PT100 temperature sensor technology into the food

Behind sensor industry development in our country, the domestic demand for sensors, especially high-end demand are heavily dependent on imports, domestic gap is huge, imports accounted for more than 80 current sensor, the sensor chip imports accounted for more than 90 domestic demand urgently.

the arrival of the new technology revolution, the world begin to enter the information age. In the process of the use of information, the first thing to solve is to obtain accurate and reliable information, the sensor is access to natural and production information in the field of the main ways and means. In the process of modern industrial production, especially in automatic production, want to use a variety of sensors to monitor and control the various parameters in the process of production, make the equipment working in normal state or the best state, and achieve the best quality products.

PT100 temperature sensor technology into the field of food

it is understood that the current integrated circuit tester has the foreign food processing plants in a range of applications, this technology can detect the food bad time. Food quality testing configuration is mainly composed of scanners and sensors, as long as the aim the scanner food testing of emit radio waves signal, can let food produces vibration, and wave form music, transfer to the sensor.

by comparing the parameters of the standard database, can be detected in a short period of time the food bad dates, and the test results are accurate. The detection technology of food packaging machinery is no longer confined to the application in the production line, with the importance of food testing in China and gradually improve, detection technology will further expand the application field.

motion control system is the key of the development of food packaging machinery in our country, and the technology is increasingly mature. Motion control technology in the food packaging machinery mainly realize the precise control of the location, and strict requirements of synchronous speed, applied to food conveying, loading and unloading, palletizing, destacking, marking and other programs. Through the application of the motion control technology, which can effectively divided into high, medium and low-grade packing machinery, the upgrading of China's food packaging machinery play a crucial role. Food packaging mechanical assembly line is continuous, so the speed, precision and dynamic indicators put forward higher requirements, such as torque, it is just in line with the characteristics of the product.

in machine vision products, color machine vision products have application in food detection, mainly through the color of food to determine their level of maturity and quality. In addition, the application of wireless sensor network has spread rapidly and foreign large-scale food processing factory has applied the technology to collect food information, ensuring the food safety system. Through the function of wireless sensor network, consumers can better understand the food processing factory production, the whole process of storage and transport food, make food processing more intuitive and transparent, can effectively convince consumers of food safety problems. At the same time, in the case of a problem, wireless sensor technology is also convenient regulators find problems in time, and be documented from the source to curb food safety problems.

as a result, puts forward the main line of motion controller in current automation technology in the food packaging industry development prospects are very broad. In high-speed bus communication way, and can realize high speed tracking, conversion, multiple position control mode, exchange, communication more data information, and other functions. In addition, food packaging machinery in our country is facing a shift from labor-intensive to knowledge-intensive process, each enterprise managers also should improve the recognition of motion control technology, in order to reduce the production cost, improve the quality of food packaging.

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key words: thermal resistance, thermocouple, thermal resistance, platinum resistance, PT100, PT1000, pressure sensor and digital temperature sensor