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The products of instrument manufacturers have passed certain certifications or meet specific standards, and relevant markings are usually attached to the certified instruments. This post compiles common standards or certification marks related to instruments and meters for everyone’s reference. http://yunrun.com.cn/upload/201806/10/201806101956318931.png3A 3A Sanitation Standards Institute (3A SSI) is an independent non-profit organization that provides design services for equipment that meets sanitation standards in the food, beverage, and pharmaceutical industries. yunrun.com.cn/news/2025.html http://yunrun.com.cn/upload/201806/10/201806101955219971.png AS-i actuator-sensor interface, used for the bus system at the two lower-level field levels. http://yunrun.com.cn/upload/201806/10/201806101958516118.png ATEX: ATEX (Atmosphere Explosive) is an explosion protection certification under the EU directives 94/9/EC and 1999/92/EC, which establish rules for ensuring safety in areas prone to explosions. http://yunrun.com.cn/upload/201806/10/201806102000265150.png CCC CCC (China Compulsory Product Certification) is a mandatory licensing certificate established for certain products intended for the Chinese market. The relevant product categories involved are included in the catalog provided by the Chinese authorities. http://yunrun.com.cn/upload/201806/10/201806102002041762.png The products that have obtained this certification meet the safety standards of CSA (Canadian Standards Association). http://yunrun.com.cn/upload/201806/10/201806102003300171.png CE certification (European Conformity Assessment); the presence of the CE mark on a product indicates that it meets the requirements of the EU’s new Methodological Directives. The basic requirements in the directives refer to public safety, health, environmental protection, and consumer protection. http://yunrun.com.cn/upload/201806/10/201806102005176535.png The products that have obtained this certification meet the safety standards of UL (Underwriters Laboratories). http://yunrun.com.cn/upload/201806/10/201806102006387108.png CSA The CSA, or Canadian Standards Association, is a non-governmental organization in Canada dedicated to establishing industrial standards and certifying the safety performance of products. To date, CSA has provided certification services to manufacturers around the world. http://yunrun.com.cn/upload/201806/11/201806111440151762.png DIBt(WHG): German Institute for Building Technology (Federal Water Management Act). The Federal Water Management Act (WHG) is an important part of Germany’s water management legislation. It regulates the protection and utilization of surface water and groundwater, as well as the laws concerning water area expansion, planning, and flood control. http://yunrun.com.cn/upload/201806/11/201806111443216946.png Products that have obtained this certification meet the safety standards of UL (Underwriters Laboratories). http://yunrun.com.cn/upload/201806/10/201806102013056270.png DKD, the German Calibration Institute, is a calibration laboratory organization established through the collaboration of industrial enterprises, research institutions, technical departments, and testing and monitoring institutes. The DKD calibration certificate is a German standard certification issued in accordance with the DIN EN ISO 9000 and DIN EN ISO/IEC 17025 standards; it provides the technical guidelines for measurement control and testing equipment in quality management. http://yunrun.com.cn/upload/201806/10/201806102015054893.png E1: License issued by the German Federal Motor Transport Authority; this product has passed the E1 certification issued by this authority and meets the vehicle standards. No operation license is required; it allows direct installation on the vehicle. http://yunrun.com.cn/upload/201806/10/201806102017120139.png EHEDG – the European Hygienic Engineering Design Group – is the authority responsible for overseeing food and pharmaceutical products. Products with an EHEDG certification are suitable for the food and pharmaceutical industries. http://yunrun.com.cn/upload/201806/10/201806102018373486.pngFDA FDA (Food and Drug Administration) is the U.S. agency responsible for overseeing food and drugs. This committee certifies products and raw materials in the food and pharmaceutical industries. http://yunrun.com.cn/upload/201806/10/201806102020353891.png FM Factory Multual Research is a unique insurance company based in the United States, focusing on risk management grounded in loss prevention engineering techniques. They provide material research, material testing, and certification for fire and explosion protection areas. http://yunrun.com.cn/upload/201806/10/201806102023194926.png PROFIBUS is a process field bus; field bus systems are used for handling large volumes of data, and it comes in different versions such as Profibus FMS, DP, or PA. Profibus DP is suitable for longer distances, such as those used in AS-i fieldbuses. http://yunrun.com.cn/upload/201806/10/201806102025215707.png TÜV, the German Technical Inspection Association, is a private organization that carries out technical safety inspections and controls in strict accordance with **legal regulations. http://yunrun.com.cn/upload/201806/10/201806102027216469.png UL is an American organization used for testing and certifying products as well as their safety performance.