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Water hardness analyzer
Liquiline System CA80HA

Liquiline System CA80HA - Water hardness analyzer for drinking water, process water ©Endress+Hauser
Liquiline System CA80HA water hardness analyzer with cooling for extended reagent lifetime ©Endress+Hauser

Colorimetric system for online monitoring of drinking water and process water

Liquiline System CA80HA offers precise online analysis of water hardness in drinking water and process water. It helps you optimize the control of water softening processes such as ion exchange or reverse osmosis and ensures optimal quality of products that are influenced by water hardness. The analyzer's automatic calibration and cleaning and its low reagent consumption reduce operating costs while advanced diagnostics with remote access ensure consistent process safety.

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  • Process Connection
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  • Lợi ích

    • The water hardness analyzer uses the phthalein purple method, ensuring direct comparability to lab results

    • Fast commissioning with plug & play thanks to Memosens technology and user-friendly operation

    • Reduces operating costs thanks to automatic...

  • Phạm vi ứng dụng

    Liquiline System CA80HA supports you in monitoring total water hardness:

    • To optimize reverse osmosis and ion exchanger systems

    • To classify water hardness in drinking water

    • To ensure process water quality in production plants

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  • Measuring principle


  • Characteristic

    Process analyzer for hardness in aqueous solutions

    Comply with standard colorimetric measuring principle - phthalein purple method

  • Size

    Open version:
    793 x 530 x 417 mm (31.22 x 20.87 x 16.42 in)
    Closed version:
    793 x 530 x 463 mm (31.22 x 20.87 x 18.23 in)

  • 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)

  • Process pressure


  • Sample flow rate

    Min. 5 ml/min (0.17 fl.oz/min)

  • Consistency of the sample

    Low solid content (< 50NTU), aqueous homogeneous

  • Application

    Total hardness monitoring in reverse osmosis systems inlets, after ion exchange systems

    Monitoring of water preparation in processes and drinking water

  • Power supply

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

  • Output

    2x 0/4 ... 20 mA
    Webserver, Modbus, Ethernet/IP, Profibus DP

  • Input

    1 or 2 measuring channel

    1 ... 4 digital sensor inputs for sensors with Memosens protocol (optional)

  • Measurement range

    0 to 80 mg/l CaCO3

    0 to 80 mg/l with dilution function to maximum 16 to 1600 mg/l CaCO3

  • Consumables

    Reagents and standard solutions CY80HA as well as cleaner CY800 are necessary for the operation
    Regular maintenance is done with the parts of the maintenance kit CAV800

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