Brand: Erun environmental protection
Name: Laboratory bench-top multi-parameter water quality analysis tester
Model number: ERUN-ST7
Parameters: COD, ammonia nitrogen, total phosphorus, total nitrogen, hardness, chloride ion, turbidity, dissolved oxygen, conductivity, PH, etc.
Brand: Erun 
Name: Laboratory bench-top multi-parameter water quality analysis 
Model number:ERUN-ST6
Parameters: suspended solids, ammonia nitrogen, total hardness, residual chlorine, phosphate, nitrite, copper, iron, etc.
Brand: Erun
desktop multi-parameter water quality analyzer
Model number:ERUN-ST5
Parameters: copper, iron, nickel, hexavalent chromium, phosphate, nitrite.
Brand: Erun 
Laboratory desktop boiler water quality tester
Model number:ERUN-ST7-5
Parameters: PH, Conductivity, hydrazine, dissolved oxygen
Brand: Erun environmental protection
Name: Laboratory desktop thermal power plant steam boiler water quality tester
Model number: ERUN-ST7-7
Parameters: Sodium, conductivity, silica, iron, copper
Brand: Erun environmental protection
Name: Laboratory desktop thermal power plant steam boiler water quality tester
Model number: ERUN-ST series
Parameters: Sodium, conductivity, silica, iron, copper
Brand: Erun environmental protection
Name: Laboratory bench-top boiler water quality analyzer
Model number: ERUN-ST series
Parameters: turbidity, total hardness, total alkalinity, phenolphthalein, PH, conductivity, dissolved oxygen, oil, iron, copper, dissolved solid, phosphate, sulfite, chloride ion,ect.
Brand: Erun environmental protection
Name: Laboratory bench-top boiler water phosphate tester
Model number:ERUN-97-P2
Parameters:phosphate ions(Ammonium molybdate Spectrophotometer、)
Brand: Erun environmental protection
Name: Laboratory benchtop water quality alkalinity analyzer
Model Number:ERUN-97-A3
Parameters: alkalinity (spectrophotometry)
Brand: Erun environmental protection
Name: Laboratory benchtop water quality (total) hardness  analyzer
Model Number:ERUN-97-H2
Parameters: hardness (spectrophotometry--Acid chromium blue K method)
Brand: Erun environmental protection
Name: Laboratory benchtop water quality copper (Cu) metal element content analyzer
Model Number:ERUN-97-C6
Parameters: copper (Cu) (Copper reagent spectrophotometry)
Brand: Erun environmental protection
Name: Laboratory benchtop water quality iron (Fe) metal element content analyzer
Model Number:ERUN-97-I1
Parameters: iron (Fe) (Spectrophotometry)
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