benchtop freeze dryer for drying and preserving bacteria

Features of Benchtop Freeze Dryer

1. 7-inch touch screen + PLC control system: intuitive interface, support modular software upgrade, with waterproof and electromagnetic interference shielding design.
2. Strong data integrity: real-time display of the current parameters and freeze-drying curve, built-in high-capacity memory, can save no less than 1000 freeze-drying records and alarm history.
3. Authority hierarchical management: the system supports three levels of user accounts, distinguishing between administrators and operators, to prevent the process parameters from being mistakenly changed.
4. High-performance compressor: imported silent compressor refrigeration system, high efficiency, low noise, stable operation.
5. Self-test and alarm system: refrigeration system self-diagnosis, vacuum pump maintenance reminder, vacuum abnormal alarm, support sound and light text triple prompts.
6. Accurate vacuum monitoring: the use of Pirani vacuum gauge, vacuum monitoring accuracy of 0.01Pa.
7. Independent parts control: support system key parts independent start-stop and status detection, easy maintenance.

Cavity Type of Benchtop Freeze Dryer

1. Standard chamber: without gland function and manifold interface, suitable for basic freeze-drying experiments and sample processing.
2. Cavity with capping function: with capping device, it can press the rubber stopper of vials under vacuum environment, suitable for aseptic closure treatment of injections and other medicines.
3. Standard chamber with manifold interface: without gland, but with 8-port manifold, it can be connected with lyophilized bottles, such as syringes and round-bottomed bottles for external bottle-top lyophilization.
4. Caps with manifold interface: both caps and manifolds, both support for bottle stopper and 8-port manifold, can be connected to lyophilized bottles, such as sialin bottles, round-bottomed bottles for external bottle-top lyophilization.

Optional Functions

1. Cold trap automatic defrosting device, automatic defrosting.
2. Oil mist filter.
3. Vacuum pump anti-return oil device.
4. Front water vapor filter, dust filter.
5. A variety of interface adapter for different bottle types.
6. A variety of capacity of the cold trap specifications and chamber volume can be selected, cold trap size, cold trap no-load temperature and other parameters can be customized.

Freeze Drying Process

1. Pre-freezing stage: the sample is rapidly frozen to -40°C to -80°C through compressor refrigeration, so that the moisture forms ice crystals.
2. Sublimation drying: the main drying, heated in a vacuum environment, the use of sublimation principle will be ice directly into water vapor, through the cold trap trapping, without liquid.
3. Resolution drying: sub-drying, further heating, removal of bound water inside the sample to achieve low water content, often less than 1%.

This process is a single work cycle, generally in the sample after the completion of drying, into the next batch of material loading, such as pilot-type equipment, can be combined with automatic in and out of the sample system, to achieve continuous operation between batches.

Application Fields

1. Biopharmaceutical: vaccine, antibody, enzyme preparation, plasma, cell therapy products.
2. Medical research: virus samples, microbial strains, tissue cultures, etc.
3. Chemical products: high-purity reagents, nanomaterials, intermediates preservation.
4. Food industry: freeze-dried fruits and vegetables, instant drinks, probiotics, pet food.
5. Agricultural research: seed treatment, plant extract preservation, etc.