Specs at a glance
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Measuring range
0,05 - 20mg/l
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Process temperature
max. 50°C
(122°F) -
Process pressure
max. 10bar
(145psi)
Field of application
Oxymax COS41 is a reliable and accurate oxygen sensor for all kinds of water & wastewater applications. Designed for reduced maintenance and a long operating life, the sensor offers real value for money.
Oxymax COS41 measures the dissolved oxygen concentration in:
Wastewater treatment plants:
- O2 control in the aeration basin
- Process water treatment and monitoringWater works:
- Status monitoring of drinking water (oxygen enrichment, corrosion protection, etc.)
- Water quality monitoring in rivers, lakes or seasUtilities of all industries:
- O2 control in the biological treatment
- Process water treatment and monitoringFish farming:
- O2 control for optimum growth conditions
Benefits
High measurement accuracy
Long maintenance intervals
Minimum calibration effort thanks to simple air calibration
Videos
Predecessor
Success stories
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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 |
|---|---|---|
Fundamental selection Meet your basic measurement needs |
Technical excellence
|
Simplicity
|
Lean selection Handle your core processes easily |
Technical excellence
|
Simplicity
|
Extended selection Optimize your processes with innovative technologies |
Technical excellence
|
Simplicity
|
Xpert selection Master your most challenging applications |
Technical excellence
|
Simplicity
Variable |
Most downloaded
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Miscellaneous
Product family: Absorbance, Cell growth, Isemax, Liquiport, Liquistation M, Memosens, New analyzer platform, OxyMax W, Spectrometer, Turbidity and total suspended solids, Turbimax, UV
Russian version - 03/2025
Product root: CA80AL-, CA80AM-, CA80COD-, CA80CR-, CA80FE-, CA80HA-, CA80NO-, CA80PH-, CA80SI-, CA80TN-, CA80TP-, CAS40D-, CAS80E-, COS22E-, COS41-, COS51E-, COS61-, COS61D-, COS81E-, CSF48-, CSP44-, CUS50D-, CUS51D-, CUS52D-, OUSAF11-, OUSAF12-, OUSAF21-, OUSAF22 -, OUSAF46-, OUSBT66-, OUSTF10- Region: Eurasian Economic Union Approval agency: T-Standard Approval number: ЕАЭС KZ 7500525.13.12.00620
Language:
Russian
Version:
27/03/2025
File size:
1.3 MB
File name:
EAC KZ 7500525.13.12.00620.pdf
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162 documents
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Technical Information (TI)
Technical Information Oxymax W COS41
Amperometric oxygen sensor
EN 01/03/200701/06/2001Language:
English
Version:
01/03/2007
File size:
385.1 KB
File name:
TI284CEN.pdf
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Operating Instruction (BA)
Operating Instructions Oxymax W COS41
Sensor for Measuring Dissolved Oxygen
EN 01/04/200401/05/2001Language:
English
Version:
01/04/2004
File size:
486.9 KB
File name:
Ba284cen.pdf
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Short Instruction (KA)
Brief Operating Instructions Oxymax W COS41
Amperometric oxygen sensor
EN 01/06/2005Language:
English
Version:
01/06/2005
File size:
440.8 KB
File name:
KA284CEN.pdf
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Installation Instructions (EA)
EA Kit COS41/COS51D/E
for maintenance of the Oxymax W COS41/COS51D and Memosens COS51E oxygen
sensorsEN 05/05/2023Language:
English
Version:
05/05/2023
File size:
636.5 KB
File name:
EA01476CEN_0123-00.pdf
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Special Documentation (SD)
SD COV45
Maintenance Kit for COS41,
COS51D and COS51ELanguage:
English
Version:
08/10/2024
File size:
270 KB
File name:
SD03287CEN_0124-00.pdf
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Fields of Activities (FA)
Sensors, transmitters, compact devices and assemblies
Experts in Liquid Analysis
Language:
English
Version:
02/02/2026
File size:
4.2 MB
File name:
FA00007C_EN_Analyse_22-26_LowRes.pdf
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Fields of Activities (FA)
Sensoren, Messumformer, Kompaktgeräte and Armaturen
Kompetenz in der Flüssigkeitsanalyse
Language:
German
Version:
02/02/2026
File size:
4.3 MB
File name:
FA00007C_DE_Analyse_22-26_LowRes.pdf
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Fields of Activities (FA)
Endress+Hauser 水質分析計ファミリ
ラインナップと事例
Language:
Japanese
Version:
23/03/2017
File size:
34.8 MB
File name:
FA00007CJA_2022_Endress Hauser liquid analysis family.pdf
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Electrolytes
COV45-41TNx_51Txx (Ukraine)
Electrolyte for COS41/COS51D/E
Language:
Unknown
Version:
22/01/2025
File size:
328.6 KB
File name:
MSDS_COV45-41TNx_51Txx_(UK).pdf
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Electrolytes
COV45-41TNx_51Txx (Norway)
Electrolyte for COS41/COS51D/E
Language:
Norwegian
Version:
22/01/2025
File size:
131.9 KB
File name:
MSDS_COV45-41TNx_51Txx_(N).pdf
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Search spare parts by number in drawing
60 spare parts & accessories
60 spare parts & accessories
60 spare parts & accessories
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COV45 maintenance kits COS41/COS51x
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further parts
Order codeCOV45- -
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Kit COSxx Protection cage 8,5 mm holes
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further parts
Order code71495126 -
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Kit COSxx Protection cage Standard
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further parts
Order code71495128 -
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Kit COSxx Protection cage Fish farming
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further parts
Order code71495130 -
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Oxymax W COS41
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further parts
Order codeCOS41- -
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Measuring cable COK41-7
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further parts
Order code51506817 -
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Measuring cable COK41-15
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further parts
Order code51506818 -
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Set of 2x membrane cap COY31-WP
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Measuring chamber
Drawing numberOrder code251506976 -
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Sealing set COY31-OR
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Sealing
Drawing numberOrder code151506985 -
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Polishing foil COY31-PF
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further parts
Order code51506973 -
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Protectiv.cage for COS31/41/51D/61/71
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Housing/housing accessories
Drawing numberOrder code350053276 -
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Zero solution for DO/chlorine sensors
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further parts
Order code50001041 -
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Zero-point gel COY8
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further parts
Order codeCOY8- -
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Junction box VBM
Order code50003987 -
COY 3-SK membrane protective basket
Order code50081787 -
Calibration cap, COS31/41/61/51D/61D//71
Order code51518599
3 products & bundles
3 products
Often bought together
Accessories
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