SKU: ALPHA 2-4 LD+ | Up to 4 kg | 2 Compressors | -85°C | LDplus Display
The Martin Christ ALPHA 2-4 LD+ is a universal laboratory freeze dryer for routine applications. Its exceptionally low ice condenser temperature of -85°C allows drying of samples containing organic solvents such as alcohols, making it ideal for pharmaceutical, chemical, and biological research.
The LDplus (Lyo Display Plus) controller combines functionality with comfortable operation. The graphic LC display presents all essential process data at a glance, while self-explaining menu guidance in German, English, or French simplifies routine freeze-drying workflows.
LDplus Controller Features
• Graphic LC display with clear process data layout
• Ice condenser temperature, process time, section time, vacuum
• Self-explaining menu guidance (DE / EN / FR)
• Vacuum control for process time reduction (option)
• Product temperature via vapour pressure curve
• RS-232 interface for LyoLog LL-1 software (option)
Drying Configurations
Configuration
Details
Bulk Drying
5 unheated shelves Ø 360 mm — approx. 0.5 m² drying area
Vial Stoppering
2 or 4 shelves Ø 250 mm with sealing device
Flask Drying
Up to 24 round-bottom flasks with multi-port manifold
