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Disinfection transmitter Liquisys CCM253

Compact field device for the water, wastewater, food and power industries

Office situation support
Have questions about this product?

Disinfection transmitter Liquisys CCM253

Compact field device for the water, wastewater, food and power industries

Get a quote
Office situation support
Have questions about this product?

Benefits

  • More operational safety: Continuous process check system, customized alarm configuration, calibration plausibility check.
  • Reliable chlorine and pH control: Current input for flow rate monitoring with controller shut off or for feedforward control.
  • Easy to operate and service: Intuitive user interface, simple calibration for chlorine and pH, direct access for manual contact control.
  • Reduced maintenance: Automatic cleaning function (with Chemoclean) triggered by alarm or limit switch.
  • Fit for every application: Numerous extensions, e.g. P(ID) controller, timer, etc., allow for flexible adaption to all processes.
Manufacturer's warranty

Engineered for confidence

Our instruments are designed for long‑lasting performance, precise measurement, and dependable operation in demanding industrial environments. Each product includes a standard manufacturer’s warranty that reflects our commitment to quality and to the trust you place in our solutions.

Should a warranty case occur, the device will be assessed and the applicable remedy will be provided in line with the warranty terms – helping ensure a reliable and efficient resolution and supporting continued operation of your measurement point.

Request for extended warranty

If you require extended warranty coverage, simply contact your local Endress+Hauser representative. Our experts will advise you on the available options to match your application and risk profile, helping you protect your investment, reduce unexpected repair costs, and ensure reliable long‑term operation beyond the manufacturer's warranty period.

Learn more

Warranty terms apply

The manufacturer's warranty and extended warranty are subject to specific conditions. For full details, please refer to the locally applicable General Terms and Conditions (GTC), which can be found on the respective country page of our website.

Services by your side

Right‑first‑time commissioning, worldwide

Endress+Hauser’s qualified service engineers ensure your measurement devices are commissioned right the first time, delivering application‑aligned accuracy, regulatory compliance, and operational confidence from startup onwards, anywhere in the world.

Remote support you can trust wherever you operate

With Endress+Hauser Smart Support, you benefit from faster issue resolution, higher uptime, reliable global expertise across the entire product lifecycle – and lasting peace of mind.

Committed to long‑term, sustainable performance

With deep field expertise, harmonized processes, and continuous monitoring, we accompany you with comprehensive service offerings – from initial start‑up through instrumentation maintenance to process optimization – as a true lifetime partner delivering improved outcomes.

For additional information, please contact your local Endress+Hauser representative.

Learn more

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Select and download all technical documentation such as operating manuals, calibration certificates, approvals and CAD drawings conveniently bundled as a complete documentation package for your entire order or quote.

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Product information

Liquisys CCM253 is a compact field transmitter for chlorine and chlorine dioxide measurement.
Chlorine field transmitter
Specifications
Measuring / Application task Disinfection
No results found Try adjusting your search terms to see more results.
Description

Liquisys CCM253 is a standard chlorine transmitter with integrated pH compensation for free chlorine. It improves your operational safety thanks to continuous plausibility, process and sensor checks. Select from numerous hardware and software modules, such as relays or fieldbus communication, to adapt it exactly to your measuring task. This modularity also allows you to upgrade the transmitter at any time. A simple menu and calibration make configuration and operation fast and easy.

Field of application

The Liquisys CCM253 transmitter works with all analog total chlorine, free chlorine, chlorine dioxide and pH sensors in:

  • Water, Wastewater & Waste - Disinfection process control and monitoring - Desalination with membrane technology - Swimming and whirl pools - Gas scrubbers
  • Food & Beverages - Disinfection of process water
  • Power plants - Cooling water disinfection

Liquisys CCM253 features the following protocols and interfaces:

