Brand: Erun
Laboratory bench-top multi-parameter water quality analysis tester
number: ERUN-ST7
Parameters: COD, ammonia nitrogen, total phosphorus, total nitrogen, hardness, etc.
Brand: Erun 
 Laboratory bench-top multi-parameter water quality analysis 
number:ERUN-ST6
Parameters: suspended solids, ammonia nitrogen, total hardness, etc.
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-ST7-11
Parameters: turbidity, total hardness,ph,ect.
Brand: Erun
Laboratory benchtop colorimetric water quality tester
Model:ERUN-ST7-B5
Chromaticity (platinum-cobalt method)
Brand: Erun environmental protection
Laboratory bench-top boiler water phosphate tester
Model:ERUN-ST7-E3
Parameters:phosphate ions
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)
Brand: Erun
Name: Benchtop Water COD Analyser
Model: ERUN-ST3-J5
COD (sealed catalytic digestion)
Brand: Erun environmental protection
Name: laboratory bench top boiler water quality oil detector
Model number: ERUN-ST-OD380
Parameters: Oil(Infrared spectrometry)
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