The Isothermal V-Series Carousel LN2 freezer is a cryogenic freezer with a clever design. Here it uses a rotating carousel and a rectangular lid opening. Moreover, the liquid nitrogen sits in a jacket around the chamber. As a result, samples stay completely dry and never touch the liquid. In addition, this carousel design suits rooms with limited ceiling height. Furthermore, this Custom Biogenic Systems range comes in four capacities, from 70 to 140 litres.
With a standard cryogenic freezer, the lid must open fully upward. As a result, you need free space above the unit. However, the carousel model uses a rectangular lid opening and a rotating carousel inside. Therefore you simply turn the right rack to the opening. So you never have to move other racks aside.
Moreover, sample exposure to ambient temperature stays as short as possible. In addition, the quick access limits liquid nitrogen consumption. As a result, the operating costs drop.
In traditional cryogenic freezers, a layer of liquid nitrogen sits at the bottom of the chamber. Samples stored in that liquid can shrink. As a result, nitrogen may leak into the vials. On warming, that nitrogen then expands. Therefore the vial can rupture. That is why the Carousel range places the liquid nitrogen in a jacket instead.
As a result, the storage area itself stays completely dry. Meanwhile, the jacket provides an even temperature throughout the chamber. In addition, the liquid-free storage area cuts the risk of cross-contamination between infected samples.
The Isothermal technology holds an average internal temperature of 190 degrees Celsius below zero. As a result, all samples stay well below the glass transition point of water of 132 degrees below zero. At that point, all metabolic activity stops. Moreover, the temperature stays uniform throughout the chamber, from top to bottom.
In addition, the Carousel range uses the 2301 Smart-Touch controller with touchscreen. Therefore the user gets a dual temperature display, automatic filling and adjustable alarms. Moreover, the controller offers a fill timer, exportable reports and Modbus-TCP. So it integrates easily into a central monitoring system. Furthermore, the range connects to wireless monitoring solutions. As a result, performance can be tracked remotely 24 hours a day.
Finally, the Carousel range suits long-term cryogenic storage in rooms with limited height. So you will find it in laboratories, biobanks and research institutions. For instance, the range serves the pharmaceutical industry and biotech and medical diagnostics. In addition, you can view the full range of cryogenic storage. You can also browse the broader category of cooling and freezing equipment. Would you like advice on the right capacity? Then please contact us.
| Specification | V-3000AB/C | V-3000ABEH/C | V-5000AB/C | V-5000ABEH/C |
|---|---|---|---|---|
| LN2 capacity | 70 L | 89 L | 93 L | 140 L |
| Vials (2 ml) | 16,800 | 21,000 | 36,400 | 42,000 |
| Cryobags (50 ml) | 792 | 1,056 | 1,638 | 1,872 |
| External length | 1259.8 mm | 1259.8 mm | 1445.3 mm | 1445.3 mm |
| External width | 970.3 mm | 970.3 mm | 1191.3 mm | 1191.3 mm |
| External height | 1292.9 mm | 1582.4 mm | 1475.7 mm | 1602.7 mm |
| Usable diameter | 736.6 mm | 736.6 mm | 965.2 mm | 965.2 mm |
| Usable height | 685.8 mm | 914.4 mm | 736.6 mm | 863.6 mm |
| Weight empty | 344.7 kg | 384.6 kg | 535.2 kg | 601.9 kg |
| Weight full | 401.3 kg | 456.5 kg | 610.4 kg | 715 kg |
| Lid | Rectangular opening with rotating carousel | |||
| Controller | 2301 Smart-Touch, touchscreen, Modbus-TCP | |||
| Vessel material | 304 stainless steel | |||
| Power | 100-240 V, 50/60 Hz | |||
The Custom Biogenic Systems Isothermal V-Series Carousel is a range of cryogenic LN2 freezers with dry storage technology and a rotating carousel. Here the liquid nitrogen sits in a jacket around the chamber, so samples never contact the liquid. Moreover, the rectangular lid opening with rotating carousel gives quick access to every rack. In addition, the carousel design is ideal for rooms with limited ceiling height.








The Carousel models have a rectangular lid opening with a rotating carousel inside, while the standard V-Series has a wide lid opening. As a result, the carousel design is lower and suits rooms with limited ceiling height. Moreover, you turn the right rack to the opening without moving other racks.
A carousel model is ideal when there is little space above the freezer. After all, the rectangular lid opening needs less free height than a fully lifting lid. In addition, the quick access limits sample exposure to ambient temperature and reduces liquid nitrogen consumption.
The average internal temperature is 190 degrees Celsius below zero. Therefore samples stay well below the glass transition point of water of 132 degrees below zero, the temperature at which all metabolic activity stops. Moreover, the temperature stays uniform throughout the chamber.
Capacity ranges from 16,800 vials of 2 ml in the V-3000AB/C up to 42,000 vials in the V-5000ABEH/C. For cryobags of 50 ml this ranges from 792 to 1,872 units. Which capacity suits you best depends on your sample type and storage volume.
ABEH stands for Extra Height. As a result, these models offer a greater usable height than the standard AB version with the same footprint. For example, the V-3000ABEH/C has a usable height of 914.4 mm compared to 685.8 mm for the V-3000AB/C. Therefore more vertical storage space is available.
No, with the Isothermal Carousel range samples never contact liquid nitrogen. The nitrogen sits in a jacket around the chamber, while the storage area itself stays dry. As a result, the risk of cross-contamination drops and no nitrogen can leak into the vials.