CB 18-40 cooling bath: performance and robustness for laboratory freezing requirements
The CB 18-40 cooling bath from Martin Christ is a device designed to meet the requirements of external freezing processes in laboratories, particularly for preparing samples prior to freeze-drying. With a capacity of 18 litres and a usable depth of 200 mm, this model allows various laboratory containers to be partially immersed, promoting uniform freezing over a large surface area. This significantly reduces subsequent drying time.
Constructed with a stainless steel tank, the CB 18-40 is not only durable but also easy to maintain. It incorporates a condensate drainage system that prevents water accumulation, reducing the risk of contamination and facilitating cleaning. Control of the freezing conditions is facilitated by an intuitive digital display, which shows the actual temperature of the evaporator in real time. This level of precision is particularly useful in regulated environments or protocols requiring rigorous monitoring of experimental conditions.
The CB 18-40 reaches a temperature of approximately -40°C, which is optimal for freezing many biological, pharmaceutical or chemical samples. It can be used with one or two rotators to facilitate the formation of thin layers of ice in the vials. This process further reduces drying time during freeze-drying processes.
The bath is air-cooled, which simplifies its installation and integration into laboratory environments. It operates with halogen-free cooling fluids, such as Therminol D12, available in 5, 10 or 20 litre containers, contributing to environmentally friendly use.
Compatibility with variable speed rotators (from 60 to 2000 rpm) allows the device to be adapted to many types of containers and experimental protocols. The CB 18-40 is therefore an ideal choice for laboratories looking for a reliable, accurate and practical solution for their pre-freezing needs.
