German CARINTHIAN TECH sensor, CARINTHIAN TECH model, CARINTHIAN TECH price

CARINTHIAN TECH sensors generally consist of 2 parts: the processing path and the processing element. The basic principle is based on the photoelectric effect, converting changes in the measured quantity into changes in optical signals, and then using photoelectric components to further convert non-electrical signals into electrical signals. The photoelectric effect refers to illuminating an object with light, which can be viewed as a stream of photons with specific energy bombarding the object. At this time, the photon energy is transferred to electrons, and the entire energy of one photon is absorbed by one electron at once. After the electron receives the energy transmitted by the photon, its state changes, causing the illuminated object to produce a corresponding electrical effect. The photoelectric effect is usually divided into 3 categories: (1) The phenomenon where electrons escape from the surface of an object under the action of light is called the external photoelectric effect, such as in phototubes and photomultiplier tubes; (2) The phenomenon where the resistivity of an object changes under the action of light is called the internal photoelectric effect, such as in photoresistors and phototransistors; (3) The phenomenon where an object generates an electromotive force in a certain direction under the action of light is called the photovoltaic effect, such as in photocells. Valve CARINTHIAN TECH sensor classification

Load cells are classified into 8 types based on the conversion method, including photoelectric, hydraulic, electromagnetic force, capacitive, magnetic pole deformation, vibratory, gyroscope, and resistive strain gauge types, with resistive strain gauge being the most widely used. 1) Photoelectric type: Includes grating and code disk types. Grating sensors convert angular displacement into photoelectric signals using Moiré fringes formed by gratings. There are two gratings: one fixed grating and one moving grating mounted on the dial shaft. The measured object placed on the load-bearing platform rotates the dial shaft through a force transmission lever system, driving the moving grating to rotate and causing the Moiré fringes to move accordingly. Using a phototube, conversion circuit, and display instrument, the number of moved Moiré fringes can be calculated to determine the angle of grating rotation, thereby determining and reading out the mass of the measured object. Code disk sensor: The code disk (symbol plate) is a piece of transparent glass mounted on the dial shaft, featuring black-and-white codes arranged according to a specific encoding method. When the measured object on the load-bearing platform rotates the dial shaft via the force transmission lever, the code disk also rotates by a certain angle. A photocell receives the light signal passing through the code disk and converts it into an electrical signal, which is then digitally processed by the circuit, finally displaying the digital value representing the measured mass on the display. Photoelectric sensors were mainly used in electromechanical combination scales. 2) Hydraulic type: Under the action of the gravity P of the measured object, the pressure of the hydraulic oil increases, with the degree of increase proportional to P. By measuring the increased pressure value, the mass of the measured object can be determined. Hydraulic sensors have a simple and robust structure and a large measurement range, but the accuracy generally does not exceed 1/100. 3) Capacitive type: It operates based on the proportional relationship between the oscillation frequency f of the capacitor oscillator circuit and the distance d between the plates. There are two plates, one fixed and the other movable. When the measured object is loaded onto the load-bearing platform, the leaf spring deflects, changing the distance between the two plates, which in turn changes the oscillation frequency of the circuit. By measuring the change in frequency, the mass of the measured object on the load-bearing platform can be calculated. Capacitive sensors consume little power, have low cost, and offer an accuracy of 1/200 to 1/500.

CARINTHIAN TECH sensor features

Resistors, inductors, and capacitors are the three major types of passive components in electronics. A capacitive sensor is a sensor that converts changes in the measured quantity into changes in capacitance; it is essentially a capacitor with variable parameters. Capacitive sensors have the following advantages: high impedance, low power, requiring only very low input energy. They can obtain large changes, resulting in high signal-to-noise ratio and system stability. Fast dynamic response, with operating frequencies reaching several megahertz. Non-b contact measurement; the measured object can be either a conductor or a semiconductor. Simple structure, strong adaptability, capable of working in harsh environments such as high/low temperatures and strong radiation, with wide applications. With the development of electronic technology and computer technology, the disadvantages of capacitive sensors, such as susceptibility to interference and distributed capacitance, have been continuously overcome. Additionally, capacitive grid displacement sensors and integrated capacitive sensors have been developed. Therefore, they are widely used in non-electrical quantity measurement and automatic detection, capable of measuring parameters such as pressure, displacement, speed, acceleration, A degree, thickness, liquid level, humidity, vibration, and component content. Capacitive sensors have good development prospects.

CARINTHIAN TECH sensor installation precautions

1) Handle load cells with care, especially small-capacity sensors using aluminum alloy as the elastic body. Any impact or drop caused by vibration is likely to cause significant output errors. 2) When designing the loading device and during installation, ensure that the line of action of the loading force coincides with the force axis of the load cell to minimize the effects of inclined and eccentric loads. 3) Regarding level adjustment. If a load cell is used, the installation plane of its base must be adjusted with a spirit level until horizontal. If multiple sensors are used for simultaneous measurement, their base installation surfaces should be kept as level as possible. The main purpose of this is to ensure that the force borne by each sensor is basically consistent. 4) Determine the rated load of the sensor used based on the load cell capacity selection specified in its instructions. 5) To prevent chemical corrosion, it is advisable to coat the outer surface of the load cell with Vaseline during installation. Avoid direct sunlight and environments with drastic temperature changes. 6) Install bypassers made of copper braided wire at both ends of the load cell loading device. 7) Do not extend the cable yourself. If extension is absolutely necessary, solder the joints with tin and add moisture-proof sealant. 8) It is best to use baffles to cover the sensor around the load cell. This prevents debris from falling into the moving parts of the sensor, affecting its measurement accuracy. 9) The sensor cable should be kept away from high-power power lines or places with pulse waves. If avoidance is impossible, the load cell cable should be run separately through an iron pipe, and the connection distance should be shortened as much as possible. 10) Determine the rated load of the sensor used based on the load cell capacity selection specified in its instructions. Although load cells have a certain overload capacity, such situations should be avoided during installation and use. Sometimes, short-term overload may cause permanent damage to the sensor. 11) For high-precision applications, the load cell and instrument should be used after preheating for 30 minutes.

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