How to identify the authenticity of Rosemount pressure transmitter?

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How to identify the authenticity of Rosemount pressure transmitter? 　　When it comes to Rosemount transmitters, everyone must be familiar with it. Since the 1980s, Rosemount and Xi'an Instrument Factory began to cooperate on the production line, marking Rosemount's official entry into my country. With the strong reputation of American Rosemount pressure transmitters in the Chinese market in recent years, some small domestic companies have begun to illegally steal the Rosemount brand. The products they sell are very similar to Rosemount pressure transmitters in terms of brand name, product model and product appearance. Most people can easily be deceived if they don't look carefully. In order to facilitate the majority of Rosemount users to identify pressure transmitter products simply and intuitively, and avoid unnecessary losses caused by purchasing counterfeit products, the technical editor of Xi'an Hongliyuanfan hereby provides you with some commonly used product identification methods, hoping to help our users and friends. 　　In fact, the simplest and most effective method is: 　　1. You can find the production serial number of the pressure transmitter on the nameplate of the pressure transmitter. We can use the Rosemount salesperson or the Rosemount factory quality department to help us check the production date and end user information of the product, so that we can compare the authenticity of the product. ； 　　2. We can also directly contact the Rosemount factory quality department and send the pressure transmitter samples to the department for identification. The identification results of this method are the most reliable, but it takes a long time. ； 　　3. Compare the pressure transmitter sample with the genuine Rosemount product, including the comparison of the whole machine and the comparison after disassembly. The specific methods and steps can be found below. In order to make the comparison easy to understand, the photos in this article adhere to the following principles: 　　The genuine Rosemount product is on the left side of the photo and the suspect product is on the right side. 　　The appearance difference of 3051 can be seen in photo 1: The genuine Rosemount product has a smooth and good surface treatment, while the suspect product has a rough and gray surface. 　　The structural differences of the 3051 are as shown in Photo 1. The flange of the genuine Rosemount product adopts a coplanar design, while the suspect product adopts a double flange design similar to the 1151 type. 　　The nameplate difference of 3051. Photo 2 shows the nameplate of the genuine Rosemount product, while photo 3 shows the nameplate of the suspect product. ； Nameplates bear the Rosemount trademark. 　　Differences in the meter heads of the suspected counterfeit product 3051 of the Rosemount pressure transmitter. The difference in the meter heads of the suspected counterfeit product Rosemount pressure transmitter can be seen from photo 4. 　　Differences in the head side of the terminal of 3051 After disassembling the head side of the terminal, the following differences can be found: 　　1) From the difference in color, it can be clearly seen that the inner sandblasting treatment is different. 　　2) The description labels are different. 　　3) The terminal blocks are different. 　　Differences on the line side of the 3051 transmitter. After disassembling the meter head, you can further see the differences on the line side of the transmitter, as shown in Photo 6. Recommended articles related to Rosemount pressure transmitter: 1. Eight selection factors that must be considered when selecting the Rosemount 3051 transmitter 2. The installation steps and installation requirements of the Rosemount 3051 transmitter 3. How to adjust and reset the Rosemount gauge pressure/differential pressure transmitter?