The characteristic advantages of the self-reporting rain gauge are reflected in the following aspects: 1. Due to the small size of the self-reporting rain gauge and the complimentary arrangement of accessories, it is easy to place it at the research site. 3. Field applications can be used alone or in small weather station systems 4. The rain recorder is relatively small power consumption, using built-in battery power supply, built-in high-energy lithium battery power supply, battery life can be played for more than two years. With power data automatic storage and preservation. 5. The rainfall recorder can take off the computer to automatically record data. When it is necessary to view the current environment data, the data in the recorder can be read by the host computer software through the communication interface. 6. The upper computer software interface is intuitive, easy to learn, easy to grasp, and simple to operate. 7. The powerful function of the rain recorder software, recording interval can be set arbitrarily from 2 seconds to 24 hours according to their needs. 8. It is convenient to check the data, and the data in the recorder can be exported to a computer at any time, and can be stored as an EXCEL table file to generate a data curve for further analysis by other analysis software. Because of the many advantages of the self-reporting rain gauge, it has been widely used in hydrological stations, reservoirs, dams, meteorological and ecological environment monitoring systems, environmental protection, agriculture, forestry, coal mines, ships and other industries.
Flanges are a method of connecting pipes, valves, pumps, and other equipment to form a piping system, usually by welding or threading. It is also easy to clean, inspect or modify. Flanges are usually welded or tightened. Flange joints are made by bolting two flanges together and using washers between them to provide a seal.
Pipe assemblies may be bolted together between flanges. Flanges are used to connect pipes to each other, to valves, to fittings, and to special items such as filters and pressure vessels. Cover plates can be connected to create "blind flanges". Flanges are bolted together, and sealing is usually done using washers or other methods. Industries dealing with flammable, volatile, toxic or corrosive substances require special protection at flange joints. Flange shields can provide an additional level of protection to ensure safety.
There are many different flange standards worldwide. For simple functionality and interchangeability, these designs have standardized dimensions. Common world standards include ASA/ASME (USA), PN/DIN (Europe), BS10 (UK/Australia) and JIS/KS (Japan/Korea).
In most cases, standards are interchangeable, as most local standards have been aligned with ISO standards.
Flanges are also made in standardized sizes, usually in "flat", "convex", "mortise" or "ring joint" styles, but other ambiguous styles may be available.
Flange designs include "weld neck", "socket", "lap", "socket weld", "thread" and "blind flange".
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2. The recorded rainfall data cannot be modified, and it can provide the most original rainfall data in hydrological stations, environmental protection, agriculture, forestry and other departments.
Self-reporting rain gauge's characteristic advantages