The LyoStar II Lyophilizer is designed to meet the needs of R&D professionals. It is used for applications ranging from process development for scale-up to product processing for stability studies to formulations work. Models are available in stoppering and bulk configurations. The LyoStar II is an R&D and process development freeze-dryer that provides unmatched process accuracy, reliability and unique ease-of-use features.
Shelf Temperature Control Range (°C) | -70 to 60 |
Shelf Temperature Control Range Tolerance (°C) | ± 0.5 |
Lowest Shelf Temperature (°C) |
-70 |
Lowest Condenser Temperature (°C) | -85 |
Maximum Condenser Capacity (L) | 30 |
Condenser Surface Area (in2 / cm2 ) | 850 / 5481 |
Maximum Ice Condensing Capacity in 24 hours (L) | ‡ 20 |
Maximum Deposition Rate (L/hour) | ‡ 0.83 |
Condenser Pull-Down from 20 °C to -75 °C (minutes) | ≤ 10 |
Shelf Pull-Down from 25 °C to -40 °C (minutes) | ≤ 25 |
Number of Compressors | 2 |
Compressor Horsepower | 3.5 , 2 |
System Refrigerant | R404A, R290/R508B |
Vacuum Time to 100 Millitorr (minutes) | ≤ 20 |
Vacuum Rate of Rise (mT/hour) | ≤ 30 |
Volume-Based Leak Rate (mbar·L/sec) | ≤ .0019 |
Lowest System Vacuum (mT) | ≤ 10 |
Temperature Uniformity (°C)§ | ± 1.0 |