NADE DGB-403F Portable Residual Chlorine & Chlorine Dioxide Analyzer

Features:   1. LED light, Long lifetime; High precision 2. Use high performance low power consumption single-chip technology, friendly man-machine interface 3. To support one-point and multi-point calibration, user can edit the calibration curve 4. Each measurement item can store 200 sets of results, GLP norms 5. To support USB communication, data collection by connecting with PC 6. To support battery and USB power supply; support power management function 7. IP65, good Waterproof and Dustproof 8. To support firmware update function and restore factory defaults function Specification:   Model DGB-403F Light Source LED, 515nm Measuring range Residual Chlorine/Total Chlorine: 0.00~5.00 mg/L Chlorine Dioxide: 0.00~10.00 mg/L Resolution Concentration: 0.001mg/L Absorbancy: 0.001ABS Display Error Residual Chlorine/Total Chlorine≤1mg/L:±0.05mg/L; >1mg/L:±5% Chlorine Dioxide≤2mg/L:±0.10mg/L; >2mg/L:±5% Detection Limit Residual Chlorine/Total Chlorine: ≤0.02mg/L Chlorine Dioxide: ≤0.04mg/L Power Supply Four alkaline battery(1.5V), USB Protection Level IP65 Size(mm); Weight:(kg) 230×86×47, about 0.4