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  • Geschiedenis

COD analyzer
Liquiline System CA80COD

Liquiline System CA80COD - COD analyzer for environmental monitoring ©Endress+Hauser
Inside view of the COD analyzer ©Endress+Hauser

The chemical oxygen demand (COD) of a liquid can be determined using chemical and thermal digestion and the colorimetric measuring principle. This video shows how this measuring principle works.

Analyzer for chemical oxygen demand in environmental monitoring, industrial and municipal wastewater

Liquiline System CA80COD offers constant online measurement of the chemical oxygen demand (COD). It supports you in monitoring the cleaning capacity of wastewater treatment plants and enables load-based billing for industrial dischargers. Automatic calibration and cleaning save operating costs while advanced diagnostics with remote access help to provide process documentation to authorities. The COD analyzer's software-controlled safety functions ensure the highest level of occupational safety.

Snelle selectie

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Individuele configuratie

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  • Voordelen

    • Established COD dichromate method directly comparable to laboratory results.

    • Meeting industry needs: The analyzer is perfectly suited for environmental monitoring, industrial and municipal wastewater.

    • Fast and easy process integration: Direct...

  • Toepassingsgebied

    The Liquiline System COD analyzer monitors:

    • Inlet and outlet of wastewater treatment plants for documentation purposes and calculation of the cleaning capacity

    • Discharges of industrial wastewater treatment plants to determine discharge fees and to...

Kenmerken en specificaties



  • Meetprincipe


  • Characteristic

    Analyzer for chemical oxygen demand (COD)

  • Size

    793 x 530 x 417 mm
    31.22 x 20.87 x 16.42 inch
    Stand housing:
    1693 x 530 x 417 mm
    66.65 x 20.87 x 16.42 inch

  • Design

    Open design, cabinet and stand housing
    High-Performance plastic ASA-PC, additional stand coated steel

  • Process temperature

    4 to 40 °C (39 to 104 °F)

  • Ambient temperature

    5 to 40 °C (41 to 104 °F)

    Outdoor version: - 20 to 40 °C (-4 to 104 °F)

  • Process pressure


  • Sample flow rate

    > 100 ml/min

  • Consistency of the sample

    Aqueous homogeneous sample

  • Specials

    Easy upgrade to measuring station with up to four digital Memosens sensors
    Automatic calibration and cleaning
    User-configurable measuring, cleaning and calibration intervals
    Self-priming analyzer with optical dosing unit l
    Dilution module (optional)
    Digital communication for remote access

  • Application

    Environmental monitoring, limit value monitoring of industrial and municipal waste water

  • Power supply

    100 to 120 VAC / 200 to 240 VAC ± 10%
    50 ± 1 oder 60 ± 1,2 Hz

  • Output

    2x 0/4 to 20 mA
    Modbus RS485/TCP (optional)
    Webserver (optional)

  • Input

    1 measuring channel
    1 to 4 digital sensor inputs for sensors with Memosens protocol (optional)

  • Measurement range

    10 to 5000 mg/l O2 COD
    40 to 20000 mg/l O2 COD

  • Consumables

    Reagents and standard solutions CY80COD are necessary for the operation

Documenten / handleidingen / software

Accessoires / Spare parts

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