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COD Analyzer and Control System
COD Analyzer and Control System

COD water quality online analyzer

    The COD water quality online automatic monitoring instrument adopts the dichromate photometric analysis method, which complies with the national standard HJ/T399-2007 "Determination of Chemical Oxygen Demand in Water Quality - Rapid Digestion spectrophotometric method" and belongs to the national Class A method for COD monitoring, ensuring the accuracy and effectiveness of monitoring data.


Product introduction of COD water convenience online analyzer

The COD water quality online automatic monitoring instrument adopts the dichromate photometric analysis method, which complies with the national standard HJ/T399-2007 "Determination of Chemical Oxygen Demand in Water Quality - Rapid Digestion spectrophotometric method" and belongs to the national Class A method for COD monitoring, ensuring the accuracy and effectiveness of monitoring data. COD online automatic measurement suitable for factories and mining enterprises, urban sewage and sewage treatment facilities, designed for low concentration and high-precision organic pollution monitoring, especially suitable for COD online monitoring of factories and mining enterprises with discharge concentration<60mg/L, urban sewage treatment inlet and outlet.

Product parameter of online analyzer

Measuring range (0~250) mg/L, (30~500) mg/L, (120~2000) mg/L
Zero drift ±5 mg/L
Range drift ±5%F.S.
Indication error ±10.0%
The lower limit of quantification 15mg/L
Repeatability ≤5.0%
Measurement period ≤60min
Insulation resistance 20MΩ or more
MTBF ≥720h/time
Interface RS232 or RS485, 4-20mA analog output
Size 520mm×440mm×1450mm (L×W×H)
Weight 55Kg
Type of display screen Touch screen
Host PLC
Operat ing temperature (5~40) ℃
Working humidity (20~85) %RH
Power supply voltage AC (220±25) V
Power frequency (50±0.5) Hz
Rated power 100W