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Multi-functional high and low temperature impact test chamber quality price element
Especially when purchasing multi-functional high and low temperature impact test chambers, the price factor often determines the quality of its products. After all, manufacturers have to survive. It is unlikely that they will sell high-quality equipment at low prices, so people are buying When paying attention to the quality of the product, only the quality can guarantee the effect that the user wants in the course of its use. Although the price of the multi-functional high and low temperatur...
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Effect of evaporator instrument for low temperature experiment on refrigeration system
According to different models, the choice of evaporators for low-temperature experiment special instruments is also different, such as box-type low temperature experiment special instruments, using water tank coil evaporator; open low temperature experiment special instrument and screw type refrigerator, then choose Shell and tube evaporator; for special instruments for acid and alkali resistance low temperature experiments, titanium tube evaporator or stainless steel plate exchanger can be s...
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High precision semiconductor incubator maintenance instructions
The high-precision semiconductor incubator is in the state of the evaporator as a gas refrigerant; after the adiabatic shrinkage of the shrinking machine, it becomes a high-temperature and high-pressure state, and the contracted gas refrigerant is condensed in the condenser by equal pressure, and is converted by condensation. The liquid refrigerant is expanded into a low pressure through a throttle valve to become a gas-liquid mixture. The liquid refrigerant at low temperature and low pressur...
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What are the effects of power failure on liquid nitrogen cryogenic cold box?
Different industries have different temperature requirements for liquid nitrogen cryogenic cryostats. Of course, there are many types of cryogenic cryostats. The refrigeration methods used in different industries are different. Wuxi Guanya LNEYA uses compressor refrigeration. The cooling effect that can be achieved is almost the same as that of the liquid nitrogen cryogenic cold box. However, there are still customers who use liquid nitrogen cryogenic cryostats, and customers who encounter a ...
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Importance of refrigerants in new energy vehicle battery test systems
If the flow rate of the refrigerant in the new energy vehicle battery test system is extremely small, the refrigerant will start to expand from the first expandable space at the rear end of the throttle valve. Most of the see-up of the rear end of the expansion valve is often due to lack of cooling. Or the expansion valve flow is not enough, too little refrigerant expansion will not use all the evaporator area, only the low temperature is formed locally in the evaporator, and some areas are r...
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Description of the compressor of the high and low temperature damp heat test device
Different types of compressors for high and low temperature damp heat test devices often have an impact on price. When choosing, we should choose low-energy refrigeration compressors as much as possible. Now China is paying more and more attention to energy conservation and emission reduction, we must also make our own efforts. Doing this, and the loss of machinery is not much of a benefit to us, and the other is to choose less noise, so as not to affect our rest. High and low temperature dam...
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Motor cooling system tests the effect of condensing temperature
The motor cooling system tests the condenser. Under normal conditions, the first half of the heat pipe is very hot, and its temperature has a slow and slow gradual decline in the balance of power. The heat sensitivity of the second half of the heat pipe is greatly reduced compared with the first half. It is because the refrigerant in the second half of the tube has gradually liquefied, and the condensation temperature and the supercooling temperature have been reached. When the motor cooling ...
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Reasons for the decrease of heat transfer effect of vertical ultra-low temperature refrigerator
If the outer frost layer of the vertical ultra-low temperature refrigerator is too thick or excessively dusty, it can be caused because the external temperature of the evaporator is mostly lower than 0 °C, resulting in low heat transfer efficiency of the evaporator. Because the vertical ultra-low temperature refrigerator has relatively high humidity, the moisture in the air is easy to frost on the surface of the evaporator, and even freezes, which affects the heat transfer effect of the evapo...
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Semiconductor refrigeration temperature control table cooler operation instructions
The power supply switching of the control system of the transformer cooling system of the semiconductor refrigeration temperature control station uses the imported dual power automatic switching device. Its main function is automatic switching between the active and standby working power sources. When the common power failure occurs, it automatically switches to the standby power supply. When both power supplies are normal, the common power supply works and the standby power supply is in stan...
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