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Minimum 40 degree refrigerator use precautions
The temperature of the lower 40 degree refrigerator is indoor temperature: 5-32 °C, relative humidity 80%/22 °C, the distance from the ground > 10cm, the altitude below 2000m, the safe environment guarantees a smoother operation of the lower 40 degree refrigerator. During the use of the minus 40 degree refrigerator, the samples with strong acidity and corrosiveness should not be frozen. Check the sealing strip of the outer door frequently. The four feet of the floor are stable and level. P...
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Steaming system temperature control safety requirements
The steaming system temperature control is one of the low temperature refrigerators designed and produced by Wuxi Guanya LNEYA. The temperature range is from -5 °C to -150 °C. The secondary subcooling technology is adopted, the refrigeration is rapid, the refrigeration temperature is low, and the liquid is rapidly cooled. It is widely used in high-tech industries such as petrochemical, medical, pharmaceutical, biochemical, freeze-drying, pharmaceutical, military and so on. Before using the st...
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New energy battery test cooling device compressor fault judgment
How to identify the three terminals on the fully enclosed compressor casing of the new energy battery test cooling unit? The resistance between the running end (R), the starting end (S), the common end (C), and the RS is greater than the resistance between the SC and the resistance between the RC. The resistance between RS is equal to the resistance between SC and the resistance between RC. It can be discriminated by the above rule, and it should be noted that the resistance values of the ter...
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Multi-stage refrigeration system centrifugal compressor repair instructions
After the centrifugal compressor of the cascade refrigeration system is disassembled, the dimensions of each journal (cooperating with the impeller, bearing, coupling, etc.) are measured with an outer diameter micrometer to calculate the roundness and cylindricity deviation. The value should be Within the allowable range. When the tolerance is large, check if the straightness deviation of the spindle is too large. Place the spindle in the casing or place it on the top of the lathe so that the...
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Battery test water cooler common knowledge description
Battery test Water-cooled air intake If there is no superheat, there may be a return air with liquid, and even cause a wet stroke liquid shock to damage the compressor. In order to avoid this phenomenon, a certain degree of suction superheat is required to ensure that only dry steam enters the compressor (the presence of superheat indicates the complete evaporation of the liquid refrigerant due to the nature of the refrigerant). However, the battery test water cooler has too high superheat an...
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How to choose the cooling and heating temperature control system?
The price of the refrigeration heating temperature control system is not the main factor. The main purpose is to implement the temperature control technology through the temperature control function. However, it is not the temperature control system of each refrigeration heating temperature control system manufacturer. All are the same, the industry has specialization, the technology of different manufacturers is also different, so users need to choose well, whether the refrigeration heating ...
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Semiconductor laser automatic temperature control equipment accessories fault solution
Semiconductor laser automatic temperature control compressor frosting, may be circulating water circulation or valve is not open, check the water valve, all pipelines, to ensure smooth, install short-circuit pipeline. It may be that the circulating water pipe is too small, and the diameter of the circulating water pipe is increased to ensure the normal water circulation. Semiconductor laser automatic temperature control icing in the circulating water tank may be set too low to correct the set...
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How to choose the price of semiconductor constant temperature system?
Now, it can be said that most of the industrial productions require semiconductor constant temperature systems to provide professional refrigeration. An efficient semiconductor constant temperature system can provide great help for various industrial production. So, what kind of semiconductor constant temperature system is cost-effective? Is it higher? This may be a key issue that many companies want to know. Many technicians of semiconductor constant temperature systems believe that when cho...
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Industrial grade heating and cooling system placement attention
Industrial-grade heating and cooling system Before the power is turned on, check whether the voltage specified on the nameplate is the same as the household voltage. The same can be used to arrange separate power lines and special sockets for the industrial heating and cooling system. It cannot be used with other electrical appliances. The same socket, otherwise it will cause a bad accident, the grounding device should be installed, and then the industrial-grade heating and cooling system is ...
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Glycol chiller installation requirements
In the summer, the use of glycol chillers is relatively frequent. Efficient glycol chillers are also needed. Therefore, when installing glycol chillers, they need to be installed on a smooth and tidy floor. Why choose a smooth ground when installing? Users who have known the glycol chiller should know that if the glycol chiller is tilted during installation, it may cause the refrigerant or cooling water or chilled water to operate abnormally, and the refrigerant may flow backward or the resis...
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