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Instrument and meter
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
Chemical Oxygen Demand COD/Acidity pH Multi parameter Tester
Customized DPD NO.3 instant reagent
Ammonia nitrogen (HR) portable waterproof photometer
Successful operation!