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During the 2008 Beijing Olympics, as crowds wildly screamed and applauded, the “Water Cube” became the swimming venue where the most Olympic and World swimming records were broke. Behind this amazing accomplishment was the enormous effort and pursuit of perfection by many, many people. In 2005, the International Swimming Committee ruled that the turbidity in competition swimming pools must be 0.1 NTU. NTU, or Nephelometric Turbidity Unit, is the measurement unit representing the turbidity of the water, and is an important indicator of water quality. In a natural environment, the turbidity in most lakes and rivers are a few hundred NTU. The International Swimming Committee´s strict demand was too difficult to achieve and was opposed by many countries. However, the Water Cube did it. The turbidity of the water inside the Water Cube was only 0.1 NTU, matching the water quality for drinking water. From the Water Cube to the Bird Nest to the perimeters of the Olympic Park, the set up of the water quality testing system network structure for the entire Olympic Village had to cover 680 hectares. Water quality monitoring and maintenance relied entirely on the computers in the Control Center and the communication with the network nodes. The quality of the drinking water for the Olympic athletes was also of the highest standards; therefore, a “precise” monitoring system is this case was of great importance. Through the SUNIX IDS serial device´s connection to the RS-232 interface and water quality monitoring equipment, the Control Center located 5 km away from the line layout could remotely monitor and test water quality via the network. In addition, through the exclusive SUNIX Topology software, the water testing results from all of the network nodes could be immediately and clearly shown, thereby completely fulfilling the extremely high water quality demands of the Beijing Olympic Preparation Committee and allowing the SUNIX IDS to put together a perfect performance in the 2008 Beijing Olympics.
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