German Widap sensors, Widap models, Widap prices

Widap sensors are sensors that can sense temperature and convert it into usable output signals. Temperature sensors are the core component of temperature measuring instruments and come in a wide variety. According to the measurement method, they can be divided into two major categories: contact and non-contact. According to sensor material and electronic component characteristics, they are divided into two types: resistance thermometers and thermocouples.

Widap sensor classification

The basic principle of multi-sensor information fusion technology is similar to the process of the human brain comprehensively processing information. It performs multi-level, multi-space information complementary and optimized combination processing on various sensors, ultimately producing a consistent interpretation of the observed environment. In this process, multi-source data must be fully utilized for reasonable allocation and use. The ultimate goal of information fusion is to derive more useful information by combining information at multiple levels and aspects, based on the separate observation information obtained from each sensor. This not only utilizes the advantages of collaborative operation among multiple sensors, but also comprehensively processes data from other information sources to improve the intelligence of the entire sensor system. Pressure sensors are the most widely used type of sensor. Traditional pressure sensors are mainly mechanical structural devices, indicating pressure through the deformation of elastic elements. However, this structure is large in size and heavy in weight, and cannot provide electrical output. With the development of semiconductor technology, semiconductor pressure sensors have emerged. Their characteristics include small size, light weight, high accuracy, and good temperature characteristics. Especially with the development of MEMS technology, semiconductor sensors are developing towards miniaturization, and they feature low power consumption and high reliability.

Widap sensor installation precautions

1) Correct installation method: Verify the frequency response value of the pressure sensor using appropriate instrumentation under normal atmospheric pressure and standard temperature conditions. Verify the correctness of the pressure sensor code and the corresponding frequency response signal. 2) Determine specific installation location: To determine the numbering and specific installation location of pressure sensors, consider each inflation section of the inflation network. Pressure sensors must be installed along the cable, preferably at cable joints. Install no fewer than 4 pressure sensors on each cable. The two pressure sensors closest to the telephone exchange should be no more than 200m apart. Install 1 at each end of every cable. Install 1 at each branch point of the cable. If two branch points are close together (less than 100 m), only 1 needs to be installed. Install 1 at locations where the cable laying method (overhead, underground) changes. For cables without branches, since the cable program is consistent, the installation spacing of pressure sensors should be no greater than 500m, and the total number should be no less than 4. To facilitate the identification of pressure sensor fault points, in addition to installing a pressure sensor at the starting point, install another 1 at a distance of 150~200m from the starting point. Of course, economic and technical factors must be considered in the design; pressure sensors should not be installed where they are not needed.

Widap sensor applications

Pressure sensors are mainly applied in: booster cylinders, boosters, gas-liquid booster cylinders, gas-liquid boosters, presses, compressors, air conditioning and refrigeration equipment, and other fields. 1) Application in hydraulic systems: In hydraulic systems, pressure sensors are mainly used to complete closed-loop force control. When the control valve spool moves suddenly, a peak pressure several times the system operating pressure will form within a very short time. In typical mobile machinery and industrial hydraulics, if such extreme operating conditions are not considered during design, any pressure sensor will be damaged quickly. Shock-resistant pressure sensors are required. There are mainly 2 methods for pressure sensors to achieve shock resistance: one is to replace the strain gauge chip, and the other is to use an external coil. The first method is generally adopted in hydraulic systems, mainly because it is easier to install. Another reason is that the pressure sensor must also withstand continuous pressure pulsations from the hydraulic pump. 2) Application in safety control systems: Pressure sensors are frequently used in safety control systems, mainly targeting the safety management system of air compressors themselves. There are many sensor applications in the field of safety control. As a very common sensor, the application of pressure sensors in safety control systems is not surprising. Applications in the safety control field are generally considered from the aspects of performance, price, and operational safety and convenience. Practice has proven that the effect of selecting pressure sensors is very good. Pressure sensors use machining technology of mechanical equipment to install some components and signal conditioners on a very small chip. Therefore, small size is one of its advantages. In addition, low price is another major advantage. To a certain extent, it can improve the accuracy of system testing. In safety control systems, installing pressure sensors in the pipeline equipment at the air outlet can control the pressure brought by the compressor to a certain extent. This serves as a certain protective measure and is also a very effective control system. After the compressor starts normally, if the pressure value does not reach the upper limit, the controller will open the intake port and adjust to bring the equipment to maximum power. 3) Application in injection molds: Pressure sensors play an important role in injection molds. Pressure sensors can be installed in the nozzle of the injection molding machine, hot runner system, cold runner system, and the mold cavity. They can measure the plastic pressure at a certain point from the nozzle of the injection molding machine to the mold cavity during the processes of injection, filling, holding pressure, and cooling. 4) Application in monitoring mine pressure: Sensor technology is one of the key technologies for mine pressure monitoring. On one hand, we should correctly apply existing various sensors to serve the mining industry; on the other hand, as sensor manufacturers, we must research and develop new pressure sensors to adapt to more mining industry applications. There are various types of pressure sensors. Due to the special environment of mine pressure monitoring, mine-used pressure sensors mainly include: vibrating wire pressure sensors, semiconductor piezoresistive pressure sensors, metal strain gauge pressure sensors, and differential transformer pressure sensors. These sensors have wide applications in the mineral industry. The specific type of sensor to be used should be selected according to the specific mining environment. 5) Application in compressors and air conditioning/refrigeration equipment: Pressure sensors are commonly used in air compressors and air conditioning/refrigeration equipment. Such sensor products are compact in shape and easy to install. The pressure guide port generally adopts a special valve needle design.

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