  • 0/4...20 mA
  • HART
  • PROFIBUS DP
  • PROFIBUS PA
Benefits
  • More operational safety: Continuous process check system, customized alarm configuration, calibration plausibility check.
  • Reliable chlorine and pH control: Current input for flow rate monitoring with controller shut off or for feedforward control.
  • Easy to operate and service: Intuitive user interface, simple calibration for chlorine and pH, direct access for manual contact control.
  • Reduced maintenance: Automatic cleaning function (with Chemoclean) triggered by alarm or limit switch.
  • Fit for every application: Numerous extensions, e.g. P(ID) controller, timer, etc., allow for flexible adaption to all processes.
Predecessors
CHLORINE MEASURING INSTRUMENT CCM 130, CHLORINE MEASURING INSTRUMENT CCM 140, TRANSMITTER F. CHLORINE MYCOM CCM141S, MYCOM CCM 151, TRANSMITTER F. CHLORINE MYCOM CCM141S
Downloads
Most downloaded
Operating Instruction (BA)
Operating Instructions Liquisys M CXM223/253 PROFIBUS Field Communikation for Liquisys M CXM223/253
English version - 12/2011
Download
Operating Instruction (BA)
Liquisys M CCM223/253 Operating Instructions Transmitter
English version - 08/2015
Download
Technical Information (TI)
Technical Information CCM 223/ Measurement of chlorine / chlorine dioxide / total chlorine
Transmitter for chlorine sensors
English version - 10/2013
Download
The CAD Drawings will be available after the configuration.
All downloads
31 Downloads
Technical Information (TI)
Technical Information CCM 223/ Measurement of chlorine / chlorine dioxide / total chlorine
Transmitter for chlorine sensors
English version - 10/2013
Download
Operating Instruction (BA)
Most downloaded
Operating Instructions Liquisys M CXM223/253 PROFIBUS Field Communikation for Liquisys M CXM223/253
English version - 12/2011
Download
Operating Instruction (BA)
Liquisys M CPM223/253 Operating Instructions Transmitter
English version - 09/2015
Download
Operating Instruction (BA)
Liquisys M CLM223/253 Operating Instructions Transmitter
English version - 09/2015
Download
Operating Instruction (BA)
Operating Instructions Liquisys M CXM223/253 HART Field Communication with Liquisys M CXM223/253
English version - 10/2005
Download
Operating Instruction (BA)
Liquisys M COM223/253 Operating Instructions Transmitter
English version - 09/2015
Download
Operating Instruction (BA)
Most downloaded
Liquisys M CCM223/253 Operating Instructions Transmitter
English version - 08/2015
Download
Short Instruction (KA)
KA Liquisys M CCM253 Transmitter for free chlorine, chlorine dioxide and total chlorine
English version - 10/2025
Download
Installation Instructions (EA)
EA Liquisys M CxM223/253 and Smartec S CLD132/134 Central modules
English version - 09/2026
Download
Ex Safety Instruction (XA)
Ex-safety instructions CXM2X3 Safety instructions for electrical apparatus for explosion-hazardous
areas as per EC Directive 94/9/EC (ATEX)
English version - 06/2005
Download
Special Documentation (SD)
Additional information for CSA Liquisys Additional information for CSA Liquisys
English version - 09/2013
Download
Manufacturer Declaration
Product family: Liquisys chlorine Product root: CCM253-
Declaration number: HE_02109_01.25
Manufacturer specification: RoHS
Additional information: China-RoHS
English version - 04/2025
Download
EU Declaration
Product family: Liquisys chlorine, Liquisys conductivity, Liquisys oxygen, Liquisys pH/ORP Product root: CCM223-, CCM253-, CLM223-, CLM253-, COM223-, COM253-, CPM223-, CPM253-
Declaration number: EC_00575_02.23
English version - 07/2023
Download
UK Conformity Assessed
Product family: Liquisys chlorine, Liquisys conductivity, Liquisys oxygen, Liquisys pH/ORP Product root: CCM223-, CCM253-, CLM223-, CLM253-, COM223-, COM253-, CPM223-, CPM253-
