Characteristicsl 3LCD l Automatictemperaturecompensationl Immediateresponsel Easytocarryl D.C.powersupply:onepieceof9Vbattery Specifications:1. Measurementrange:Dissolvedoxygen:0-20mg/L Temperature:0-40 C2. Accuracy:Dissolvedoxygen: 0.3mg/L(underthebasictemperature) 0.5ml/L(differ: 10 Cfromthebasictemperature)Temperature: 1 C3. Responsetime:30s(90%responseon20 C).4. Therangeoftemperaturecompensation:0-40 C.