Brand: Erun environmental protection
Name: Portable multi-parameter water quality tester
Model number: ERUN-SP7
Parameters: COD, ammonia nitrogen, total phosphorus, total nitrogen, residual chlorine, total chlorine, chlorine dioxide, turbidity, chromaticity, copper, etc.
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 
Name: Portable integrated multi-parameter water quality analyzer
Model number: ERUN-SP8-ASC
Parameters: Temperature, depth, PH, ORP, conductivity & salinity & TDS, turbidity, DO, chlorophyll,ect.
Brand: Erun
desktop multi-parameter water quality analyzer
Model number:ERUN-ST5
Parameters: copper, iron, nickel, hexavalent chromium, phosphate, nitrite.
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: Portable full alkalinity tester

Brand: Erun environmental protection
Name: Laboratory benchtop water quality alkalinity analyzer
Model Number:ERUN-97-A3
Parameters: alkalinity (spectrophotometry)
Brand: Erun environmental protection
Name: Portable water quality alkalinity tester
Model Number:ERUN-90-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: Portable water quality hardness tester
Model number: ERUN-90-H2
Parameter: hardness (spectrophotometry--Acid chromium blue K method)
Brand: Erun environmental protection
Name: Laboratory bench water turbidity tester
Model Number:ERUN-97-T4
Parameters: turbidity(NTU或FTU)(Scattering method)
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