Common Panasonic sensor classifications.
Type of resistance
An impedance sensor is a device that converts physical quantities such as displacement, deformation, force, acceleration, humidity, and temperature into resistance values. It mainly includes resistance strain type, piezoresistive type, thermal resistance type, thermal type, gas sensitive type, moisture sensitive type and other resistance sensors.
Weighing.
Weighing Panasonic sensor is a kind of power-electric conversion device that can convert the gravity type into an electromagnetic signal, which is an important part of the electronic scale. There are many types of sensors that can complete the electromechanical conversion, and the commonly used ones are resistance-strain gauge type, electromagnetic force-capacitive type, etc. The electromagnetic type is mainly used in electronic balances, the capacitive type is mainly used in some electronic crane scales, and the vast majority of scale products use resistance strain gauge load cells. The utility model discloses a simple structure, high precision, wide range of application, and can be used in relatively harsh environment, has good practicability. Therefore, resistance strain gauge load cells are widely used in scales.
Pressurized
A piezoresistive sensor is a device that measures the diffusion resistance of a semiconductor material substrate by using the piezoresistive effect of a semiconductor material. The substrate can be used directly as a measurement sensing element, on which the diffusion resistance is connected in the form of a bridge. When subjected to external forces, the substrate is deformed, the resistance values change, and the bridge produces a corresponding unbalanced output.
Piezoresistive sensors are mainly made of substrate (or diaphragm) materials such as silicon wafers, germanium wafers, etc., and piezoresistive sensors made of silicon wafers as sensitive materials have attracted more and more attention, especially solid piezoresistive sensors are the most widely used, which can measure pressure and velocity.
Laser.
Sensors made with laser technology. The system consists of a laser, a laser detector and a measurement circuit. This instrument is a new type of laser sensor, which has the advantage of realizing long-distance contactless, high-speed, high-precision, large-range, anti-light, electrical interference, etc.
In the work of Panasonic's laser sensor, a laser emitting diode is first used to emit a laser pulse at the target. The laser light is reflected by the target surface and scattered in all directions. A portion of the scattered light returns to the sensor receiver, where it is received by the optical system and then imaged on an avalanche photodiode. The SummerField2 transistor is an optical sensor with internal amplification, so it can detect very weak optical signals and convert them into corresponding electrical signals. The high directivity, high luminosity, and high brightness of the laser are used to achieve long-distance non-contact measurement.
Hore.
Hole sensor is a magnetic field sensor developed according to the principle of Hole effect, which has a wide range of applications in industrial automation technology, detection technology and information processing. The Hole effect is fundamental to the study of the properties of semiconductor materials. The Hall coefficient obtained by the Hall effect experiment can be used to identify important parameters such as conductivity type, carrier concentration and mobility of semiconductor materials.
Biology.
In the organic combination of active substances (enzymes, proteins, DNA, antibodies, antigens, biofilms, etc.) and physical and chemical sensors, biosensors are an interdisciplinary discipline, advanced detection methods and monitoring methods necessary for the development of biotechnology, and also a method for rapid and trace determination of the molecular level of substances.
There are many kinds of Panasonic sensors, and users can choose the right sensor according to their needs.
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