
Specs at a glance
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Measurement range
0 to 500 mg/l O2 COD chromate method
0 to 5000 mg/l O2 COD chromate method
0 to 5000 mg/l O2 COD chromate method + dilution module (1:4) -
Process temperature
4 to 40 °C (39 to 104 °F)
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Process pressure
Atmospheric
Field of application
Liquiline System CA80COD offers constant online measurement of the chemical oxygen demand (COD). It supports you in monitoring the cleaning capacity of wastewater treatment plants and enables load-based billing for industrial dischargers. Automatic calibration and cleaning save operating costs while advanced diagnostics with remote access help to provide process documentation to authorities. The COD analyzer's software-controlled safety functions ensure the highest level of occupational safety.
The Liquiline System COD analyzer monitors:
Inlet and outlet of wastewater treatment plants for documentation purposes and calculation of the cleaning capacity
Discharges of industrial wastewater treatment plants to determine discharge fees and to support the polluter-pays-principle
Process water
Benefits
Established COD dichromate method directly comparable to laboratory results.
Meeting industry needs: The analyzer is perfectly suited for environmental monitoring, industrial and municipal wastewater.
Fast and easy process integration: Direct installation of self-priming version or y-strainer for bypass applications.
Safety on the highest level: Software-controlled safety cover for the reactor and all heated parts.
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Combination of reliable sample delivery and high-precision dosing: Peristaltic pumps are able to cope with particles in the sample. Light barriers enable precise, reproducible dosing.
Easy upgrade of functionality to a complete measuring station - simply by adding modules and connecting Memosens sensors.
Videos
Extended selection
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High-end products
- Highly functional and convenient
Technical excellence
Simplicity

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Standard products
- Reliable, robust and low-maintenance
Technical excellence
Simplicity
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Specialized products
- Designed for demanding applications
Technical excellence
Simplicity
Variable
FLEX selections | Technical excellence | Simplicity |
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Fundamental selection Meet your basic measurement needs |
Technical excellence
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Simplicity
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Lean selection Handle your core processes easily |
Technical excellence
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Simplicity
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Extended selection Optimize your processes with innovative technologies |
Technical excellence
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Simplicity
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Xpert selection Master your most challenging applications |
Technical excellence
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Simplicity
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Predecessor
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Installation Instructions (EA)
Kit CA80 Outdoor
German version - 02/2020
Mastmontagekit zur Montage von Analysatoren im Außenbereich
EN 14/02/2020Language:
German
Version:
14/02/2020
File size:
416.2 KB
File name:
EA01293CDE_0119.pdf
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Technical Information (TI)
Liquiline System CA80COD
German version - 05/2021
Analysator zur Bestimmung des Chemischen Sauerstoffbedarfs (CSB)
EN 31/05/202109/06/201703/11/201615/03/201630/04/2015Language:
German
Version:
31/05/2021
File size:
3.9 MB
File name:
TI01185CDE_0621.pdf
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Technical Information (TI)
Liquiline System CA80COD
Analyzer for determining chemical oxygen demand (COD)
EN 31/05/202109/06/201703/11/201615/03/201630/04/2015Language:
English
Version:
31/05/2021
File size:
4.2 MB
File name:
TI01185CEN_0621.pdf
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Operating Instruction (BA)
Memosens
Sensor inputs with Memosens protocol
EN 30/05/202228/02/2019Language:
English
Version:
30/05/2022
File size:
3.3 MB
File name:
BA01245CEN_0822-00.pdf
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Operating Instruction (BA)
Liquiline System CA80COD
Colorimetric analyzer for chemical oxygen demand
EN 31/05/202113/01/202009/06/201715/03/2016Language:
English
Version:
31/05/2021
File size:
6.6 MB
File name:
BA01354CEN_0621.pdf
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Short Instruction (KA)
Liquiline System CA80COD
Colorimetric analyzer for chemical oxygen demand
EN 31/05/202119/02/202006/10/201707/04/201710/05/2016Language:
English
Version:
31/05/2021
File size:
3 MB
File name:
KA01238CEN_0621.pdf
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Installation Instructions (EA)
Kit CA80 Outdoor
Kit for mounting analyzer on a post outdoor
EN 14/02/2020Language:
English
Version:
14/02/2020
File size:
414.2 KB
File name:
EA01293CEN_0119.pdf
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Special Documentation (SD)
CM44x/R/P / CSFxx / CA80xx
Webserver Guideline
EN 27/01/202014/08/201928/07/201710/05/2013Language:
English
Version:
27/01/2020
File size:
879 KB
File name:
SD01190CEN_04.20.pdf
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Special Documentation (SD)
Activation codes kit
For extended functionality
EN 04/05/202003/05/201816/09/201424/03/201425/03/2013Language:
English
Version:
04/05/2020
File size:
102.9 KB
File name:
SD00166CEN_0620.pdf
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Special Documentation (SD)
Special Documentation Liquiline 4-wire Platform
EtherNet/IP guideline
EN 09/06/202224/01/202027/11/201914/07/201728/07/2014Language:
English
Version:
09/06/2022
File size:
2 MB
File name:
SD01293CEN_06.22.pdf
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Special Documentation (SD)
Special Documentation Liquiline 4-wire Platform
Modbus Guideline
EN 31/05/202224/01/202027/11/201914/07/201722/07/2014Language:
English
Version:
31/05/2022
File size:
1.8 MB
File name:
SD01189CEN_07.22.pdf
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Special Documentation (SD)
CM44x/R/P / CSFxx / CA80xx
PROFIBUS Guideline
EN 09/06/202227/01/202014/08/201908/09/201727/02/2014Language:
English
Version:
09/06/2022
File size:
1.9 MB
File name:
SD01188CEN_06.22.pdf
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Maintenance booklet CA80xx for download
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further parts
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Reagent / Standard solution CY80COD
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further parts
Order codeCY80COD- -
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CAV880 Maint. kit CA80 sum parameters
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further parts
Order codeCAV880- -
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CAC880 Inlet and Outlet hoses CA8x
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further parts
Order codeCAC880- -
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Housing
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further parts
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Kit CA80COD/TP: Y-strainer
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further parts
Drawing numberOrder code22371325777 -
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Kit CA80COD/TP: Y-strainer (inch)
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further parts
Drawing numberOrder code22471360016 -
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Kit CA80COD/TP: Y-strainer hose
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further parts
Drawing numberOrder code22571360026 -
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Kit CA80COD/TP: Suction filter
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further parts
Drawing numberOrder code22671347636 -
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Kit: display cable
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further parts
Drawing numberOrder code31271101762 -
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Kit CA8x/CAT860: wall mounting
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further parts
Drawing numberOrder code10271218400 -
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Kit CA8x/CAT860: housing bottom
