Viomax CAS51D - the smart nitrate & SAC sensor with fast response time and chemical-free handling.

Digital nitrate or SAC sensor Viomax CAS51D

Memosens sensor for optical measurement of nitrate, SAC, COD_eq, TOC_eq, BOD_eq or DOC_eq

CAS51D

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Thanks to different available optical path lengths, it covers a wide measuring range.

Viomax CAS51D provides you with continuous measured values and is low-maintenance.

Viomax CAS51D is available as nitrate sensor and as sac sensor that can also measure equivalents of several sum parameters.

Specs at a glance

Measuring range

0.01 to 20 mg/l / 0.1 to 50 mg/l NO3-N
0.04 to 80 mg/l / 0.4 to 200 mg/l NO3
0 to 50 1/m / 0 to 250 1/m / 0 to 1000 1/m SAC
0 to 75 mg/l / 0 to 375 mg/l / 0 to 1500 mg/l COD/BOD (254nm)
0 to 30 mg/l / 0 to 150 mg/l / 0 to 600 mg/l TOC/DOC (254nm)
Process temperature

5 to 50°C (41 to 120 °F)

See all specifications

Field of application

Viomax CAS51D is a smart sensor that allows unattended operation in a wide range of process conditions in water, wastewater and utilities. It ensures continuous online measurements without any chemicals and it is extremely robust as well as low-maintenance thanks to its self-cleaning design. You can select the CAS51D as nitrate sensor or as sensor for SAC and several sumparameters. Thanks to Memosens digital technology, Viomax CAS51D offers high process and data integrity and is easy-to-use.

Viomax CAS51D measures nitrate, SAC or several sum parameters in drinking water, process water and wastewater applications as well as in the utilities sector:

Organic load or nitrate in inlet and outlet
Determination of CODeq, TOCeq, BODeq or DOCeq
Monitoring, control and optimization of treatment processes
Nitrate monitoring in the aeration basin and denitrification stage

Benefits

Cost-effective: Easy, chemical-free handling is safe, environmentally friendly and saves on operational expenditure.
Extremely fast response time: Measured value processing in the sensor provides reliable real-time process information.
Fast and easy commissioning: Sensor comes precalibrated and preconfigured ex factory.
Enables unattended plant operation: Intelligent design and automatic air-cleaning functionality maximize availability and minimize maintenance.
Perfect adaption to open basins: Fast and flexible sensor positioning with Flexdip CYH112 holder and CYA112 assembly system.
Perfect adaption to pipes: Various flow cells allow easy plant integration.

Get this product as part of a bundle

Bundle
Complete measuring loop for SAC in the wastewater outlet

Save time with this pre-configured package for optical SAC measurement that ensures reliable process monitoring
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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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Predecessor

Stamosens CSS70

Stamosens CNS70

Success stories

Monitoring water quality in fish farms

Optimal water quality in fish farming with the Endress+Hauser monitoring solution with the latest measurement technology and data management
Read the full story
TOCeq measurement in wastewater treatment

TOC measurements are often performed using analyzers that require expensive reagents. The CAS51D enables the plant operators to comply with WHO requirements and guarantees tight measurement intervals.
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
50% less precipitant - 100% reliability and cooperation

IDEA achieved tremendous cost savings through continous monitoring with the CA80PH Analyzer at their site in Wallonia
Read the full story
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

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Digital nitrate or SAC sensor Viomax CAS51D

Memosens sensor for optical measurement of nitrate, SAC, CODeq, TOCeq, BODeq or DOCeq

Specs at a glance

Measuring range

Process temperature

Field of application

Benefits

Get this product as part of a bundle

Complete measuring loop for SAC in the wastewater outlet

Extended selection

Predecessor

Success stories

Monitoring water quality in fish farms

TOCeq measurement in wastewater treatment

Pure high quality beer and clean wastewater

50% less precipitant - 100% reliability and cooperation

An automated system for pH measurements at AVR

Could also interest you

Liquiline: cutting-edge transmitter platform

Memosens 2.0: Cutting-edge sensor technology reloaded

Measuring principle

Characteristic

Size

Design

Process temperature

Ambient temperature

Specials

Application

Measuring range

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Product family: Viomax, Viomax

TI Viomax CAS51D

TI Viomax CAS51D

BA Viomax CAS51D

Operating Instructions - Compressed air cleaning unit - 115VAC

EA CAV01 kit, seal set

Sensors, transmitters, compact devices and assemblies

Kompetenz in der Flüssigkeitsanalyse

Analyseurs, capteurs in situ et préleveurs

Analizzatori, sensori in loco e campionatori

Sensoren, Messumformer, Kompaktgeräte and Armaturen

Analysatoren, In-Situ-Sensoren und Probenehmer

Sıvı analizinde uzmanlık

Expertise in liquid analysis

Catálogo Analizadores

Jistota v analýze kapalin

Esperti nell’analisi dei liquidi

Catálogo Portfolio Analítica

Analizzatori, sensori in loco e campionatori

Analyzers, in-situ sensors and samplers

Making sure your WWTP runs and runs and runs

Aus Freude an gutem Wasser

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Kit CAS51D flow cell O-ring set

Flow cell for CAS sensors CAV01

Flow cell CAS51D 2-40 mm

Cleaning head CAS51D 6 or 8mm

Cleaning head CAS51D 1/4"

Aeroclean connec. 6/ 8mm, 40mm CAS51D

Kit air cleaning 6.35mm; OPL= 2mm/10mm

Kit air cleaning 6mm; OPL= 2mm/10mm

Kit cleaning brush

Cleaning unit, 230 V

115 VAC 2 output compr.air cleaning unit

CAY342 standard solution, CA70NI/CAS51D

1-/2-channel transmitter Liquiline CM442

Input

Output / communication

Ingress protection

1-/2-channel transmitter Liquiline CM442R

Input

Output / communication

Ingress protection

Multichannel transmitterLiquiline CM44P

Ingress protection

Memosens sensor for optical measurement of nitrate, SAC, COD_eq, TOC_eq, BOD_eq or DOC_eq

1-/2-channel transmitter
Liquiline CM442

1-/2-channel transmitter
Liquiline CM442R

Multichannel transmitter
Liquiline CM44P