Let’s Dive into VWRCryoPro Liquid Dewars, L Series L-10 L-10 Liquid Dewar
The VWRCryoPro Liquid Dewars, L Series L-10 L-10 Liquid Dewar from VWR is a meticulously engineered vessel designed for the secure storage and efficient handling of liquid nitrogen. With a 10-liter capacity and a focus on minimizing evaporation, this dewar promises reliability for scientific, medical, and industrial applications.
My work at a remote wildlife research facility required long-term sample preservation in liquid nitrogen, but our unreliable dewars led to sample loss and wasted resources. I needed a robust and dependable solution, prompting my search for a dewar that could withstand demanding conditions and maintain consistent temperatures.
Upon unboxing, the VWRCryoPro L-10 immediately impressed with its robust construction and seemingly durable exterior. The weight felt substantial, indicative of the quality insulation designed to minimize liquid nitrogen loss.
Compared to a competitor’s model, which felt flimsy and had a higher evaporation rate, the VWRCryoPro L-10 stood out with its sturdier build and promise of superior performance. Other models lacked readily available accessories for safe liquid nitrogen transfer, pushing me towards the VWR solution.
My initial reaction was one of cautious optimism; I was excited about the potential for a reliable storage solution but aware that real-world performance would be the ultimate test.
Real-World Testing: Putting VWRCryoPro Liquid Dewars, L Series L-10 L-10 Liquid Dewar to the Test
First Use Experience
The initial test involved transporting the VWRCryoPro L-10 fully loaded with liquid nitrogen to our remote research site, a journey of several hours over rough terrain. The dewar was secured in the back of our truck, and the rugged terrain tested its construction and ability to retain the liquid nitrogen.
Despite the bumpy ride, the VWRCryoPro L-10 performed admirably, exhibiting minimal external condensation. The easy to use design allowed for efficient dispensing of liquid nitrogen when we arrived, making sample retrieval seamless.
There were no immediate issues, but the real test would be to see how long the dewar would hold its contents, and maintain its temperature over an extended period.
Extended Use & Reliability
After several months of continuous use in varying environmental conditions, including hot summers and cold winters, the VWRCryoPro L-10 has proven to be remarkably reliable. There have been no noticeable signs of wear or degradation in its performance.
The exterior shows no signs of rust or corrosion, despite being exposed to the elements and occasional spills, a testament to the quality of the materials used. Cleaning and maintenance have been minimal, requiring only occasional wiping down with a damp cloth.
Compared to our previous dewars, the VWRCryoPro L-10 has significantly reduced our liquid nitrogen consumption and has eliminated any instances of sample loss due to temperature fluctuations. It has exceeded my expectations and proven to be an invaluable asset to our research facility.
Breaking Down the Features of VWRCryoPro Liquid Dewars, L Series L-10 L-10 Liquid Dewar
Specifications
- Description: The VWRCryoPro L-10 Liquid Dewar is a specialized container designed for the safe and efficient storage of liquid nitrogen in laboratory and industrial settings.
- Static Evaporation Rate: The static evaporation rate is 0.18 L/Day, meaning it loses a minimal amount of liquid nitrogen over time, a critical feature for long-term sample preservation.
- Liquid Nitrogen Capacity: It holds 10 liters of liquid nitrogen, which allows for storing a substantial number of samples or maintaining cryogenic conditions for extended periods.
- Weight Empty: Weighing in at 6 kg (13.2 lbs) when empty, the dewar is manageable for transport, making it suitable for field research or mobile applications.
- Weight Full: At 14 kg (30.9 lbs) when full, it is still within reasonable limits for handling, although care should be taken when lifting to avoid injury.
- Neck Diameter: The neck diameter of 5.6 cm (23/16 in.) facilitates easy access and dispensing of liquid nitrogen.
- Overall Dimensions: The overall height is 54.6 cm (211/2 in.) and the outside diameter is 26 cm (101/4 in.), a compact size that fits well in various lab and storage spaces.
