Benchtop freeze-drying machines perform controlled sublimation for small-batch laboratory samples, biological specimens, and pharmaceutical formulations. Engineered for space-constrained labs, these units integrate refrigeration, vacuum control, and heating systems into a single compact enclosure to ensure reproducible drying cycles for R&D and analytical preparation.
Product Range
|
Model Series |
Condenser Temp |
Ice Condenser Capacity |
Shelf Dimensions |
Primary Application |
|
BT-50A (Standard) |
-50°C |
3 kg / 24h |
200 x 300 mm (3 tiers) |
Aqueous solutions, botanical extracts, general lab samples. |
|
BT-80A (Deep-Cool) |
-80°C |
4 kg / 24h |
200 x 300 mm (3 tiers) |
Solvents with low eutectic points, peptides, antibiotics. |
|
BT-TP (Top-Press) |
-50°C / -80°C |
3 kg / 24h |
Pneumatic stoppering vial shelves |
Pharmaceutical vial sealing under vacuum or inert gas. |
Technical Specifications
|
Category |
Technical Parameter |
Model BT-50A (Standard) |
Model BT-80A (Deep-Cool) |
Model BT-TP (Top-Press) |
|
Performance & Capacity |
24-Hour Ice Condenser Capacity |
>= 3 kg / 24h |
>= 4 kg / 24h |
>= 3 kg / 24h |
|
Condenser Ultimate Temperature |
-50°C (+/- 1°C) |
-80°C (+/- 1°C) |
-50°C / -80°C (Optional) |
|
|
Shelving & Heating |
Shelf Temperature Range |
-40°C to +60°C |
-40°C to +60°C |
-40°C to +60°C |
|
Shelf Temperature Uniformity |
+/- 1°C (Active surface) |
+/- 1°C (Active surface) |
+/- 1°C (Active surface) |
|
|
Shelf Dimensions & Count |
200 x 300 mm (3 Tiers) |
200 x 300 mm (3 Tiers) |
Pneumatic stoppering shelves |
|
|
Vacuum & Sensors |
Ultimate Vacuum Pressure |
< 5 Pa (Dry, unloaded) |
< 5 Pa (Dry, unloaded) |
< 5 Pa (Dry, unloaded) |
|
Vacuum Measurement Sensor |
Pirani Vacuum Sensor |
Pirani Vacuum Sensor |
Pirani Vacuum Sensor |
|
|
Control & Interface |
Control System Architecture |
7-inch PLC Industrial Touchscreen |
7-inch PLC Industrial Touchscreen |
7-inch PLC Industrial Touchscreen |
|
Program Memory |
Up to 36 thermal/vacuum steps |
Up to 36 thermal/vacuum steps |
Up to 36 thermal/vacuum steps |
|
|
Materials & Utilities |
Chamber Construction |
304 Stainless Steel (Cylindrical) |
304 Stainless Steel (Cylindrical) |
304 Stainless Steel (Cylindrical) |
|
Refrigerant Type |
CFC-Free (R404A / R23) |
CFC-Free (R404A / R23) |
CFC-Free (R404A / R23) |
|
|
Electrical Supply |
220V-240V, 50/60Hz, 1Ph |
220V-240V, 50/60Hz, 1Ph |
220V-240V, 50/60Hz, 1Ph |
|
|
Defrost Method |
Electric Heating Defrost |
Electric Heating Defrost |
Electric Heating Defrost |
Applications
Pharmaceutical & Biotech R&D: Lyophilizing proteins, vaccines, enzymes, and diagnostic reagents to preserve bio-activity.
Chemistry & Material Science: Dehydrating nanomaterials, polymers, and catalysts without surface-tension collapse.
Food & Agricultural Science: Processing natural extracts and reference standards for compositional analysis.
Pathology & Preservation: Dehydrating biological tissues and samples without structural distortion.
Selection Guide
Solvent Eutectic Point: Select -50°C condensers for aqueous solutions. Select -80°C condensers for low-freezing-point solvents or organic mixtures (e.g., tert-butanol) to prevent meltback.
Moisture Load: Ensure 24-hour condenser capacity exceeds batch volume by at least 30%.
Vial Stoppering: Choose the Top-Press configuration for glass vials requiring vacuum or nitrogen sealing.
Chamber Geometry: Use manifold chambers for round-bottom flasks; use tray shelves for bulk powders and Petri dishes.
Customization Options
Inert Gas Backfill Port: Integrated solenoid valve for Nitrogen (N2) or Argon post-drying filling.
Eutectic Point Sensor: Resistance probe kit for real-time tray phase monitoring.
Data Logging Software: RS485/Ethernet SCADA interface complying with FDA 21 CFR Part 11.
Corrosion-Resistant Upgrade: PTFE-coated coils and hybrid vacuum pumps for aggressive solvents.
Quality Control
Leak Detection: Stainless steel chambers undergo helium mass spectrometer leak testing (< 10^-9 Pa*m^3/s).
Run Testing: Compressors undergo a 72-hour thermal stability test in a 35°C ambient chamber.
Electrical Inspection: Hipot dielectric testing and earth continuity checks performed per IEC 61010-1.
Traceability: Serial numbers and component calibration certificates logged in production database.
Packaging & International Shipping
Crate Construction: ISPM 15 heat-treated plywood crates with moisture barrier lining.
Internal Buffering: High-density molded EPE foam securing glass doors and HMI panels against shock.
Accessory Kit: Vacuum pump, silicone oil, KF-clamps, and manuals packed in a reinforced inner carton.
Shipping Terms: EXW, FOB, CIF, or DDP via air or ocean freight.
Technical Support & After-Sales Service
Documentation: English manuals, wiring schematics, P&ID diagrams, and IQ/OQ protocol templates supplied.
Remote Diagnostics: Ethernet port configuration for remote parameter troubleshooting.
Warranty: 12-month standard international warranty on non-consumable mechanical/electrical parts.
Spares Availability: Local stock of pump oil, door gaskets, and sensors for 48-hour dispatch.
Frequently Asked Questions
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