Turck's pressure sensors have good machining and heat treatment functions and have high compressive strength. Affected by the characteristics of low temperature, the correct selection of elastic sensitive components and strain gauge bridges is an important way to improve the strain gauge sensor: 1. The measurement range has high optical accuracy, and the load sensor can measure the force of 0.01-1000000N, and the accuracy can reach more than 0.05%FS; The pressure sensor can measure the pressure of 0.1-1000000, and the accuracy can reach 0.1%FS. 2. The function is stable and reliable, and the service life is long, such as the weighing mechanical lever scale, due to the loss and deformation of the lever, knife edge and other parts of the conflict, it is appropriate and difficult to maintain its accuracy for a long time, and the electronic pump, truck scale, rail scale, etc. made of resistance strain load cell can operate stably for a long time under harsh environmental conditions. 3. The frequency echo characteristics are excellent. THE GENERAL RESPONSE TIME OF THE RESISTANCE STRAIN GAUGE OF THE PRESSURE SENSOR IS 0.01MS, AND THE SEMICONDUCTOR STRAIN GAUGE CAN REACH 0.001MS, IF THE METHOD CAN BE TAKEN ON THE ELASTIC ELEMENT.
Since the human body is suitable for electrical conductors at low frequencies, it is also presented for human tremor measurement and anti-theft alarm. When measuring the strain of the component, the strain gauge can be directly pasted on the component, but if you want to measure the signals such as force, pressure, acceleration, etc., these physical quantities should be converted into strain first, and then measured with the strain gauge, which has one more conversion process than when directly measuring, and the original that completes this transformation process is generally called the elastic element, therefore, the strain gauge sensor is generally composed of two parts: the elastic sensitive element and the strain gauge. The elastic sensitive element is the core component of the sensor, which requires high elastic energy storage of the elastic element, which generally indicates the ability to store deformation work for elastic data without permanent deformation.
The pressure sensor also has a new application on Apple earphones, Apple's new headphone program: put the pressure sensor in the sound quality will be better, and the research and development of Apple earphones in order to solve the problem of mismatch between earbuds and the user's ears, launched a product that can be calculated according to the user's ear scale, through the data collected by the pressure sensor inside the earphone, and dynamically adjust the volume in a frequency range. In some cases, Apple requires sensors to use a type of resilient data called Quantum Tunneling Composites. When external pressure is applied to this data, its resistance is reduced accordingly, so that the pressure becomes measurable. Other available sensors also include piezoelectric or capacitive power supplies. Depending on the type of headset, this elastic data pressure sensor touches the user's ear in a corresponding pattern. After changing the measurement pressure, a rough estimate of the ear scale is provided, and this data can be used to change the output volume level.
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