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Advancing UV nitrate sensors, the OTT ecoN combines field reliability with a user friendly, low operational cost, future ready platform. It uses optical UV absorption technology for the determination of nitrate concentrations in fresh surface and groundwater.

The calculation of nitrate from the filtered absorption spectrum includes compensations for turbidity and organic interferences. Nitrate measurements and sensor status information is available in real-time for integration into data acquisition systems. The anti-fouling wiper reduces maintenance requirements and extends deployment times for continuous monitoring locations. Smart optical technology

• Individual absorption channels deliver reliable data
• Separate reference signal provides greater accuracy
• Smart channel processing reduces drift and eliminates bias
• Turbidity and dissolved organic matter compensations for data quality
• Access with web browser
• No need to install software to access and manage instrument
• Minimizes IT security concerns
• Greater flexibility as different Operating Systems can be used
• Anti-fouling wiper
• Wiper removes bio-fouling even in harsh conditions
• Minimizes the likelihood of noisy data caused by debris
• Simple to exchange wiper blades without the use of tools
• Reduces the amount of maintenance and increases deployment length
• Nano coating on lens reduces biofouling and prolongs life
• Calibration verification
• Does not require annual factory calibrations reducing maintenance costs
• Use standard solutions to verify performance and provide traceability
• Verification of Zero baseline using ultrapure water
• Supports additional dissolved oxygen matter (DOM) compensation adjustment based on laboratory results
• Flexible sensor options
• Ability to use sensor for different site conditions
• Less restrictions in instrument selection and usage
• On-board logger supporting portable applications with external power supply