German GRAPHO METRONIC sensors, GRAPHO METRONIC models, GRAPHO METRONIC prices

GRAPHO METRONIC sensors are used to measure the robot's own position. Position sensors can be divided into two types: contact sensors and proximity sensors. They are sensors that can sense the position of the measured object and convert it into a usable output signal. It is a sensor that can sense the position of the measured object and convert it into a usable output signal. Position sensors can be used to detect position and reflect switches in a certain state. Unlike displacement sensors, position sensors come in two types: contact and proximity.

GRAPHO METRONIC 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 and 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 from multiple levels and aspects based on the separate observation information obtained from each sensor. This not only leverages the advantages of collaborative operation among multiple sensors but also comprehensively processes data from other information sources to enhance the intelligence of the entire sensor system. Pressure sensors are the most widely used type of sensor. Traditional pressure sensors mainly consist of mechanical structural components, indicating pressure through the deformation of elastic elements. However, such structures are 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 moving towards miniaturization, featuring low power consumption and high reliability.

GRAPHO METRONIC sensor installation precautions

1) Correct installation method: Using appropriate instruments, verify the frequency response value of the pressure sensor under normal atmospheric pressure and standard temperature conditions. Verify the correctness of the pressure sensor's code against the corresponding frequency response signal. 2) Determine specific installation location: To determine the numbering and specific installation location of the pressure sensor, 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 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 identifying 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 need not be installed where they are not required.

GRAPHO METRONIC 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 primarily used to complete closed-loop force control. When the control valve spool moves suddenly, peak pressures several times the system working pressure can form within an extremely 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 achieving shock resistance in pressure sensors: one is to replace the strain gauge chip, and the other is to use an external coil pipe. The first method is generally adopted in hydraulic systems, mainly due to ease of installation. Another reason is that the pressure sensor must withstand continuous pressure pulsations from the hydraulic pump. 2) Application in safety control systems: Pressure sensors are frequently used in safety control systems, primarily targeting the safety management system of the air compressor itself. 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 aspects of performance, price, and operational safety and convenience. Practical evidence shows that the effect of selecting pressure sensors is very good. Pressure sensors use machining technology for mechanical equipment to mount 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 helps 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 systems, cold runner systems, and within the mold cavity. They can measure the plastic pressure at some point between the nozzle of the injection molding machine and 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 types of 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 sensor to use 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 have a compact form factor, are easy to install, and generally adopt a specialized valve needle design for the pressure port.

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