Technical Data
ComparepH
| Measuring Principle | Potentiometric |
| Application | Increased occupational safety by minimizing maintenance and servicing measures. Customizable cleaning and calibration cycles for up to two measuring points. Minimization of operating costs and buffer and cleaning agent consumption through smart media distribution and dosing. |
| Installation | Complete automated cleaning and validation system including a selectable retractable holder |
| Characteristic | Fully assembled system with powder-coated or stainless steel pneumatic control unit. All non-ex applications |
| Measuring principle | Automated cleaning and calibration of Memosens pH and ORP sensors installed in retractable assemblies. |
| Design | Complete cleaning and calibration system including dosing pumps and canisters for buffer and cleaning solutions for connection to various retractable assemblies and sensors |
| Dimension | 268 x 1170 x 770 mm (l x h x w) 10.55 x 46.06 x 28.74 inch (l x h x w) |
| Connection | DCS/PLS connection on Modbus TCP, Ethernet IP, Profinet, ProfibusDP and current in/ output |
| Input | 1 to 2x Memosens digital sensor 1x 0/4 to 20mA input 4x digital input |
| Output / communication | DCS/PLS connection via Modbus TCP, EtherNet/IP, PROFINET, PROFIBUS DP, digital and analog signals |
| Certificates, declarations and approvals | UKCA, CSA general purpose |
The Liquiline Control CDC90 is plug & play and automatically performs all tasks at Memosens pH and ORP measuring points in all industries. The system automatically performs cleaning, verification, calibration and adjustment of up to two sensors, reducing maintenance workload, improving workability in harmful conditions and helping to increase product yield and quality. The system can be easily integrated into existing plants, and measuring points can be conveniently controlled remotely via any process control system or remote device.
Benefits
Optimized cleaning and calibration cycles provide reliable, reproducible measured values, helping you to increase product yield and quality while reducing raw material consumption.
In the event of electrode clogging or contamination, the system automatically starts cleaning and calibration, always providing reliable measured values and ensuring product safety.
Minimizes maintenance workload at hard-to-reach positions, under demanding conditions or in harmful environments, increasing the safety of service personnel.
Offers various certified communication methods for seamless integration into your process control system, e.g.: 0/4…20mA, PROFIBUS DP, Modbus TCP, EtherNet/IP, PROFINET and OPC UA as well as web server technology.
Pre-configured cleaning and calibration programs enable fast startup and commissioning of the Liquiline Control CDC90 at low operating cost.
Applications
The Liquiline Control CDC90 automatically performs all tasks at pH and ORP measuring points in all industries. Suitable for the following applications:
Electrodes must be cleaned and/or calibrated frequently.
Measuring points are difficult to access.
Measuring points are in harmful environments.
The process requires repeated high-precision pH measurement.
The process requires frequent measurement.
Measuring point performance must be frequently checked and documented.
Source: Endress+Hauserpublic information from the website
Measuring principle video
Spare Parts & Accessories 78
78 spare parts · click to collapse
| Order code | Description | |
|---|---|---|
| 71361216 | Kit CDC90 Cover without Electronics | Details |
| 71379312 | CDC90 Interface Board Kit | Details |
| 71379315 | Kit CDC90 PROFINET cable M12 - RJ45 | Details |
| 71379318 | CDC90 Profibus gateway module kit | Details |
| 71379319 | Kit CDC90 Gateway module Profinet | Details |
| 71518246 | Kit CDC90 Gateway EtherNet/IP | Details |
| 71518244 | Kit CDC90 Ethernet cable M12-RJ45 90° | Details |
| 71518248 | Kit CDC90 USB Stick 64 GB | Details |
| 71518249 | Kit CDC90 Cable glands control unit | Details |
| 71361218 | Kit CDC90 air filter | Details |
| 71361219 | Kit CDC90 wall holder V4A | Details |
| 71379320 | Kit CDC90 wall holder, coated steel | Details |
| 71361221 | Kit CDC90 valve block, 8 valves | Details |
| 71361222 | Kit CDC90 valve block, 16 valves | Details |
| 71677033 | Kit CDC90 valveblock 16 valves A2 | Details |
| 71361223 | Kit CDC90 valve module 2x (NC) | Details |
| 71361225 | Kit CDC90 valve module 2x (NO) | Details |
| 71481481 | Kit CDC90 valve module 5/2-way | Details |
| 71677034 | Kit CDC90 medium valve A2 | Details |
| 71361230 | CDC90 pneumatic pressure monitor kit | Details |
Configurator / Comparison
Manuals & Documents 12
All documents for this model12 documents · click to expand
BA Liquiline Control CDC90 Chinese
BA Liquiline Control CDC90 Chinese
BA Liquiline Control CDC90 Chinese
BA Liquiline Control CDC90 Chinese
BA Liquiline Control CDC90 Chinese
BA Liquiline Control CDC90 Chinese
BA Liquiline Control CDC90 English
BA Liquiline Control CDC90 English
BA Liquiline Control CDC90 English
BA Liquiline Control CDC90 English
BA Liquiline Control CDC90 English
BA Liquiline Control CDC90 English
Case Studies
Municipal Wastewater Treatment · PH — Application Case
Application Context
the inlet, biological and outlet stages of a municipal plant is a typical Municipal Wastewater Treatment duty. The project started from PH, focusing on continuous pH monitoring for neutralisation and compliance control.
