Brand: Erun environmental protection
Name: Portable water quality dissolved oxygen(DO) tester
Model Number:ERUN-90-D2
Parameters: dissolved oxygen DO (oxygen electrode method)

Brand: Erun environmental protection
Name:Laboratory bench top water quality conductivity TDS total dissolved solids tester
Model Number:ERUN-97-T5
Parameters: conductivity TDS total dissolved solids (electrode methods)

Brand: Erun environmental protection
Name: Water quality phenolphthalein alkali determination reagent utensils
Model Number:ERUN-PA40
Parameters: phenolphthalein alkalinity (Acid-base titration)

Brand: Erun environmental protection
Name: Portable water quality chemical oxygen demand COD analyzer
Model number：ERUN-97-C2
Erun environmental protection research and development, production of Portable water quality chemical oxygen demand COD analyzer, using manganese method to determine the COD in water, also known as CODMn or permanganate index, widely used in environmental monitoring, sewage treatment, universities, scientific research institutions and other departments.

Brand: Erun environmental protection
Name: Laboratory bench-top water quality chemical oxygen demand COD analyzer
Model number：ERUN-97-C1
Parameters:Chemical oxygen demand COD (closed digestion colorimetric method)

Brand: Erun environmental protection
Name: Laboratory bench-top total phosphorus water quality analyzer
Model number：ERUN-97-P1
Parameters:Total P TP (ammonium molybdate)

Brand: Erun environmental protection
Name: Portable total phosphorus water quality analyzer
Model number：ERUN-90-P1
Parameters:Total P TP (ammonium molybdate)

Brand: Erun environmental protection
Name: Laboratory bench-top ammonia-nitrogen water quality analyzer
Model number：ERUN-97-A1
Parameters:Ammonia nitrogen NH3-N (Nazionale reagent method)

Brand: Erun environmental protection
Name: Laboratory bench-top total nitrogen (TN) water quality analyzer
Model number：ERUN-ST-TN711A
Parameters:Total Nitrogen TN(The ultraviolet method)

Brand: Erun environmental protection
Name: Laboratory bench-top total nitrogen (TN) water quality analyzer
Model number：ERUN-ST-TN711B
Parameters:Total Nitrogen TN(Achromatic acid spectrophotometry)

Brand: Erun environmental protection
Name: Laboratory bench-top residual chlorine and total chlorine water quality analyzer
Model number：ERUN-ST-CL720
Parameters:esidual chlorine、total chlorine(Colourimetry)

Brand: Erun environmental protection
Name: Laboratory bench-top residual chlorine and total chlorine water quality analyzer
Model number：ERUN-ST-CL720
Parameters: residual chlorine、total chlorine(Colourimetry)