TAILIEUCHUNG - A Practical Guide to Particle Counting for Drinking Water Treatment - Chapter 15

Sự phát triển của hạt kể trong ngành công nghiệp xử lý nước uống đã mang lại nhiều thay đổi trong công nghệ này trong vài năm qua. Các quầy hạt đầu tiên được bán cho các nhà máy nước đã được sửa đổi các đơn vị phòng thí nghiệm, mà làm việc chấp nhận được nhưng không phù hợp với yêu cầu cụ thể của ứng dụng. Khi chảy ban đầu quan tâm tăng lên thành lũ lụt, chú ý nhiều hơn, hướng vào việc phát triển thiết bị phù hợp. Hiện nay, có năm nhà sản xuất cung. | PART III Assessing the Equipment The growth of particle counting in the drinking water treatment industry has brought about many changes in the technology in the past few years. The first particle counters sold to water plants were modified laboratory units which worked acceptably but were not tailored to the specific requirements of the application. As the initial trickle of interest swelled into a flood more attention was directed toward developing suitable equipment. At present there are five manufacturers offering standard light-blocking particle counters and systems to the drinking water industry. This part of the book takes a comparative look at the main equipment offerings of four of them. The fifth ATI offers only a single-channel particle alarm. The intent is not to present a good better best rating system but to present the relevant information in a readily accessible format to allow the reader to make assessments for each given application with the information from the first two parts of this book as a guide. Any subjective observations about the utility of certain features or assessments regarding ease of use should be taken as opinions of the author. Specifications are taken from the manufacturers published literature and no endorsement of their accuracy is implied. We heartily recommend that information be obtained from the manufacturers before any purchasing decisions are made both for the reason that the information presented here will be out-of-date sooner or later and because some of the specific features of a given product may have a rationale not covered by the material presented here. This book is not intended to provide an easy way out of the complicated task of specifying or buying a particle counting system. It is merely intended to leave the reader without excuse for an ill-informed decision. Actual performance testing is beyond the scope of this book. Studies in that area are being performed and some of them will be referenced in Appendix

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