Turck's Turck pressure sensors have outstanding machining and heat treatment capabilities and high compressive strength. Affected by 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 scale light accuracy is high, and the load cell 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, because the lever, knife edge and other parts conflict with each other for loss and deformation, 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 work stably for a long time under harsh environmental conditions. 3. The frequency echo characteristics are excellent. THE GENERAL RESISTANCE STRAIN GAUGE OF THE PRESSURE SENSOR ECHOES AT 0.01MS, AND THE SEMICONDUCTOR STRAIN GAUGE CAN REACH 0.001MS, IF THE METHOD CAN BE ADOPTED ON THE ELASTIC ELEMENT.
Because the human body is suitable for electrical conductors at low frequencies, there are also tremor measurements and anti-theft alarms for people. 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 is more than the direct measurement of a conversion process, and the original that completes this conversion 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 the elastic element to have high elastic energy storage, which generally indicates the ability to store deformation work for elastic data without deformation.
The pressure sensor also has a new use on Apple earphones, Apple's new headphone program: put the pressure sensor in the sound quality will be better, and the Apple earphones developed this time to deal with the problem of mismatch between the 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 within a frequency scale. 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 include piezoelectric or capacitive power supplies. Depending on the type of headset, this elastic data pressure sensor is exposed to the user's ear in a corresponding pattern. By measuring the change in pressure, we provide an approximate budget for the ear scale, which can be used to change the output volume level.
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