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How to solve the problem of poor cooling performance of the heat transfer oil circulation system?
Some heat-conducting oil circulation systems will not be as good as before after 3 months of use. At this time, it is recommended to contact the professional after-sales department to check the user's power supply and whether the equipment is normal. The test heat conduction oil circulation system is set to cool operation, and the working pressure is 4.5kg/cm2. Considering that the variable frequency heat transfer oil circulation system uses the electronic expansion valve to throttle, it is n...
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How is the electric vehicle battery test driver grounded?
If the electric vehicle battery test is not isolated between the AC power source and the drive DC bus (such as a transformer), do not connect the non-isolated port of the DC bus or the ground of the non-isolated signal to the ground, which may result in equipment damage and personal injury. Because the common voltage of the AC is not to earth, there may be a high voltage between the DC bus ground and the earth. In most electric vehicle battery test systems, all common ground and earth are con...
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Многофункциональная высоко- и низкотемпературная камера испытания на удар качественный элемент цена
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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Advantages of LNEYA heat transfer oil heater
The heat transfer oil electric heater is a new type of thermal energy conversion device that uses electricity as the energy source and heat transfer oil as the heat transfer medium. It can provide circulating heat transfer oil of circulating pump to carry out repeated heating to reach the required heating temperature, to achieve the required temperature control process and high precision temperature control precision. Compared with traditional coal, diesel and gas boilers, heat transfer oil h...
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Характеристики испарителя винтового холодильника LNEYA
The amount of cooling capacity of the screw chiller is directly related to the energy consumption and operational economics of the entire unit, which is worthy of attention. Especially when designing a cold station, there is no single chiller in the general situation. This is mainly because when the screw chiller fails or is shut down for maintenance, it will not stop production. Instead, the reasonable unit should be selected according to the production situation. The number of units. When t...
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LNEYA Холодный и горячий аппарат SUNDI инструкция
The temperature range of the hot and cold machine ranges from -120 ° C to 350 ° C. It has superior performance and unique performance. It has high precision and intelligent temperature control. The high cooling power is from 0.5 to 1200 kW. High production stability and repeatability result. Functional alarm system and safety functions, using plate heat exchangers, ducted heaters to increase heating and cooling rates. The hot and cold machine adopts 7-inch, 10-inch color TFT touch screen grap...
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Factors affecting cooling capacity during temperature control of battery test equipment
Battery Test Equipment Refrigeration System The greater the power of the battery test equipment compressor, the higher the cooling capacity. According to the size of the battery test equipment, the compressors of different types are selected. For example, the small battery test equipment is piston type, and the medium type is optional. Scroll type. When the water temperature of the battery test equipment (the evaporation temperature is different, the cooling capacity is different), the higher...
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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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