Benchtop refrigerator FYYDHN

The FYYDHN liquid nitrogen condensing refrigerator is a hybrid refrigerator formed by combining conventional liquid nitrogen with an electric refrigerator. Detailed Introduction of instrument The FYYDHN liquid nitrogen condensing refrigerator is a hybrid refrigerator formed by combining conventional liquid nitrogen with an electric refrigerator. It is a breakthrough in the field of low-temperature cooling detectors. This product uses a Stirling thermoacoustic electric refrigerator as the main working component, which makes the cold end temperature as low as the liquid nitrogen temperature, thereby condensing the gaseous nitrogen in the Dewar into liquid nitrogen, realizing the recycling of liquid nitrogen. Compared with pure electric refrigeration, liquid nitrogen condensation has lower vibration and can work continuously for more than one week when the power is off; compared with ordinary liquid nitrogen tanks, liquid nitrogen condensation does not require frequent refilling of liquid nitrogen. Features 1. The detector can be cooled continuously for ≥30 months without power failure; 2. After the 30-liter liquid nitrogen tank is filled with liquid nitrogen, the liquid nitrogen can ensure the low temperature environment of the detector in the case of power failure, ensuring the continuous normal operation of the system for 7 days; 3. Refrigeration based on the Stirling principle; The refrigerator recovers the volatilized nitrogen and compresses it back into liquid nitrogen; 4. The interface is customized and can match the high-purity germanium γ spectrometer;