Features: 1. Direct reading of concentration, according to the national standard "HJ/399-2007 Water Quality Chemical Oxygen Demand Rapid Digestion Spectrophotometry" intelligent expansion, the system can be upgraded for ammonia nitrogen, total phosphorus, turbidity and other items 2. Printing and data storage functions: quickly print current and stored historical data to complete the test density, time and other data in real time 3. Full-wavelength spectrum scanning in the visible band, full-spectrum scanning at full wavelengths, to meet the qualitative analysis of substances, support self-built working curves, and realize quantitative analysis of substances 4. Data analysis platform, data analysis platform can achieve more precise and flexible test requirements such as spectrum scanning and fixed wavelength measurement. technical parameter: COD measuring instrument range: 0~10000mg/L Accuracy: COD>50mg/L, ≤± 3% Accuracy: COD<50mg/L, ≤±5% Repeatability: ≤±3% Wavelength range: 340~1000nm Spectral broadband: 2nm Wavelength accuracy: ±1nm Wavelength repeatability: 0.2nm Transmittance accuracy: ±0.5%T Repeatability of transmittance: 0.2%T Stability: 0.001A/h Stray light: ≤0.05%T Instrument size: 480*340*210mm Instrument weight: 11kg Working voltage: 220V±22V; 50Hz±1Hz Working environment: Temperature: 5~35℃ Humidity: ≤85%
Features: 1. Direct reading of concentration, according to the national standard "HJ/399-2007 Water Quality Chemical Oxygen Demand Rapid Digestion Spectrophotometry" intelligent expansion, the system can be upgraded for ammonia nitrogen, total phosphorus, turbidity and other items 2. Printing and data storage functions: quickly print current and stored historical data to complete the test density, time and other data in real time 3. Full-wavelength spectrum scanning in the visible band, full-spectrum scanning at full wavelengths, to meet the qualitative analysis of substances, support self-built working curves, and realize quantitative analysis of substances 4. Data analysis platform, data analysis platform can achieve more precise and flexible test requirements such as spectrum scanning and fixed wavelength measurement.