Key Specifications
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Measurement 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) -
Operating Temperature
5 to 50°C (41 to 120 °F)
Applications
The Viomax CAS51D is an intelligent sensor designed for autonomous operation across diverse water, wastewater, and utility process environments. It delivers continuous online measurements without chemical reagents, featuring a durable, low-maintenance self-cleaning mechanism. Available as a nitrate sensor or for SAC and multiple sum parameters, the CAS51D leverages Memosens digital technology for superior process reliability, data security, and user-friendly operation.
The Viomax CAS51D monitors nitrate, SAC, or various sum parameters in drinking water, process water, wastewater systems, and utility applications:
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Organic content or nitrate levels at inlet/outlet points
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Measurement of CODeq, TOCeq, BODeq, or DOCeq
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Process monitoring, control, and optimization in treatment systems
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Nitrate tracking in aeration basins and denitrification phases
Advantages
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Economical operation: Chemical-free design enhances safety, reduces environmental impact, and lowers operational costs.
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Rapid response: In-sensor data processing delivers instant, reliable process insights.
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Quick setup: Factory-precalibrated and preconfigured for immediate deployment.
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Automated operation: Smart self-cleaning functionality ensures maximum uptime with minimal intervention.
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Open basin compatibility: Flexible installation via Flexdip CYH112 holder and CYA112 mounting system.
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Pipeline integration: Multiple flow cell options for seamless system incorporation.



