Digital Dissolved Oxygen

Model : GSGG-5089 Range : 0 – 20 μg/L, 0 – 2000 μg/L Accuracy : ±1% FS Response time : 12 minutes (initial) Sampling period : 10 minutes/channel Sample requirement : • Flow : minimum 100 ml/min • Temperature : 10 – 45 0C • Max Pressure : 0.6 Mpa Calibration cycle :1 to 99 days (adjustable) Environmental : 5 – 45 0C (Temp); ≤ 85% RH (humidity) Output : 4-20 mA (multi channel) Power Supply : 220 VAC Size (HxWxD) : (720x460x300) mm

Principle : Spectrophotometry Range : • Cu: 0-3.00, 0.10-10.00mg/L ; Ammonia/Nitrogen: 50-150mg/L • Fe:0.00-5.00mg/L ; TotalAmmonia:5-500mg/L • Zn:0.00-3.00mg/L ; Nitrate/Nitrogen:5-500mg/L • Ge:0.00-3.00mg/L ; Fluoride:0~5 mg/L • Mn:0.00-5.00mg/L ; Total Arsenic:0~5 mg/L • Pb:0.00-3.00mg/L ; Ni:0.00-2.00mg/L 0.10-10.00mg/L Accuracy : • ≥0.2mg/L, no more than ±10%; • <0.2 mg / L, no more than±0.02 mg / L. Calibration cycle : 1 to 99 days (adjustable) Maintenance cycle : monthly, each about 30 min Environmental : 5 – 28 0C (Temp); ≤ 90% (humidity) Communication : RS 232, RS 485, 4-20 mA Power Supply : 220 VAC Size (HxWxD) : (1500x550x450) mm