Cryostat
Cryostats are cooling devices used to generate and stabilize very low temperatures. They are primarily employed in research and laboratory applications where low-temperature conditions are required.
Product
Cryostat
Cryostats are cooling devices used to generate and stabilize very low temperatures. They are primarily employed in research and laboratory applications where low-temperature conditions are required.
Suppliers
The following suppliers offer Cryostat products.
Suppliers enabled for requests
IGZ Instruments AG
Milian SA
Thermo Fisher Scientific (Schweiz) AG
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Guide and selection support
Cryostats are used for generating and precisely maintaining temperatures in the low-temperature range, such as in low-temperature physics or for cooling sensitive laboratory measuring instruments. The selection of a cryostat depends on the target temperature, temperature stability, and application area. Important criteria include cooling capacity, temperature range, and compatibility with samples or measuring instruments. LabFinder supports users with a structured overview of available cryostat types, making it easier to source the right equipment for laboratory operations.
Applications and Benefits
Cryostats are used to achieve and maintain extremely low, stable temperatures, typically in the range of several Kelvin. They are used in low-temperature physics, superconducting technology, and for cooling sensitive sensors such as infrared detectors. In research and laboratories, cryostats provide controlled temperature environments essential for experiments and measurements with cryogenic requirements.
Selection Criteria
When selecting a cryostat, the minimum achievable temperature, temperature stability, cooling power, and compatibility with the intended application are particularly important. Dimensions and handling, especially regarding sample access, should also be taken into account. The type of cooling (for example, electrical or liquid-gas based) influences operation and the maintenance and infrastructure requirements.
Variants and Measurement Principles
Cryostats mainly differ in the type of cooling technology used. Common systems include closed cooling circuits with compressors and refrigerants or cryogenic media such as liquid helium. Cryostat variants are tailored to the desired temperature level and required cooling capacity. Various designs for sample holders and sample chambers are also available to support different applications.
Calibration and Maintenance
The function of cryostats requires regular inspection and maintenance, especially of the cooling components and temperature control mechanisms. Sensor calibrations are essential for reliable and reproducible measurement results. Maintenance intervals depend on the device design and operating requirements.
Limitations of Application
Cryostats are specifically designed for low-temperature applications and are unsuitable for temperatures above the cryogenic range. The achievable temperature is restricted by the cooling principle and structural design. Additionally, cryostats often require supporting infrastructure, such as supply of cryogenic media or electricity, which can limit their use in mobile or basic laboratory environments.
Search Terms and Related Terms
Synonyms and related terms include cryostats, cryostat, cryogenic apparatus, low-temperature cooler, cryo cooler, low-temperature laboratory equipment, and low-temperature refrigeration technology. These terms assist in searching for cryostats and related lab equipment.
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Frequently asked questions
How does a cryostat basically work?
A cryostat produces extremely low temperatures using specialized cooling processes and keeps them constant, usually via closed refrigeration circuits or cryogenic liquids such as liquid helium.
What types of cryostats are common in laboratories?
Typical cryostats differ in their cooling method, e.g. electrically operated cryostats with compressors or cryogenic systems using liquid cooling. They also vary in temperature range and sample chamber size.
What criteria are important when selecting a cryostat?
Key criteria include the minimum attainable temperature, temperature stability, cooling power, field of application, and compatibility with the samples or instruments to be cooled.
How is a cryostat maintained?
Maintenance includes checking and calibrating the temperature control system as well as inspecting the cooling components. Depending on the device, refilling cooling media or checking tightness may also be necessary.
What limitations exist in the use of cryostats?
Cryostats are designed only for extremely low temperatures and may have limited usability in mobile or basic laboratory environments due to required infrastructure.
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