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 environmental protection
Name: Portable multi-parameter  water quality tester
Model number: ERUN-SP6-4
Parameters: COD, ammonia nitrogen, total phosphorus, total nitrogen.
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 phosphate analyzer

Brand: Erun environmental protection
Name: Portable water quality phosphate (phosphate ions) tester
Model number: ERUN-90-P2
Parameter: Phosphate (phosphate  ions)(Ammonium molybdate Spectrophotometer)
Brand: Erun environmental protection
Name: Portable water quality chloride ion (chloride) tester
Model Number:ERUN-90-C4
Parameters: Chloride ion (spectrophotometric method-thiocyanate color ratio method)
Brand: Erun environmental protection
Name: Laboratory bench top water chloride (chloride ion) tester
Model Number:ERUN-97-C4
Parameters: Chloride ion (spectrophotometric method-thiocyanate color ratio method)
Brand: Erun environmental protection
Name: Water quality sulfite determination reagent vessel
Model Number:ERUN-SF50
Parameters: sulfite (iodimetry)
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)
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