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Instrument and meter
Chemical Oxygen Demand COD/Acidity pH Multi parameter Tester
Customized DPD NO.3 instant reagent
Ammonia nitrogen (HR) portable waterproof photometer
Portable waterproof photometer for residual chlorine (free chlorine)
ET147000 residual chlorine, combined chlorine total chlorine concentration colorimetric analyzer
ET512350 customized copper/zinc chloride interference elimination reagent
Customized DPD NO.1 instant reagent
Successful operation!
