COD range 0mg ~ 1500mg/L
Accuracy Basic Accuracy ≤150.0 mg/L: ±8% reading ±1mg/L
≥150.0 mg/L: ±8% reading
Repeatability 3% reading
Stability ±2% reading / 15min
Measuring Principle Dichromate colorimetric method
Digestion Method Sealing reflux method (could dispelling 21 samples simultaneously)
Digestion Temperature Room-temperature~165°C
Digestion Time 0 ~ 120min
Calibration Two-point calibration (zero and full scale calibration)
Data Storage 200 data with time-and-date stamp