Analog free chlorine sensor CCS51

Sensor for drinking water, pool and process water as well as utilities in all industries

CCS51

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CCS51 free chlorine sensor installed in CCA250 assembly with pH sensor

CCS51 analog free chlorine sensor with adapter for installation in CCA250 flow assembly

Specs at a glance

Measurement range

Trace: 0 to 5 mg/l HOCl
Standard: 0 to 20 mg/l HOCl
Process temperature

+0 to 55 °C (32 to 130°F), non-freezing
Process pressure

1 bar (14.5 psi)
Measuring method

- Closed, membrane covered measuring cell
- Reduction of free chlorine at the cathode

See all specifications

Field of application

CCS51 is a robust, low-maintenance sensor for free chlorine. It provides high-precision measurement with long-term stability in drinking water, pool and process water and ensures consistent disinfection monitoring even at low water volumes. The analog free chlorine sensor features extremely fast response times guaranteeing efficient process control and safe processes. CCS51 ensures continuity for the installed base of analog free chlorine measuring points.

CCS51 is an analog free chlorine sensor for skid builders and end customers. It measures reliably in:

Drinking water - to ensure reliable disinfection
Process water - for hygienic and safe packaging and bottling of products
Utilities - to detect the absence or presence of free chlorine
Pool water - to dose disinfectant efficiently

Benefits

Fast response time (t₉₀ < 25 s) provides accurate process view and enables prompt reaction to process changes as well as efficient process control.
Increased process safety: precise and long-term stable measurement ensures consistent process monitoring and allows for individually adapted disinfectant dosing.
The low-maintenance, amperometric sensor reduces the cost of ownership of the measuring point, particularly compared to colorimetric measuring systems.
Connection to the Liquisys chlorine transmitter ensures continuity for the installed base of analog free chlorine measuring points.

Predecessor

Chlorine CCS140

Trace Chlorine CCS141

Success stories

An automated system for pH measurements at AVR

AVR Waste in Botlek, Rotterdam, processes up to 1.7 million tons of residual waste per year. Discover how they optimized their pH measurement thanks to Endress+Hauser
Read the full story
Pure high quality beer and clean wastewater

Discover how Heineken meets all regulations to protect the brazilian environment with the Viomax CAS51D digital nitrate or SAC sensor from Endress+Hauser.
Read the full story
Safe phosphate elimination with minimal effort

Thanks to Endress+Hauser the Wastewater treatment plant in Breuberg meets legal requirements and ensures safe phosphate elimination.
Read the full story
Smart vertical farming in big cities

Intuitive pH and conductivity measurement in smart vertical farming plants to meet quality requirements and ensure comprehensive monitoring of processes.
Read the full story
Toilet flushing with a fresh sea breeze

Using seawater to flush toilets can save a lot of drinking water. To ensure a constant water supply, the sensors used must function reliably to meet the water quality objectives (WQO).
Read the full story

Simple products
Easy to select, install and operate

Technical excellence

Simplicity

What is FLEX?

Standard products
Reliable, robust and low-maintenance

Technical excellence

Simplicity

What is FLEX?

High-end products
Highly functional and convenient

Technical excellence

Simplicity

What is FLEX?

Specialized products
Designed for demanding applications

Technical excellence

Simplicity

Variable

What is FLEX?

FLEX selections	Technical excellence	Simplicity
F L E X Fundamental selection Meet your basic measurement needs	Technical excellence	Simplicity
F L E X Lean selection Handle your core processes easily	Technical excellence	Simplicity
F L E X Extended selection Optimize your processes with innovative technologies	Technical excellence	Simplicity
F L E X Xpert selection Master your most challenging applications	Technical excellence	Simplicity Variable

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Search spare parts by number in drawing

- Show drawing (PDF)

60 spare parts & accessories

Maintenance kits CCV05

Sealing

Drawing number

Order code

2

CCV05-
Kit adapter CCS5x(D/E) for CCA250

Order code

71372025
Kit adapter CCS5x(D/E) for CYA112

Order code

71372026
Kit adapter CCS5x(D/E) for CYA27+CCA151

Order code

71372027
Kit adapter CCS5x(D/E) for CYA27-xxxB

Order code

71554885
photometer M+N PF-3, disinfection

Order code

71257946
Zero-point gel COY8

Order code

COY8-

Language:	French
Version:	20/09/2018
File size:	664.6 KB
File name:	TI01424CFR_0118.pdf

Language:	English
Version:	20/09/2018
File size:	662.7 KB
File name:	TI01424CEN_0118.pdf

	EN
05/08/2020
16/12/2019
20/09/2018

Language:	English
Version:	05/08/2020
File size:	835.7 KB
File name:	BA01905CEN_0320.pdf

Language:	German
Version:	29/04/2022
File size:	42.7 KB
File name:	MSDS_CCV05-50x_51x_(A).pdf

Language:	Dutch
Version:	29/04/2022
File size:	42.1 KB
File name:	MSDS_CCV05-50x_51x_(BNL).pdf

Language:	Czech
Version:	29/04/2022
File size:	222.3 KB
File name:	MSDS_CCV05-50x_51x_(CZ).pdf

Language:	Estonian
Version:	29/04/2022
File size:	40.4 KB
File name:	MSDS_CCV05-50x_51x_(EST).pdf

Language:	Spanish
Version:	29/04/2022
File size:	38.7 KB
File name:	MSDS_CCV05-50x_51x_(MEX).pdf

Analog free chlorine sensor CCS51

Sensor for drinking water, pool and process water as well as utilities in all industries

Specs at a glance

Measurement range

Process temperature

Process pressure

Measuring method

Field of application

Benefits

Predecessor

Success stories

An automated system for pH measurements at AVR

Pure high quality beer and clean wastewater

Safe phosphate elimination with minimal effort

Smart vertical farming in big cities

Toilet flushing with a fresh sea breeze

Measuring principle

Application

Characteristic

Measurement range

Measuring method

Design

Material

Dimension

Process temperature

Process pressure

Temperature sensor

Connection

Back

CCS51 Information technique

CCS51 Technical Information

CCS51

CCV05-50x_51x (Austria)

CCV05-50x_51x (Belgium (Dutch))

CCV05-50x_51x (Germany)

CCV05-50x_51x (Czech Republic)

CCV05-50x_51x (France)

CCV05-50x_51x (Estonia)

CCV05-50x_51x (Ireland)

CCV05-50x_51x (Mexico)

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Maintenance kits CCV05

Kit adapter CCS5x(D/E) for CCA250

Kit adapter CCS5x(D/E) for CYA112

Kit adapter CCS5x(D/E) for CYA27+CCA151

Kit adapter CCS5x(D/E) for CYA27-xxxB

photometer M+N PF-3, disinfection

Zero-point gel COY8

Disinfection transmitterLiquisys CCM253

Input

Output / communication

Disinfection transmitterLiquisys CCM223

Input

Output / communication

Zero-point gelCOY8

Disinfection transmitterLiquisys CCM253

Input

Output / communication

Disinfection transmitterLiquisys CCM223

Input

Output / communication

Zero-point gelCOY8

Choose from our suggested options

Individual configuration

Often bought together

Disinfection transmitter
Liquisys CCM253

Disinfection transmitter
Liquisys CCM223

Zero-point gel
COY8

Disinfection transmitter
Liquisys CCM253

Disinfection transmitter
Liquisys CCM223

Zero-point gel
COY8