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Sensor Design Points
1. Generally, the measured physical quantity is very small, and usually also has the inherent conversion noise as the physical conversion element of the sensor. For example, the signal strength of the sensor under the magnification of 1 is 0.1~1uV, and the background noise signal at this time is ...Read more -
Ultra-sensitive pressure sensor sponge
Wearable pressure sensors are essential for real-time monitoring of human activities and the status of biomimetic robots.Recently, a joint team of Zhang Mingjia, an associate researcher at the Qingdao Institute of Bioenergy and Processes, Chinese Academy of Sciences, and Huang Changshui, a resear...Read more -
Sensor damping characteristics and temperature
Damping characteristics Differential pressure transmitters are often used to measure fluid flow in conjunction with throttling devices, and can also measure the liquid level, flow, and level of the medium in the container according to the principle of static pressure.These two physical parameters...Read more -
Transmitter power supply
Electric instruments all need power supply to supply energy, and the power supply method is also an important issue in electric instruments.There are roughly two power supply modes for current electric meters: AC power supply and DC centralized power supply. (1) AC power supply. The power frequen...Read more -
Transmitter installation location
Today we take the orifice plate differential pressure transmitter as an example to illustrate the installation position when they measure gas, liquid and steam. (1) Measure liquid medium When the transmitter measures the pressure or differential pressure of the liquid, it is mainly to prevent the...Read more -
Transmitter installation
1：Introduce Signal pressure The input signal pressure of the transmitter is generally introduced in three ways: ①through the straight-through terminal joint; ②through the waist flange; ③through the valve group. 1) Via feed-through terminal fittings Figure 5.1 shows the structure of the straight-...Read more -
massage chair pressure sensor
According to big data, health care products such as blood glucose meters, blood pressure meters, massage chairs, etc. are very popular in the Spring Festival gifts every year. People are paying more and more attention to health.For example, massage chairs, a product of the combination of ancient ...Read more -
IoT and Sensors
The way in which IoT solutions play a key role in automation is based on the assumption that machines can operate in an autonomous and intelligent manner. What enables them to do so is the ability to process large volumes of collected data. The data that can be collected includes animations and v...Read more -
Eddy Current Pressure Sensor
A pressure sensor based on the eddy current effect. Eddy current effects are produced by the intersection of a moving magnetic field with a metallic conductor, or by the perpendicular intersection of a moving metallic conductor with the magnetic field. In short, it is caused by the effect of elec...Read more -
Inductive pressure sensor
The working principle of the inductive pressure sensor is that due to the different magnetic materials and permeability, when the pressure acts on the diaphragm, the size of the air gap changes, and the change of the air gap affects the change of the coil inductance.The processing circuit can con...Read more -
Capacitive pressure sensor
Capacitive pressure sensor is a pressure sensor that uses capacitance as a sensitive element to convert the measured pressure into a change in capacitance value.This kind of pressure sensor generally uses a circular metal film or a metal-plated film as an electrode of the capacitor.When the film ...Read more -
Piezoresistive pressure sensor
Piezoresistive pressure sensors are mainly based on the piezoresistive effect. The piezoresistive effect is used to describe the change in resistance of a material under mechanical stress.Unlike the piezoelectric effect, the piezoresistive effect only produces a change in impedance, not an electr...Read more