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Cleaning and calibration system Liquiline Control CDC90

Fully automatic system for pH and ORP measuring points in many industries

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Cleaning and calibration system Liquiline Control CDC90

Fully automatic system for pH and ORP measuring points in many industries

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Benefits

  • Increased occupational safety for your employees: Liquiline Control CDC90 reduces maintenance and servicing measures to a minimum – a decisive advantage, especially in difficult-to-access and hazardous environments.
  • With customizable cleaning and calibration cycles for up to two sensors, you can achieve high process reliability, product quality and optimum product yield. Blockages and soiling of the sensors are removed in good time.
  • Intelligent media distribution and dosing guarantees reproducible calibration results and ensures reliable measured values at all times.
  • Minimize operating costs by optimizing buffer and cleaning agent consumption at both measuring points. This is ensured by the sophisticated hydraulics of the Liquiline Control CDC90.
  • Seamless integration into your process control system with certified communication standards. Includes analog or digital signals as well as fieldbus: 0/4 ... 20 mA, PROFIBUS DP, Modbus TCP, EtherNet/IP, PROFINET, and web server technology.
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

24/7 customer portal

Personalized transaction space

Check prices and delivery times, save your favorite products, create quotes and place orders in just a few clicks and track deliveries at any time. With access to your complete order and quote history including all relevant documents you benefit from full transparency throughout the entire process.

Easy access to technical documentation

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.

My Endress+Hauser – all in one place

My Endress+Hauser is your 24/7 connection to Endress+Hauser – in the office, in the field or on the go. It brings together transaction management, documentation and software downloads, knowledge base access, customer support, engineering tools and cloud‑based IIoT services helping you work easier, faster and more efficiently.

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Office situation support
Have questions about this product?

Product information

Liquiline Control CDC90 is an automatic cleaning and calibration system for pH and ORP sensors.
Cleaning and calibration system
Specifications
Measuring / Application task pH
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Description

The Liquiline Control CDC90 plug & play system automates Memosens pH and ORP measuring points in many industries. It cleans, calibrates and adjusts up to two sensors automatically, reducing maintenance effort, improving working safety in harmful areas and helping to ensure the yield and quality of your product. It can easily be integrated into existing plant infrastructures and allows a convenient connection to any process control system.

Field of application

Liquiline Control CDC90 automates pH and ORP measuring points in all industries. It is suitable for each application where:

