The products of high and low temperature test chambers have the characteristics of simulating the temperature change in the atmospheric environment. It is mainly used for electrical, electronic products, and their components and other materials to be transported under high temperature and low temperature integrated environments. For product design, improvement, identification and inspection.
Temperature fluctuation: This indicator is also called temperature stability. After controlling the temperature stability, the difference between high and low temperature at any point in the working space within a given arbitrary time interval.
There is a small difference here. The "working space" is not a "studio", it is a space where the studio removes about 1/10 of the length of each side of the box wall. This indicator evaluates the control technology of the product.
Temperature range: refers to the extreme temperature that the product studio can withstand and / or reach. Usually contains the concept of constant control, which should be an extreme value that can run stably for a relatively long time.
The general temperature range of the high and low temperature test box includes extreme high temperature and extreme low temperature. The general standard requires that the index is ≤1 ℃ or ± 0.5 ℃.
Temperature uniformity: The old standard is called uniformity, and the new standard is called gradient. After the temperature is stable, the difference between the average temperature of any two points in the working space at any time interval is a large value.
This indicator can evaluate the core technology of the product more than the following temperature deviation index, so many companies' samples and solutions deliberately hide this item. The general standard requires that the index is ≤2 ℃
Temperature deviation: After the temperature is stable, the difference between the average temperature of the center of the working space and the average temperature of other points in the working space at any time interval.
Although the new and old standards of the high and low temperature test chambers have the same definition and name for this indicator, the test has changed. The new standard is more practical and harsher, but the evaluation time is shorter. The general standard requires an index of ± 2 ° C. Pure high-temperature test chambers above 200 ° C can be required according to the actual use temperature of Celsius (° C) ± 2%.
Qinzhuo's new generation of high and low temperature test chambers have temperature uniformity ≤ ± 1.0 ° C, temperature deviation ≤ ± 1.5 ° C, temperature fluctuation ≤ ± 0.5 ° C, which is higher than national standards and is more suitable for reliability testing of products such as electronic point labor.

Recycled Asphalt Mixing Plant

Mobile Asphalt Mixing Plant is a convenient, efficient and mobile asphalt mixture production equipment, which is suitable for all kinds of road construction and maintenance projects. It has the characteristics of strong mobility, quick installation and easy operation, and can provide high quality asphalt mixture for the project and improve the construction efficiency.

Mobile Asphalt Mixing Plant is mainly composed of mixing host, dosing system, fuel system, support device and dust removal system. Among them, the mixing machine is the core part, which is responsible for mixing various raw materials evenly to produce high-quality asphalt mixture. The dosing system is responsible for adding various raw materials to the mixing machine in a certain proportion. The fuel system powers the entire device, usually using diesel or gasoline. The support unit includes four wheels and a suspension system that allows the device to travel and operate in a variety of terrain conditions. The dust removal system is responsible for collecting dust and exhaust gas generated during the production process to ensure a clean working environment and air quality.

The working process of the mobile asphalt mixing station mainly includes the following steps: First, the various raw materials are prepared and added to the mixing machine through the dosing system. Next, the mixer machine starts to work, mixing the raw materials evenly to produce the asphalt mixture. The asphalt mixture is then transported to the construction site for road paving or maintenance. In the whole process, the operation of the mobile asphalt mixing plant is simple and convenient, and it can be quickly deployed and moved, which greatly improves the construction efficiency.

Compared with the traditional fixed asphalt mixing plant, the mobile asphalt mixing plant has the following advantages: First, it has the characteristics of strong mobility and rapid deployment, and can adapt to a variety of complex terrain and construction environment. Secondly, the installation and disassembly of the mobile asphalt mixing plant is very convenient, and the transfer and installation of the equipment can be quickly completed, reducing the construction time. In addition, the operation of the mobile asphalt mixing plant is simple and easy to maintain, reducing the skill requirements of the operator and maintenance costs.

In short, the mobile asphalt mixing plant is an efficient, convenient and mobile asphalt mixture production equipment, which is suitable for all kinds of road construction and maintenance projects. It has many advantages, can provide high quality asphalt mixture for engineering, improve construction efficiency, and has a wide range of application prospects.

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