• 

  Dissolved ozone meter online monitoring DOZ-7600
• 

  Handheld Free Chlorine tester NPT-CLOZ801
• 

  Handheld Residual Chlorine Analyzer CLN-170 water free chlorine meter in pool 
• 

  Industrial online salinity Controller YD-5100 Online salinity meter
• 

  Ion concentration test in drinking water PCL-1080G Online hardness monitor
• 

  Multiparameter water quality Analyzer NBDT-1800
• 

  Multiparameter water quality analyzer NBDT-1800 Drinking water online detection
• 

  Online Dissolved Oxygen Analyzer DO-6800
• 

  Online electrical conductivity meter EC/TDS meter CD-5000
• 

  Online residual chlorine controller CL-8000 swimming pool residual chlorine tester
• 

  Online Water Hardness Meter and ion concentration in drinking water
• 

  Online water Suspended Solids instrument ZS-680N

1 2