Introduction of characteristics of thermal shock test chamber
1. The product has beautiful appearance, reasonable structure, advanced technology, and excellent material selection. It has simple and convenient operation performance and reliable equipment performance. The equipment is divided into three parts: high temperature box, low temperature box and test box. It adopts unique heat-breaking structure and heat storage and cold storage effect. The test object is completely static during the test. The cold and hot air flow switching mode is adopted to introduce cold and hot temperature into the test area. The purpose of the thermal shock test.
2. With automatic, high-precision system loop, any machine action, completely PLC lock processing, all adopt PID automatic calculus control, high temperature control accuracy. Advanced scientific air circulation design, make indoor temperature uniform, avoid any Dead angle; complete safety protection device, avoiding any potential safety hazards and ensuring long-term reliability of equipment.
3. The left side of the box has a test hole with a diameter of 50mm, which can be used to add power supply load wiring test parts. It can independently set the functions of three different conditions: high temperature, low temperature and cold and hot shock. When performing cold and hot shock conditions, it can choose two-slot or three-slot type and cold punching and hot punching for impact function. The function of the test machine.
4. The refrigeration system adopts the design of overlapping high-efficiency low-temperature loop system. The refrigeration unit adopts the imported compressors from Europe and America, and adopts the green environmental protection (HFC) refrigerant R507 with zero ozone coefficient. R23. Super safety protection function: power overload protection , leakage protection, control loop overload, short circuit protection, compressor protection, grounding protection, over temperature protection, alarm voice prompts, etc.
5. Adopting the most advanced measuring device, the controller adopts large-scale color liquid crystal human-machine touch-talking LCD human-machine interface controller, which is easy to operate, easy to learn, stable and reliable, and displays the complete system operation status and execution in Chinese and English. And set the program curve. With 96 test specifications independently set, the impact time is 999 hours and 59 minutes, and the cycle time can be set from 1 to 999 times. It can realize the automatic operation of the refrigerator, maximize the automation, reduce the workload of the operator, and automatically start at any time. Start and stop working.
6. It can set the number of cycles and the number of defrosting automatic (manual) defrosting. The air outlet is detected and controlled by the air return port sensor. The switching time of the damper mechanism is completed within 10 seconds. The Bell brand thermal shock temperature recovery time is within 5 minutes. carry out. The status display and curve display during operation, when an abnormal situation occurs, the fault point and cause are automatically displayed on the screen and the method for troubleshooting is provided. When the input power is unstable, the emergency stop device is provided.
Chloride is a common inorganic anion in water and wastewater. Chloride ions are found in almost all natural water,and their levels vary widely. In rivers, lakes. In marshes, chloride levels are generally low,but in seawater,salt lakes,and some groundwater levels can be as high as tens of grams per liter. In the human survival activities,chloride has very important physiological functions and industrial uses.Because of this,a considerable amount of chloride ions are contained in domestic sewage and industrial wastewater.
If the content of chloride ion in the book reaches 250mg without litres,the corresponding cation is sodium,will feel salty; High levels of chloride in water can damage metal pipes and buildings and hinder plant growth.
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