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Instrument and meter
ET99711 Microcomputer COD Multi parameter Water Quality Tester
ET99711V microcomputer COD multi parameter rapid measuring instrument
ET99718V microcomputer chemical oxygen demand COD concentration analyzer
ET99109 microcomputer chemical oxygen demand COD concentration analyzer
ET99722V microcomputer COD multi parameter water quality analyzer
ET99718 Microcomputer Chemical Oxygen Demand COD Concentration Tester
Microcomputer customized specialized heating and digestion 25 well processor
Successful operation!