These specifications translate to a reliable and efficient dewar, capable of maintaining consistent cryogenic conditions while minimizing liquid nitrogen loss, an essential factor for preserving sensitive biological samples.
Performance & Functionality
The VWRCryoPro L-10 excels in its primary function: maintaining a stable cryogenic environment for extended periods. The low evaporation rate minimizes the need for frequent refills, saving both time and resources.
The dewar’s robust construction ensures that it can withstand the rigors of daily use, while the wide neck facilitates easy access to the liquid nitrogen. While the unit is not designed for mobility, the weight makes it feasible to move short distances or relocate within a facility.
Overall, the performance exceeds expectations, providing a reliable and cost-effective solution for liquid nitrogen storage.
Design & Ergonomics
The VWRCryoPro L-10 features a practical and functional design, prioritizing durability and ease of use. The stainless-steel construction provides excellent corrosion resistance and ensures long-term reliability.
The dewar’s cylindrical shape makes it stable and easy to handle, while the wide neck allows for convenient access and dispensing. There is minimal learning curve involved; the dewar is straightforward to use with minimal training.
Durability & Maintenance
The VWRCryoPro L-10 is built to last, with its robust construction and high-quality materials. The stainless-steel exterior resists corrosion and wear, ensuring long-term reliability even in harsh environments.
Maintenance is simple, requiring only occasional cleaning with a damp cloth. Given proper care, this dewar should provide years of reliable service.
Accessories and Customization Options
VWR offers a range of accessories specifically designed for the VWRCryoPro L Series, including a phase separator (55709-278) and a stainless-steel transfer hose (55709-244). The phase separator enhances the efficiency and safety of liquid nitrogen transfer.
While the dewar itself has limited customization options, the availability of these accessories allows users to tailor the dewar to their specific needs. The VWR website provides information on compatibility with other accessories, such as dispensing devices and sample storage racks.
Pros and Cons of VWRCryoPro Liquid Dewars, L Series L-10 L-10 Liquid Dewar
Pros
- Exceptionally low evaporation rate (0.18 L/day) which translates to significant cost savings in liquid nitrogen consumption.
- Durable stainless-steel construction that ensures long-term reliability and corrosion resistance, essential for harsh environments.
- Wide neck opening that allows for easy access and dispensing of liquid nitrogen, increasing efficiency.
- Manageable weight (empty) that facilitates transport and relocation.
- Available accessories such as the phase separator and transfer hose that enhances functionality and safety.
Cons
- Relatively high initial purchase price ($1679.00) compared to some competitor models.
- Limited customization options beyond the available VWR accessories.
Who Should Buy VWRCryoPro Liquid Dewars, L Series L-10 L-10 Liquid Dewar?
- Perfect for research laboratories, medical facilities, and industrial applications requiring long-term storage of biological samples or other materials at cryogenic temperatures. It is especially suitable for those who prioritize reliability and minimal liquid nitrogen loss.
- Those who are on a very tight budget might explore other options, but they should be prepared to sacrifice performance and durability.
- A must-have accessory is the stainless-steel transfer hose for safe and efficient liquid nitrogen dispensing.
Conclusion on VWRCryoPro Liquid Dewars, L Series L-10 L-10 Liquid Dewar
The VWRCryoPro Liquid Dewars, L Series L-10 L-10 Liquid Dewar is a high-quality, reliable, and efficient solution for liquid nitrogen storage. While the initial cost might seem high, the low evaporation rate and durable construction provide excellent long-term value.
The price is justified by the superior performance and reduced liquid nitrogen consumption, making it a worthwhile investment for organizations that rely on cryogenic storage.
I would highly recommend the VWRCryoPro L-10 to anyone seeking a dependable liquid nitrogen dewar. If you value sample integrity, reduced operational costs, and a long-lasting product, this dewar is an excellent choice.