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Chloromax CCS142D

Chloromax CCS142D - Digital free chlorine sensor for all water applications ©Endress+Hauser

This product is no longer available.

Please check new generation in the section predecessor / successor or contact your local Endress+Hauser entity.

Features and specifications



  • Measuring principle

    Free chlorine

  • Application

    Water treatment, drinking water, service water, process water, distribution network

  • Characteristic

    Amperometric measurement of free chlorine

  • Measurement range


    0.05 to 20 mg/l Cl2 (25 °C (77 °F), pH 7.2)


    0.01 to 5 mg/l Cl2 (25 °C (77 °F), pH 7.2)

  • Measuring principle

    Membrane-covered amperometric sensor

  • Design

    Sensor for use in flow cell (CCA250)
    or for immersion use (thread NPT 3/4 on top)


  • Material

    Sensor shaft: PVC

    Membrane: PTFE

    Membrane cap: PBT, PVDF

    Cathode: gold

    Anode: silver / silver chloride

  • Dimension

    Diameter sensor body: 25 mm (0.98 inch)

    Diamter sealing seat for flow cell: 31 mm (1.22 inch)

    Length: 148 mm (5.83 inch)

  • Process temperature

    0 to 45 °C (32 to 113 °F), non-freezing

  • Process pressure

    Medium in the CCA250 assembly: max. 1 bar (14.5 psi)

  • Temperature sensor

    Integrated (Memosens)

  • Connection


Documents / Manuals / Software

Accessories / Spare parts

Order code
  • 1
  • 2
  • A
    • Nr A Order code 50005255

      Replacement cartridges CCY 14-WP

      2 pcs., ready made for CCS 140/141/240/241

  • A
    • Nr A Order code 71076921

      Maintenance kit, CCS14x

      Content: Electrolyte 50ml / 1,69 fl.oz.; 2 membrane caps polish foil (2 qualities)

    • Order code 51500832

      Junction box RM

      to lengthen the cable for Memosens/CUS31/41. Protection class IP 65, with 2x PG 13.5

    • Order code 71257946

      photometer M+N PF-3, desinf. (chlorine)

      colorimetric measurement of free and total chlorine 0,05 .. 6mg/l Disinfection, drinking and process water hand held photometer, IP67-graded, with cuvettes, DPD, according to ISO 7393 deliverey in plastic case, test kit for free and total chlorine included ::hand held photometer for field cal. and verification of desinfection loops

    • Order code CYK10-

      Meas. cable CYK10 Memosens

      Application: digital sensors with inductive Memosens plug-in head Working limit: max. -20...135oC

    • Order code COY8-

      Zero-point gel COY8

      Zero point: Verification, calibration, adjustment at zero point of oxygen and disinfection sensors ::Amperometric and optical sensors ::12, 25 and 40mm diameter ::Application in the lab, in the field

  • Successor