Kurt J. Lesker Chamber Freeze Dryer / Lyophilization System with Leybold Vacuum Pump
Preowned chamber freeze-drying system featuring a Kurt J. Lesker vacuum chamber, Leybold TRIVAC D16B vacuum pump, and Kinetics Thermal Systems / FTS refrigerated condenser. Mounted on a mobile aluminum frame with casters.
Previously used by Cook Biotech, this manually operated system includes its Large Capacity Drying Chamber Reference Guide for Basic Operation. The guide describes freeze-drying applications for larger samples or multiple small samples using a sealed chamber, high vacuum, and a low-temperature condenser.
Features and Included Components
- Metal vacuum chamber with hinged, gasketed door and circular viewing window.
- Removable two-tier perforated shelf rack.
- Leybold TRIVAC D16B vacuum pump, nameplate rated 16 m³/hour and dated 2010.
- Kinetics Thermal Systems / FTS VT455A refrigerated vapor trap/condenser, serial number 20019.
- Granville-Phillips 275 Mini-Convectron vacuum gauge.
- Kurt J. Lesker KJL-902178 vacuum gauge readout.
- Manual vacuum isolation and vent valves.
- Associated hoses, fittings, and filtration components.
- Mobile aluminum frame with casters.
- Cook Biotech operating reference guide.
Operating Reference
The supplied guide specifies a condenser temperature of −45°C or colder before proceeding and chamber pressure of 500 mTorr or lower for satisfactory drying. These are documented operating requirements; current performance has not been verified.
Built-in product freezing and temperature-controlled shelves are not documented.
Electrical Information
- FTS VT455A condenser: 120V, 7A, 60Hz, single-phase.
- Lesker gauge readout:110V, 50/60Hz, less than 1A.
- Leybold TRIVAC D16B: Dayton Part No. 6K436BE 1HP, 115/208-230V, 60Hz
