Benchtop freeze dryers are often used for small scale freeze drying or research and development projects. The choice is sometimes driven more by budget than capacity requirements. What if you need a freeze dryer that is bigger than a benchtop but without the pilot scale price tag?
Benchtop freeze dryers are not usually chosen for their capaciousness. LyoDry Benchtop freeze dryers have a 5Kg ice condenser capacity. This means that they will process up to a maximum of 5Kg of the ice that is created from the product moisture, per batch. They are often used with an acrylic chamber and tray accessory for bulk freeze drying.
But if you really need a larger freeze dryer, without paying automated pilot scale freeze dryer prices, the LyoDry range of freeze dryers includes more attainable, low cost pilot scale freeze drying, in the form of the LyoDry Midi and LyoDry Midi Pro.
The LyoDry Midi freeze dryer condenser is free standing and designed to fit beside a standard laboratory bench (the footprint is analogous to a washing machine, rather than a microwave).
The LyoDry Midi has an 18Kg ice condenser capacity, which is useful if you're freeze drying a very moist product and want to freeze dry in larger batches between defrost.
The vacuum pump (an Edwards RV12 as standard or an Edwards nXDS15i dry scroll pump if preferred) is integral and easily accessible for maintenance.
Like the benchtop freeze dryer, the LyoDry Midi is modular: this means that you can choose your drying chamber and accessory.
Thus it can be used with the standard acrylic chamber and tray accessory, just like the benchtop freeze dryer.
But if you're really looking to scale up your drying capacity, then the LSCC10 10-tray drying chamber is designed for use with the LyoDry Midi and offers ample volume.
LSCC10 has 10 trays, each individual tray measuring 450 mm x 345 mm x 30 mm, giving a total drying area of 1.5m².
Available unheated as standard, one option is heating to 60°C.
Another option is a manifold valve attachment for flask drying fitted to the side of the chamber.
If the LyoDry Midi with LSCC10 chamber sounds appealing but you also need data logging, analysis,pressure control, USB and ethernet connections, then the LyoDry Midi Pro includes this added functionality.
Other advantages of the LyoDry Midi Pro include colour touch screen control and, if used with a heated chamber, pre-programmable freeze drying recipes can be used, simplifying the whole process even further.
To summarise, LyoDry Midi and LyoDry Midi Pro are lab scale freeze dryers with the potential for pilot scale freeze drying more economically.
Read more about the LyoDry Midi
Read more about the LyoDry Midi Pro
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