Crank position sensor is usually installed in the distributor, the control system is the most important one of the sensors. Its role is: detecting the engine speed, so-called rotation speed sensor; detects the piston top dead center position, it is also known as the only point sensor, including the detection of each cylinder for controlling the ignition TDC signal for controlling sequential spray oil first cylinder TDC signal
2013年10月24日星期四
How to choose the flow sensor
Flow sensor how to choose ? Information technology is a major force in the computer, communications technology, then there is a sensor , the sensor market promising, with advances in technology , increased levels of automation , our special attention to development of sensors . Test procedures and standards are flow sensor flow meter can accurately measure of protection. In many areas of the economy , the flow of accurate measurements have become very important , for example: environmental monitoring , health care , security , and trade settlement and so on. Why do you want to develop a Engine Temperature Sensor ? Now , product type flow sensor has been increasing, and almost every year there will be a number of new sensors for your choice . These sensors have their own economic and technical characteristics. Therefore, consumers should be generous to accept their presence , so you can successfully promote the great advances in technology . However, the new sensors are not necessarily mature technology , a lot of new products out of the technology was not mature enough , but not to promote technological progress, so that either improve them or let them social outcasts . Some flow sensor is not sufficient in many occasion in experiments conducted in the laboratory, but only some of the experiments on the market . In fact, these sensors , there are still many unknown factors, but does not have the national conditions of some of the technical regulations . Therefore, Positioning Sensor should be prohibited extensive promotion and application , otherwise , it brings the community is definitely a bad influence. According to the nature of the flow sensor standard classification , can be divided into the following categories . Method Standard : Engine Water Temperature Sensorcalculation method, detection methods , test methods and performance assessment methods, etc. ; basic standards : Some basic parameters of the sensor specifications , models, naming, and in the measurement process jargon ; product standard : it provides sensor technology requirements, acceptance of rules , test methods and product categories , in addition , there are proper installation and use requirements, etc. There are some standard that only the correct installation and use of technology, which is the product of the nature of the standard product applications .
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