Declaration number: UK_00563_01.23
Additional information: UK DoC for C*M2*3
English version - 07/2023
Download
Product Carbon Footprint Information
Product family: Liquisys chlorine Product root: CCM253-
Declaration number: ED_00195_01.24
English version - 11/2024
Download
Miscellaneous
Product family: Liquiline, Liquiline M, Liquisys chlorine, Liquisys conductivity, Liquisys pH/ORP Product root: CCM223-, CCM253-, CLM223-, CLM223F-, CLM253-, CM14-, CM42-, CM442-, CM442R-, CM444-, CM444R-, CM448-, CM448R-, CM44P-,
CM72-, CM82-, CPM223-, CPM253-
Region: Eurasian Economic Union
Approval agency: EAC
Approval number: ЕАEС KZ 7500525.13.12.00633
Russian version - 02/2025
Download
Miscellaneous
Product family: Liquiline, Liquiline M, Liquisys chlorine, Liquisys oxygen, Liquisys pH/ORP Product root: CCM223-, CCM253-, CM14-, CM42-, CM442-, CM442R-, CM444-, CM444R-, CM448-, CM448R-, CM44P-, CM72-, CM82-, COM223-, COM2
53-, CPM223-, CPM253-
Region: Eurasian Economic Union
Approval agency: EAC
Approval number: EAEC KZ 7500525.13.12.00621
Russian version - 02/2025
Download
Miscellaneous
Product family: Liquiline, Liquiline M, Liquisys chlorine, Liquisys conductivity, Liquisys pH/ORP Product root: CCM223-, CCM253-, CLM223-, CM14-, CM42-, CM442-, CM442R-, CM444-, CM444R-, CM448-, CM448R-, CM44P-, CM72-, CM82-, CPM2
23-, CPM253-
Region: Eurasian Economic Union
Approval agency: EAC
Approval number: EAEC KZ 7500525.13.12.00623
Russian version - 02/2025
Download
Miscellaneous
Product family: Liquiline, Liquiline M, Liquisys chlorine, Liquisys oxygen, Liquisys pH/ORP Product root: CCM223-, CCM253-, CM14-, CM42-, CM442-, CM442R-, CM444-, CM444R-, CM448-, CM448R-, CM44P-, CM72-, CM82-, COM223-, COM2
53-, CPM223-, CPM253-
Region: Eurasian Economic Union
Approval agency: EAC
Approval number: ЕАEС KZ 7500525.13.12.00639
Russian version - 02/2025
Download
Ordinary Location Product Safety
Product family: Liquisys chlorine, Liquisys conductivity, LIQUISYS M, Liquisys oxygen, Liquisys pH/ORP, Liquisys turbidity, SmarTec S Product root: CCM223-, CCM253-, CLD134-, CLM223-, CLM223F-, CLM253-, COM223-, COM223F-, COM253-, COM253F-, CPM223-, CPM253-, CUM223-
, CUM253-
Region: Canada/USA
Approval agency: CSA
English version - 04/2018
Download
Tender Text
Liquisys CCM253 Chlor/Chlordioxid- und Temperatur Messumformer
German version - 12/2016
Download
General Station Description (GSD)
General Station Description (GSD) - Liquisys Chlorine - PROFIBUS PA Any, PROFIBUS System, Any
Language neutral - 04/2023
Download
General Station Description (GSD)
General Station Description (GSD) - Liquisys Chlorine - PROFIBUS DP Any, PROFIBUS System, Any
Language neutral - 04/2023
Download
Device Type Manager (DTM)
Device Type Manager (DTM) - Liquisys Chlorine - HART Endress+Hauser, DeviceCare, 1.07.06
Language neutral - 07/2026
Download

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Liquisys CCM253 is a compact field transmitter for chlorine and chlorine dioxide measurement.
Chlorine field transmitter

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Chlorine field transmitter
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Spare parts

further parts
further parts

Kit CXM2X3 Relaismod. 2rel

further parts
further parts
Order code 51500320
further parts
further parts

KIT CXM2X3 relay mod. 2rel / CSA

further parts
further parts
Order code 51511446
Drawing number 30
further parts
further parts

Kit CXM2X3 Relaismodule 4rel

further parts
further parts
Order code 51500321
Drawing number 35
further parts
further parts

KIT CXM2X3 relay mod. 4rel / CSA

further parts
further parts
Order code 51511447
Drawing number 35
Spare parts

Selection of compatible products

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