German E+H flowmeter installation instructions

Germany e+h mass flowmeter
The German e+h mass flow meter is the collective name for mass flow meters produced by the German e+h company. Endress+hauser (Enders+Haus, referred to as e+h company) is a multinational corporation specializing in the production and sale of industrial automation instruments. , Its products cover a number of industrial measuring instruments and is one of the world leaders in automation. In the sensor integrated measuring system, the transmitter and the sensor form a mechanical unit. In the separate measuring system, the transmitter and the sensor are separately installed.
German e+h Company Profile
Endress+hauser (Enders+Haus, abbreviated as e+h company) is a multinational corporation specializing in the production and sale of industrial automation instruments. Its products cover the level, pressure, flow, analysis, temperature, system and tank area, Industrial measuring instruments such as recorders and communications are among the world's leaders in automation. Founded in 1953, e+h is headquartered in Switzerland, has more than 40 branches worldwide, and has more than 5,800 employees engaged in research, development, production, sales and maintenance. In Germany, Switzerland, France, the United States, Japan and other world industrial countries set up a large-scale production center, its strict quality management and complete quality assurance system has reached iso9001 international standards. Contacting the market is one of the important factors for the development of high-quality, high-reliability instrumentation. For more than 40 years, e+h has benefited from its close contact with the market and has continuously developed marketable products, and has become a full-range supplier.
The use of German e+h mass flowmeter
The German e+h mass flowmeter is used to measure the mass flow of liquids and gases, as well as the fluid density and temperature. The measured parameter values ​​can be used to calculate other variables, such as volume flow, various fluids with different characteristics can be measured, for example: [1] · chocolate, condensed milk, liquid sugar, oil, fat, acid, alkali, paint, Coatings, solvents, detergents, pharmaceuticals, catalysts, inhibitors, suspensions, gases, liquefied gas, etc.
German e+h Mass Flow Meter Installation
Please pay attention to the following points: • The mounting does not require special mounting brackets. The container's container structure can overcome the influence of external forces. For example, the second chamber structure and measuring tube have high vibration frequencies to ensure that the measurement is not affected by the vibration of the pipeline. • As long as no cavitation occurs, the measurement is not affected by valves, bends, and tees. • To protect the pipeline, it is recommended to use proper bracket support when the sensor is too heavy. Measurement errors occur when the tube is entrained with air bubbles. The following mounting positions should be avoided: • The flow meter installed at the highest point of the pipe will cause air accumulation. The flow meter will be installed directly at the outlet of the down vent pipe. System pressure should be ensured. Cavitation, because cavitation affects the vibration of the measuring tube. It is not necessary to take special measures when measuring fluids with similar water characteristics under normal conditions. The system should have a sufficiently high pressure when the liquid has a low boiling point (hydrocarbons, solvents, liquefied gases) or on suction piping. Make sure the pressure is not lower than the vapor pressure, ie the liquid does not boil. Make sure the liquid does not vaporize. Therefore, the best mounting position for the sensor is: • Downstream of the pump (to avoid vacuum) • Installation direction at the lowest point of the vertical pipe. Vertical mounting is recommended to allow the fluid to flow upward, allowing the entrained solid particles to sink and the gas to rise through the measuring tube. . The fluid in the measuring tube can be completely drained to avoid solid deposition. Horizontal Mounting The correct mounting is that the transmitter housing is vertically up or down so that no gas and solid impurities accumulate in the measuring tube (single tube system). Do not hang the sensor on the pipe. Use a bracket to fix it. In order to avoid excessive tension in the process connection. The sensor mounting plate is used for mounting on a flat panel, against a wall or upright post.
German e+h Mass Flow Meter Precautions
The installation, power connection, commissioning and maintenance of the instrument must be performed by authorized and trained personnel who must read and correctly understand the provisions of this operating manual prior to operation. The meter must be operated by authorized and trained personnel and strictly abide by the provisions of this operating manual. Endress+Hauser is happy to help users understand the chemical corrosion resistance characteristics of the media exposed to the instrument for special media, including the chemical corrosion resistance of the liquid used for cleaning. The user is responsible for selecting the material that meets the corrosion resistance requirements of the process. responsibility. • The installer must ensure that the measurement system is correctly wired according to the wiring diagram. If the power supply is not isolated, the transmitter must be grounded. • Observe all local regulations when opening and repairing electrical equipment. Please note the following points: • For instruments that are used in explosion hazardous situations, the operating manual must include a separate “ex file”. The instructions in this operating manual and the related documents must be strictly observed. The beginning of the ex file will indicate the relevant certification and the sign of the certificate (0europe, 2usa, 1canada). The measuring instrument complies with the safety operation requirements and complies with e n6 010, en 613 26/ A1 (emc required) and namur recommend the ne2 1/43 standard. • The manufacturer reserves the right to modify technical parameters without prior notice. e+h will provide you with new information and update the operating instructions.

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