firstly, the tools are not used properly, and the resistance value needs to be measured by a professional resistivity meter. The ultimate conductivity of ultra-pure water is .55, so your measured data is wrong. Secondly, the ultra-pure water needs to be tested online, and the measured results may not be accurate in a closed space. Nanjing Quankun specializes in producing reverse osmosis equipment
Reference: Nanjing Quankun Biotechnology Co., Ltd.
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