Safely keeping frozen eggs, sperm and embryos at temperatures of -196°C in the nitrogen storage Dewar. A nitrogen storage Dewar CT40 is like a sophisticated, science-grade thermos. It’s a cylindrical stainless-steel container with heavily insulated sides, bottom and lid. The embryos, eggs and sperm are sealed inside.
For reproductive center with big sample size, Dewar CT40 can integrate GPS positioning system, voice promotes and screen flicker functions together to locate the position of Dewar CT40 immediately and preciously. To ensure integrity of our cryogenic storage Dewar’s, we periodically inspect each Dewar and measure evaporation rate to determine if the Dewar functions to the buyer’s specifications. Furthermore, we use only highest quality Dewar’s from trusted manufacturers.




Nitrogen Storage Dewar
The Lab Series cryogenic liquid Dewar’s are named for their acceptance in laboratories and medical facilities worldwide. These high efficiency, super insulated Dewar’s are the most covenant, economical way to store and dispense liquid nitrogen. This high efficiency freezer incorporates a hinged work surface that fully encloses all electronics and plumbing to enhance overall safety and usability. The technical and visual improvement combines to create a more aesthetically pleasing freezer that offers greater functionality.






Multiple protection system
Dual display of temperature and liquid level, integrated GPS positioning system, voice prompt, timely alarm
Real-time monitoring of data
Automatic upload of sample and monitoring information after online operation with the station
Stabile and reliable system
Automatic reset is available to ensure normal system operation benefit by the installation of hardware watch dog
Super battery endurance
Built in 5V 5000mAh rechargeable lithium battery, can powered off for 18h, and standby for 72h
High safety factor
Electromagnetic lock with permission management to monitor the status of the lock and record the operation information
Humanized appearance design
Convenient for device operation, 5.0-inch color touch screen, with high resolution of 1280*720