The Biosystem series provides automatic liquid nitrogen refrigerators for storage from 10,000 to 98,000 vials in vapour and liquid phase. Biosystem Access is designed to provide frequent-access users with rapid specimen storage and retrieval. Access Biosystem units are for storage in wide neck dewars for easy access. Every Biosystem Access series container can be configured for either liquid (-196°C), or vapour phase storage. These units can be run in liquid or vapour phase and come complete with processor, level sensor and temperature probe. All units are fitted with twin fill valves for extra security.

• Automatic top up of LN₂
• Fully automatic with 4 level sensors
• Can be stand alone or integrated into pipeline system
• Self diagnostic and data logging processor
• Liquid or vapour phase
• Dual fill solenoids as standard
• MDD93/42/EEC compliant
• Full width opening for easy, quick access to all samples
• Vapour phase storage
• Vapour guard option on Biosystem 24 and 50
• Quick chill feature for fast temperature recovery
• Superchill option for vapour phase storage -190°
• Hot gas bypass available on all models
• All metal lid and top plate for greater durability
• Protocol testing
• Castor mounted for easy location and movement within laboratory
• Key operated lockable lid for complete access security
• Smooth surface high efficiency insulating neck plug for easy cleaning
• Painted stainless steel top plate for strength and no corrosion
• Coloured anodised storage racks available for easy identification
• Full operation and insulation instructions provided
• De-fog and quick chill functions for good visibility on lid opening and accelerated - re-cooling after lid is shut (timings configurable through microprocessor settings)
• Control systems can cope with LN₂ pressure range from 20 to 40 psi