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How to choose the suitable temperature transmitter?
2014-12-17
Temperature transmitter is widely used in industry, agriculture, petrochemical and other automation control fields, and the production technology is quite mature. Compared to the temperature sensor, the temperature transmitter will be directly measured by the temperature sensor signal into a current or voltage signal standard, and then transferred to the two meters, the site of PC or PLC, is easy ...
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Fault analysis and treatment of temperature transmitter
2014-12-17
Fault analysis and treatment of temperature transmitterTemperature transmitter is widely used, because of the environment, the scene, and the matching instruments vary widely, engineers, technicians or maintenance personnel encountered a variety of problems in the process of using. Here, the author combines years of work experience, a brief analysis of several major causes of temperature transmitt...
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Temperature sensor fault analysis (next)
2014-12-17
The temperature sensor is simple and mature, and the temperature sensor has a long service life. Field engineers and technicians occasionally encounter faults when using a temperature sensor. At present, more temperature sensors are PT100, PT1000 type temperature sensors. PT100, PT1000 type temperature sensors belong to platinum resistance, platinum thermal resistance, thermal resistance type...
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Fault analysis of temperature sensor (Part one)
2014-12-17
Temperature sensor is a small part, but it plays an important role in monitoring system or control system. No matter how tall on if the temperature sensor fails, the system can only be shut down or shelved problems is tantamount to the hand eye ear nose skin sensory system, not perception of the outside world, and sound, and the importance of self-evident truth. Therefore, it is essential to guara...
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Basic knowledge: circuit classification
2014-12-17
According to the signal to be processed, the electronic circuit can be divided into analog circuit and digital circuit. Analog circuit· is produce periodic change by the nature of the continuity of the natural physical variables, converting continuous physical natural variables for a continuous electrical signal, and the circuit operation of continuous electrical signal is called anal...
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Basic knowledge: switching volume and analog quantity
2014-12-17
Switch only two opposite working condition, such as high level and low level, power and power relay coils, contacts connected and disconnected, PLC can be directly input and output switching signals. Some PLC (such as SIEMENS S7 Series) the switch is called the digital quantity.Analog is a physical quantity, such as continuous variation of voltage, temperature, pressure and speed of PLC, direct an...
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Basic knowledge: PLC programmable controller
2014-12-17
In late 1970s, with the rapid development of microelectronics and computer technology, programmable logic controller has more computer function, not only replaced the hardwired logic with logic programming, but also increases the computation, data transmission and processing and other functions, to truly become an electronic computer industrial control device, and achieve miniaturization and minia...
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Temperature sensor for automobile
2014-12-17
Automotive temperature sensors - precision manufacturingBeijing Huaxia Risheng Technology Co. Ltd. for the automotive industry professional needs, all kinds of car temperature sensor, designed specifically for stable performance, long service life, good consistency. Automotive temperature sensor can be customized according to customer requirements, to provide you with one-stop automotive temp...
Beijing Huaxia Risheng Technology Co. Ltd. 京ICP備09009216
Telephone:010-88458650 Address:No. 1, Wei Jia village, Xiangshan South Road, Beijing, Haidian District
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