  • The sensors must be cleaned and/or calibrated frequently.
  • The measuring point is difficult to access.
  • The measuring point is in a harmful environment.
  • The process requires reproducible precise pH measurement.
  • The process requires measurement at frequent intervals.
  • The performance of the measuring point must be controlled and documented frequently.
Benefits
  • Increased occupational safety for your employees: Liquiline Control CDC90 reduces maintenance and servicing measures to a minimum – a decisive advantage, especially in difficult-to-access and hazardous environments.
  • With customizable cleaning and calibration cycles for up to two sensors, you can achieve high process reliability, product quality and optimum product yield. Blockages and soiling of the sensors are removed in good time.
  • Intelligent media distribution and dosing guarantees reproducible calibration results and ensures reliable measured values at all times.
  • Minimize operating costs by optimizing buffer and cleaning agent consumption at both measuring points. This is ensured by the sophisticated hydraulics of the Liquiline Control CDC90.
  • Seamless integration into your process control system with certified communication standards. Includes analog or digital signals as well as fieldbus: 0/4 ... 20 mA, PROFIBUS DP, Modbus TCP, EtherNet/IP, PROFINET, and web server technology.
Predecessors
Downloads
Most downloaded
Short Instruction (KA)
KA Liquiline Control CDC90 Automated cleaning and calibration of Memosens sensors
English version - 08/2024
Download
Operating Instruction (BA)
BA Liquiline Control CDC90 Automated cleaning and calibration of Memosens sensors
English version - 08/2024
Download
Technical Information (TI)
TI Liquiline Control CDC90 The smart system for automated measuring points
English version - 09/2024
Download
The CAD Drawings will be available after the configuration.
All downloads
72 Downloads
Technical Information (TI)
TI Liquiline Control CDC90 The smart system for automated measuring points
English version - 09/2024
Download
Operating Instruction (BA)
BA Liquiline Control CDC90 Data transmission via PROFIBUS DP
English version - 03/2026
Download
Operating Instruction (BA)
BA Liquiline Control CDC90 Data transmission via Modbus TCP
English version - 03/2026
Download
Operating Instruction (BA)
BA Liquiline Control CDC90 Data transmission via analog communication 0/4 to 20 mA
English version - 10/2024
Download
Operating Instruction (BA)
BA Liquiline Control CDC90 Data transmission via PROFINET
English version - 03/2026
Download
Operating Instruction (BA)
Liquiline Control CDC90 Datenübertragung über EtherNet/IP
German version - 03/2022
Download
Operating Instruction (BA)
BA Liquiline Control CDC90 Data transmission via EtherNet/IP
English version - 03/2026
Download
Operating Instruction (BA)
Most downloaded
BA Liquiline Control CDC90 Automated cleaning and calibration of Memosens sensors
English version - 08/2024
Download
Short Instruction (KA)
Most downloaded
KA Liquiline Control CDC90 Automated cleaning and calibration of Memosens sensors
English version - 08/2024
Download
Installation Instructions (EA)
Einbauanleitung/ Installation Instructions Kit Module/Modules Für erweiterte Funktionalität
For extended functionality
English version - 07/2014
Download
Installation Instructions (EA)
Kit CM44x / CSXxx / CA80xx Kit Module 485/ETH Installation Instructions For Ethernet configuration, PROFIBUS, Modbus
English version - 08/2017
Download
Installation Instructions (EA)
EA kits for water and compressed air preparation Spare parts kits for water and compressed air preparation
English version - 09/2025
Download
Installation Instructions (EA)
EA Liquiline Control CDC90 Maintenance kit
English version - 06/2026
Download
Special Documentation (SD)
Liquiline Control CDC90 Data transmission via PROFIBUS DP
English version - 12/2020
Download
Special Documentation (SD)
Liquiline Control CDC90 Data transmission via PROFINET
English version - 12/2020
Download
Special Documentation (SD)
Fieldbus communication interface Fieldbus communication interface for Liquiline Control CDC90
English version - 07/2018
Download
Special Documentation (SD)
Liquiline Control CDC90 Data transmission via Modbus TCP
English version - 12/2020
Download
Special Documentation (SD)
Liquiline Control CDC90 Data transmission via EtherNet/IP
English version - 12/2020
Download
Special Documentation (SD)
Liquiline Control CDC90 Data transmission via analog communication 0/4 to 20 mA
English version - 12/2020
Download
Competence Brochure (CP)
Lang lebe Ihr Kraftwerk! Modulare SWAS-Panels für einen sicheren Wasser-/Dampfkreislauf
German version - 06/2015
Download
Competence Brochure (CP)
Long live your power plant! Modular SWAS panels for a safe water/steam cycle
English version - 06/2015
Download
Competence Brochure (CP)
発電所を長寿命に! 安全な水/蒸気サイクルを実現するモジュール式SWASパネル
Japanese version - 06/2024
Download
Competence Brochure (CP)
pH-Messung in Industrieprozessen Auswahl- und Engineering-Hilfe für verschiedene Industriebranchen und
Applikationen
German version - 12/2021
Download
Competence Brochure (CP)
pH 測定セレクションガイド 産業プロセスにおけるpH測定
Japanese version - 06/2026
Download

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Spare parts and accessories

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Kit CDC90 Cover without electronic

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Order code 71361216
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Kit CDC90 interface Board

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Kit CDC90 PROFINET cable M12 - RJ45

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Order code 71379315
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Kit CDC90 Gateway module Profibus

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Spare parts and accessories
Liquiline Control CDC90 is an automatic cleaning and calibration system for pH and ORP sensors.
Cleaning and calibration system

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Cleaning and calibration system
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Spare parts and accessories

further parts
further parts

Kit CDC90 Cover without electronic

further parts
further parts
Order code 71361216
further parts
further parts

Kit CDC90 interface Board

further parts
further parts
Order code 71379312
further parts
further parts

Kit CDC90 PROFINET cable M12 - RJ45

further parts
further parts
Order code 71379315
further parts
further parts

Kit CDC90 Gateway module Profibus

further parts
further parts
Order code 71379318
Spare parts and accessories

Selection of compatible products

/