Process Constraints
effluent parameters drift and probes foul with sludge and biofilm, and high solids and corrosive fractions, with large diurnal flow swings only amplify it. The PH specification must therefore cover choosing glass or ISFET sensors by temperature, fluoride content and pressure.
Delivery Approach
Delivery was handled as the analyser range — selecting as part of a complete water-analysis system. Execution centred on choosing glass or ISFET sensors by temperature, fluoride content and pressure, together with stable compliance with Grade 1A discharge limits and online data reporting.
Field Results
Operation shows the benefit clearly — tighter dosing control and lower reagent consumption, with confidence in this measuring point improving markedly.
Food & Beverage · PH — Application Case
Customer Profile
The typical setting in Food & Beverage is dosing, pasteurising, filling and CIP stages. The measuring point is PH; the focus is continuous pH monitoring for neutralisation and compliance control.
Key Difficulties
Conditions are syrups, dairy and beverages that scale easily, under strict hygienic requirements and, on top of that, frequent cleaning demands instruments that withstand hot CIP/SIP caustic cycles, which a standard configuration cannot handle for long. The design therefore starts with choosing glass or ISFET sensors by temperature, fluoride content and pressure.
Implementation
The scope ran through the analyser range: selecting as part of a complete water-analysis system. Technically it hinges on choosing glass or ISFET sensors by temperature, fluoride content and pressure, and on these requirements: food-safety and hygienic design per 3-A / EHEDG.
Customer Benefit
In practice this means tighter dosing control and lower reagent consumption, which cut the workload on the site maintenance team.
Chemical & Pharmaceutical · PH — Application Case
Project Background
The project covers reactors, metering vessels and finished-product tanks. The work centres on PH and the core task is continuous pH monitoring for neutralisation and compliance control.
Operating Challenges
The medium and duty are characterised by highly corrosive media with solvents and crystallisation, partly in explosive atmospheres, and corrosion plus Ex protection shortens instrument life and makes downtime costly. So PH cannot be specified generically — it calls for choosing glass or ISFET sensors by temperature, fluoride content and pressure.
Solution
The Ainstru engineering team worked through the analyser range: selecting as part of a complete water-analysis system. The configuration involves choosing glass or ISFET sensors by temperature, fluoride content and pressure, with these requirements in view: Ex certification and GMP traceability of records.
Results
Since start-up the system has run steadily; the practical result is tighter dosing control and lower reagent consumption.
Power & Energy · PH — Application Case
Project Overview
The site is boiler feedwater, turbine condensate and FGD/DeNOx systems. The customer wanted PH properly configured on the existing plant, with the aim of continuous pH monitoring for neutralisation and compliance control.
Technical Challenges
What actually causes trouble is high temperature and pressure with both steam and saline water, and drift under high temperature and pressure, with very costly unplanned outages. All of this means the PH configuration has to involve choosing glass or ISFET sensors by temperature, fluoride content and pressure.
Configuration
Supply and installation were organised through the analyser range: selecting as part of a complete water-analysis system. On site this meant choosing glass or ISFET sensors by temperature, fluoride content and pressure, checked line by line against: compliance with power-industry codes and unit availability targets.
Performance
After commissioning the outcome is tighter dosing control and lower reagent consumption, and the readings are now used for process tuning.
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