2019-09-22 Probest is a professional ISO9001 certificated manufacturer with many patents specializing in researching, developing, producing of water analysis instruments, including portable water analyzer, multi-parameter water quality analyzer, DO sensor, turbidity sensor, UVCOD sensor ect. The product can be
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Read More 2020-06-10 ISO certificated water sensors instruments testing machines company, R&D, and manufacturing water monitoring sensors.Will be audited every year! A trustworthy manufacturer!probest@probest.cnwww.probesti.com
Read More 2020-05-11 PUVNO3-900 Application of Nitrate Analyzer Background:Nitrate nitrogen in water is the most stable nitrogen compound in various forms of nitrogen-containing compounds such as nitrous nitrogen and ammonia nitrogen in an aerobic environment. It is also the final decomposition product of nitrogen-conta
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