heating and vent ports ensure proper operation at ultra-low temperatures.

Holland Green Science Preseva Pagoma Freezer