COD Analyzer

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  • LCD screen.
  • Dichromate colorimetric method, LED light source, long service life.
  • Two-point calibration (zero and full scale calibration).
  • Measurements can be displayed directly, needless to count.
  • Support to connect with PC through USB interface.
  • Date can be consulted, deleted and printed.

Technical Parameters

Model  COD-571
Measuring Principle  Dichromate colorimetric method


COD 0.0~1500mg/L
Electrolysis  Currentdivide


Basic Accuracy :±8%


Stability COD data changing less than 6 mg/L within 20 min
Calibration Two point calibration (zero and full scale calibration)
Data storage 200 data with time-and-date stamp
Digester Digestion Method Sealing reflux method (could dispelling 21 samples simultaneously)
Digestion Temperature 100~165 ºC


Digestion Time 0~120 min
Power Supply AC110/220V±10%, 50/60Hz
Standard Accessory COD-571-1 Digester



Packing Size(mm)


COD-571: 370*305*330

Digester: 575*435*285


Gross Weight 5 kg, 10kg