Liquid nitrogen generator

For many laboratories, liquid nitrogen (LN₂) is just as essential as compressed air or ultrapure water. Think of cooling, cryopreservation, sample handling, or instruments that require a stable cryogenic source. In practice, however, we see that the way liquid nitrogen is often delivered to the lab is not always convenient, efficient, or safe. 

More and more laboratories are exploring the possibility of switching to a liquid nitrogen generator. This is a compact “plug-and-play” solution that produces liquid nitrogen and then stores it in an integrated tank.  

Liquid nitrogen without tank deliveries 

Many laboratories have liquid nitrogen delivered in tanks. That works, until a delivery is delayed, consumption is higher than expected, or a process cannot wait. With a liquid nitrogen generator, you eliminate this uncertainty from your planning. You produce it yourself, thereby maintaining greater control over your workflow. 

In addition, daily use often makes the difference. When the liquid nitrogen supply is located outside, it takes time to walk back and forth each time. On busy days, that can cost a significant amount of time. A generator near the laboratory ensures greater convenience and a smooth workflow. 

Working Safely 

Moving (cryogenic) tanks through hallways, elevators, and doors carries risks. Consider maneuvering in tight spaces, handling cold surfaces, and the risk of incidents during transport. A liquid nitrogen generator can reduce these internal movements. 

This not only means a safer working environment but also greater peace of mind in the process. 

Constant supply 

The liquid nitrogen generator has an integrated tank. This ensures a constant supply.  The system adjusts production based on the level in the tank. 

When using tanks, evaporation loss must be taken into account. Because the generator continuously refills the tank, this is no longer an issue.  

For laboratories where liquid nitrogen is used daily in processes, this provides a reassuring sense of continuity: you don’t have to switch between “almost empty” and “just delivered,” but instead work with stable inventory management. 

Applications of liquid nitrogen 

Liquid nitrogen is used in laboratories where very low temperatures are required. Examples include rapid freezing of samples, cooling during sample preparation, and the storage of temperature-sensitive materials. Liquid nitrogen also often plays an important role in gas chromatography (GC and GC-MS). 

For laboratories performing these types of analyses, a stable and immediately available source of liquid nitrogen is therefore essential. With an on-site liquid nitrogen generator, you always have sufficient cooling available and are less dependent on external deliveries. Since every lab operates differently, it is wise to carefully assess consumption, peak times, and how liquid nitrogen best fits into the workflow beforehand. 

Costs and maintenance of a liquid nitrogen generator: no consumables, fast payback period 

A liquid nitrogen generator is an investment, but in many laboratories, this investment pays for itself within two years. Since there are no longer any ongoing deliveries, tank rentals, or internal handling, recurring logistics costs shift to a fixed, in-house solution.  

The purchase pays for itself over time, precisely because no consumables are needed and maintenance is minimal. And of course, you also benefit from reduced wait times, fewer internal transfers, and less reliance on external scheduling. 

When the time savings in labor costs are factored into the calculation, the benefits are significant. 

Sustainability as an added benefit 

In addition to convenience and continuity, sustainability is playing an increasingly important role for more and more laboratories. With an on-site liquid nitrogen generator, you can reduce the number of tank deliveries, transport trips, and internal operations. This can help make processes more efficient and sustainable. It is precisely for this reason that a generator can also be a compelling factor in the investment decision. In many organizations, sustainability carries greater weight and can be an additional argument for choosing an in-house, permanent solution. 

Which liquid nitrogen generator is right for your lab? 

The right choice depends primarily on your daily liquid nitrogen consumption, peak usage times, available space, and how you use liquid nitrogen (point-of-use, multiple users, connection to processes/instruments). Our product range includes liquid nitrogen generators with production capacities of 10 liters per day, 20 liters per day, 40 liters per day, and 80 liters per day. Each comes with a storage tank of varying capacity. 

Would you like more information about the available models? Then view our entire range of liquid nitrogen generators or contact us. Our specialists are happy to work with you to find a solution that fits your application and workflow.