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further parts
Drawing numberOrder code10371218402 -
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Kit CA8x: door with window
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further parts
Drawing numberOrder code20671218409 -
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Kit CA8x: M12 ext. jack digit. Sensor
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further parts
Drawing numberOrder code10871218419 -
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Kit CA8x/CAT860: lock cylinder
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further parts
Drawing numberOrder code20871218425 -
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Kit CA8x/CAT860: door stop
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further parts
Drawing numberOrder code11171218429 -
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Kit CA8x: analyzer stand
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further parts
Drawing numberOrder code11871218473 -
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Kit CA80COD/TP: safety cover
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further parts
Drawing numberOrder code20771324175 -
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Kit CA80COD/TP: safety lock
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further parts
Drawing numberOrder code15171324522 -
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Kit CA80COD/TP: Cover for FMAB1
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further parts
Drawing numberOrder code15271325409 -
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Kit CA8x: bottle tray no cooling
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further parts
Drawing numberOrder code20571218434 -
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Process engineering
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further parts
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Kit CA8x: linear drive (1 piece)
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further parts
Drawing numberOrder code19871218490 -
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Kit CA80COD/TP light bar. linear drive
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further parts
Order code71479010 -
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Kit CA8x: dispenser holder 10ml (10 pcs)
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further parts
Drawing numberOrder code19971222105 -
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Kit CA8x: dispenser 10 ml (20 pcs)
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further parts
Drawing numberOrder code20271222106 -
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Kit CA80COD/TP: dilution valve
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further parts
Drawing numberOrder code21771431081 -
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Kit CA80COD: waste valve
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further parts
Drawing numberOrder code21571431077 -
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Kit CA80COD/TP: leakage sensor
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further parts
Drawing numberOrder code21171324170 -
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Kit CA80COD/TP:peristaltic pump complete
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further parts
Drawing numberOrder code20371324520 -
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Kit CA80COD/TP: 10x cap dilution vessel
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further parts
Drawing numberOrder code22171324523 -
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Internal hoses and connectors
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further parts
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Kit CA80COD/TP: Pharmed hose (2 m)
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further parts
Drawing numberOrder code20071324153 -
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Kit CA80COD: waste hose
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further parts
Drawing numberOrder code21071431075 -
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Kit CA80COD/TP: PTFE hose (5 m)
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further parts
Order code71324156 -
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Kit CA80COD/TP: hose connectors (20 pcs)
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further parts
Order code71324157 -
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Kit CA80COD/TP: pump hose (10x)
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further parts
Drawing numberOrder code20971324163 -
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Kit CA80COD/TP Outlet hose
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further parts
Drawing numberOrder code15371403266 -
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Reactor
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further parts
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Kit CA80COD: cuvette heated 15mm
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further parts
Drawing numberOrder code21971324194 -
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Dosing unit
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further parts
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Photometer
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further parts
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Electronics
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further parts
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Kit CA8x: power supply 100 - 240 V AC
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further parts
Drawing numberOrder code14271218503 -
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Kit CA8x: DC/DC transformer 24V
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further parts
Drawing numberOrder code14171218505 -
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Kit module extention backplane
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further parts
Drawing numberOrder code32171141366 -
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Kit CA8x: Interface module CM44
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further parts
Drawing numberOrder code14671218507 -
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Kit CA8x interface module vers. 2
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further parts
Drawing numberOrder code14671465480 -
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Additional Liquline modules
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further parts
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Kit: module 2DS
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further parts
Order code71135631 -
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Kit: module DIO
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further parts
Order code71135638 -
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Kit : module AOR
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further parts
Order code71111053 -
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Kit: module 2R
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further parts
Order code71125375 -
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Kit: module 4R
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further parts
Order code71125376 -
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Kit: module 2AO
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further parts
Order code71135632 -
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Kit: module 4AO
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further parts
Order code71135633 -
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Kit: module 2AI
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further parts
Order code71135639 -
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Kit: module ETH
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further parts
Order code71272410 -
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Kit: module 485
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further parts
Order code71135634 -
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Kit: 1x set of terminals basic module
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further parts
Order code71107452 -
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Kit: 1x set of terminals module AOR
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further parts
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