The CCG-4K12-LV low-vibration top sample loading 4K closed-cycle thermostat is equipped with a closed-cycle refrigeration machine, built-in heater and sensor. It needs to be used in conjunction with an external temperature controller to achieve temperature variation and control. Both the refrigeration machine and the sample rod adopt a vibration-reducing structure design, with a vibration level better than ±1 micron. It can provide continuous temperature variation from 4K to 300K. It has provided great convenience for low-temperature scientific experiments.

The CCG-4K12-LV adopts a top sample loading and unloading rod design, which facilitates rapid sample change when it is necessary without having to return the entire system to room temperature. The sample chamber is completely in the exchange gas (helium) for more uniform cooling, which is convenient for cooling liquid, powder and other samples that are difficult to cool. To meet the electrical testing requirements of customers, the low-temperature thermostat can be equipped with various electrical leads (such as Ph-Br wires, coaxial cables and triple coaxial cables, etc.), resistance sample holders or probe sample holders according to the experimental needs.

The thermostat can be optionally equipped with optical configurations and supports users to select a variety of window materials to meet the testing requirements of a wide spectral range from far/mid-infrared, ultraviolet to X-rays.

System features

• Wide temperature range: 4K to 300K;

• The sample is in a static exchange atmosphere;

• The 60mm sample space is large and can be matched with various types of sample holders to test various film, bulk, powder and liquid samples;

• The sample chamber adopts a top sample loading and unloading rod design, which is convenient for sample replacement;

• Low vibration design: Both the refrigeration machine and the sample rod adopt vibration reduction structure design, with a vibration level better than ±1 micron;

• Support for non-standard customization: - Support for non-standard customization of sample rods to complete various tests such as DC, RF, and optical. - Support for customization of sample chambers of different diameters, with the maximum diameter of the sample chamber reaching 100mm. - Support for non-standard customization of the tail of the vacuum cover to accommodate various experimental applications of the client.

Technical parameters of CCG-4K12-LV low-vibration top sample loading 4K closed-cycle thermostat：